| Count Connected Components in an Undirected Graph NewSoftware EngineerCoding | Medium | May 19, 2026 |
| Validate AI-Generated Code Safely NewSoftware EngineerCoding | Medium | May 11, 2026 |
| Design Human Avoidance for Warehouse Robots NewSoftware EngineerSystem Design | Medium | May 11, 2026 |
| Find Unique Target-Sum Pairs NewSoftware EngineerCoding | Easy | May 2, 2026 |
| Find Valid IP Addresses in Files Software EngineerCoding | Medium | Apr 28, 2026 |
| Implement Optimal Bucket Batching Machine Learning EngineerCoding | Hard | Apr 27, 2026 |
| Explain Core ML Interview Concepts Machine Learning Engineer | Hard | Apr 27, 2026 |
| Implement Cache and Rotate Matrix Software EngineerCoding | Medium | Apr 20, 2026 |
| Find Longest Activatable Server Streak Software EngineerCoding | Hard | Apr 15, 2026 |
| Fix the Password Reset Workflow Software EngineerCoding | Medium | Apr 14, 2026 |
| Build the Largest Available Sequence Software EngineerCoding | Medium | Apr 14, 2026 |
| Solve Two Array Optimization Problems Software EngineerCoding | Hard | Apr 10, 2026 |
| Solve Three Algorithm Variants Software EngineerCoding | Medium | Apr 10, 2026 |
| Design an In-Memory Pub-Sub Model Software EngineerCoding | Medium | Apr 10, 2026 |
| Solve Union-Find, Graph, and Stream Problems Software EngineerCoding | Medium | Apr 9, 2026 |
| Implement a Single-Node Priority Pub/Sub Software EngineerCoding | Medium | Apr 9, 2026 |
| Design a Ride-Hailing Matching System Software EngineerSystem Design | Medium | Apr 9, 2026 |
| Minimize time for two handlers Software EngineerCoding | Hard | Apr 7, 2026 |
| Calculate Circular Route Query Distance Software EngineerCoding | Medium | Apr 6, 2026 |
| Evaluate NLP Classification Models Data Scientist | Easy | Apr 3, 2026 |
| Build a BFS Web Crawler Software EngineerCoding | Medium | Mar 12, 2026 |
| Implement Cache and Count Components Software EngineerCoding | Medium | Mar 7, 2026 |
| Solve Two String Problems Data EngineerCoding | Easy | Feb 23, 2026 |
| Solve two string DP/hash problems Data ScientistCoding | Easy | Feb 13, 2026 |
| Maximize protected population and bitwise AND Software EngineerCoding | Hard | Feb 12, 2026 |
| Find max equal-frequency block count for each prefix Software EngineerCoding | Medium | Feb 12, 2026 |
| Explain overfitting, regularization, and LLM techniques Software Engineer | Medium | Feb 12, 2026 |
| Compute total revenue from greedy VM rentals Software EngineerCoding | Medium | Feb 12, 2026 |
| Answer two coding questions (SQL and DP) Software EngineerCoding | Medium | Feb 12, 2026 |
| Solve array duplicates and two-type subarray Software EngineerCoding | Easy | Feb 11, 2026 |
| Explain NLP/RL concepts used in LLM agents Machine Learning Engineer | Hard | Feb 9, 2026 |
| Design systems for global request detection and labeling Machine Learning EngineerSystem Design | Hard | Feb 9, 2026 |
| Merge two sorted arrays in-place Software EngineerCoding | Hard | Feb 8, 2026 |
| Serialize and deserialize a binary tree Software EngineerCoding | Hard | Jan 22, 2026 |
| Print all odd numbers from an integer list Software EngineerCoding | Easy | Jan 22, 2026 |
| Implement array and tree traversal tasks Software EngineerCoding | Hard | Jan 22, 2026 |
| Find when failures started in log stream Software EngineerCoding | Medium | Jan 22, 2026 |
| Explain owning and debugging infra modules Software EngineerBehavioral | Hard | Jan 22, 2026 |
| Explain inheritance, polymorphism, constructors, destructors Software EngineerCoding | Easy | Jan 22, 2026 |
| Explain Aurora-style internals: WAL, MVCC, replication, recovery Software EngineerCoding | Hard | Jan 22, 2026 |
| Design a replicated cloud storage service Software EngineerSystem Design | Hard | Jan 22, 2026 |
| Design a computer-use agent end-to-end Machine Learning EngineerSystem Design | Medium | Jan 22, 2026 |
| Design a cloud database write path and recovery Software EngineerSystem Design | Hard | Jan 22, 2026 |
| Describe a failure and what you learned Software EngineerBehavioral | Easy | Jan 22, 2026 |
| Choose lock granularity for concurrent storage Software EngineerCoding | Hard | Jan 22, 2026 |
| Build a responsive grid of fixed boxes Software EngineerCoding | Medium | Jan 22, 2026 |
| Answer Dive Deep and Ownership in LP interview Software EngineerBehavioral | Hard | Jan 22, 2026 |
| Review an existing architecture for risks Software EngineerSystem Design | Medium | Jan 6, 2026 |
| Measure platform success and drive adoption Software EngineerSystem Design | Medium | Jan 6, 2026 |
| Maximize capacity with primary-backup pairing Software EngineerCoding | Medium | Jan 6, 2026 |
| Handle cold start, dropout, and training stability Machine Learning Engineer | Medium | Jan 6, 2026 |
| Find minimum total range-increment to sort Software EngineerCoding | Medium | Jan 6, 2026 |
| Explain why CTR rises but CVR unchanged Machine Learning EngineerProduct Sense | Medium | Jan 6, 2026 |
| Design multi-tenant ingestion and processing platform Software EngineerSystem Design | Medium | Jan 6, 2026 |
| Design globally consistent metadata service Software EngineerSystem Design | Medium | Jan 6, 2026 |
| Design a weighted random value generator Software EngineerCoding | Medium | Jan 6, 2026 |
| Design a search relevance prediction approach Machine Learning Engineer | Medium | Jan 6, 2026 |
| Design a large-scale temperature sensor system Software EngineerSystem Design | Medium | Jan 6, 2026 |
| Debug online worse than offline model performance Machine Learning EngineerSystem Design | Medium | Jan 6, 2026 |
| Compute array products excluding self and top-k Machine Learning EngineerCoding | Medium | Jan 6, 2026 |
| Answer behavioral questions about delivery and influence Software EngineerBehavioral | Medium | Jan 6, 2026 |
| Answer Amazon-style leadership deep dives Software EngineerBehavioral | Medium | Jan 6, 2026 |
| Schedule vector ops on heterogeneous cores Software EngineerCoding | Medium | Jan 2, 2026 |
| Implement memcpy with misaligned addresses Software EngineerCoding | Medium | Jan 2, 2026 |
| Design a multi-size storage locker system Software EngineerSystem Design | Medium | Jan 2, 2026 |
| Validate a training courses catalog Software EngineerCoding | Medium | Jan 1, 2026 |
| Find top-k lottery winners by spending Software EngineerCoding | Medium | Jan 1, 2026 |
| Design a package installer with dependencies Software EngineerSystem Design | Medium | Jan 1, 2026 |
| Explain hash map internals and edge cases Software EngineerCoding | Medium | Dec 17, 2025 |
| Design streaming error-log counting with moving average Software EngineerSystem Design | Medium | Dec 17, 2025 |
| Design device telemetry pipeline for real-time and batch Software EngineerSystem Design | Medium | Dec 17, 2025 |
| Design a replicated key-value store with quorums Software EngineerSystem Design | Medium | Dec 17, 2025 |
| Describe a recent innovation you delivered Software EngineerBehavioral | Medium | Dec 17, 2025 |
| Debug distributed-system performance problems Software EngineerCoding | Medium | Dec 17, 2025 |
| Compute minimal operations and optimal server pairing Software EngineerCoding | Easy | Dec 17, 2025 |
| Test whether two user populations differ Machine Learning Engineer | Medium | Dec 15, 2025 |
| Implement SGD for linear regression and derive gradients Machine Learning Engineer | Medium | Dec 15, 2025 |
| Implement K-means and solve interval/frequency tasks Machine Learning EngineerCoding | Medium | Dec 15, 2025 |
| Find shortest transformation steps in a word graph Machine Learning EngineerCoding | Medium | Dec 15, 2025 |
| Explain ML evaluation, sequence models, and optimizers Machine Learning Engineer | Medium | Dec 15, 2025 |
| Explain core ML concepts and diagnostics Machine Learning Engineer | Medium | Dec 15, 2025 |
| How to evaluate adding video ads in a game Data ScientistProduct Sense | Easy | Dec 9, 2025 |
| Explain parallelism and collectives in training Machine Learning EngineerSystem Design | Medium | Dec 8, 2025 |
| Compare float types and design ablation Machine Learning Engineer | Medium | Dec 8, 2025 |
| Implement PyTorch training loop Machine Learning EngineerCoding | Medium | Dec 8, 2025 |
| List hyperparameter tuning methods Machine Learning Engineer | Easy | Dec 8, 2025 |
| Explain weight initialization methods and goals Machine Learning Engineer | Easy | Dec 8, 2025 |
| Explain vanishing gradients and activations Machine Learning Engineer | Easy | Dec 8, 2025 |
| Explain the bias–variance trade-off Machine Learning Engineer | Easy | Dec 8, 2025 |
| Describe overfitting and L1/L2 regularization Machine Learning Engineer | Easy | Dec 8, 2025 |
| Contrast CNNs and fully connected networks Machine Learning Engineer | Easy | Dec 8, 2025 |
| Compare decision trees and random forests Machine Learning Engineer | Easy | Dec 8, 2025 |
| Analyze attention complexity and improvements Machine Learning Engineer | Easy | Dec 8, 2025 |
| Find shortest path in a grid with obstacles Machine Learning EngineerCoding | Medium | Dec 8, 2025 |
| Design an S3-like object storage service Machine Learning EngineerSystem Design | Medium | Dec 8, 2025 |
| Implement integer division without using division Machine Learning EngineerCoding | Medium | Dec 8, 2025 |
| Explain Transformers and MoE in LLMs Machine Learning Engineer | Medium | Dec 8, 2025 |
| Design an LLM quality validation system Machine Learning EngineerSystem Design | Medium | Dec 8, 2025 |
| Compute peak parking lot occupancy intervals Software EngineerCoding | Medium | Dec 2, 2025 |
| How would you analyze and test a price increase? Data ScientistProduct Sense | Easy | Nov 20, 2025 |
| Find two numbers that sum to target Machine Learning EngineerCoding | Medium | Nov 20, 2025 |
| Find recommended friend pairs by shared listening Data Scientist | Easy | Nov 20, 2025 |
| Explain surprisal and its units Machine Learning Engineer | Medium | Nov 20, 2025 |
| Implement decoder-only GPT-style transformer Machine Learning EngineerCoding | Medium | Nov 18, 2025 |
| Design logo infringement detection system Machine Learning EngineerSystem Design | Medium | Nov 18, 2025 |
| Design LFU cache with distributed extension Machine Learning EngineerCoding | Medium | Nov 18, 2025 |
| Solve two set and graph problems Software EngineerCoding | Medium | Oct 31, 2025 |
| Design object model for an elevator system Software EngineerCoding | Medium | Oct 31, 2025 |
| Design a scalable image-based social network Software EngineerSystem Design | Medium | Oct 31, 2025 |
| Design a reusable web dialog component Software EngineerCoding | Medium | Oct 31, 2025 |
| Explain core components of reinforcement learning Machine Learning Engineer | Medium | Oct 26, 2025 |
| Check if adding edge creates cycle in digraph Machine Learning EngineerCoding | Medium | Oct 26, 2025 |
| Find all cells reachable by downhill flow Software EngineerCoding | Easy | Oct 18, 2025 |
| Describe a complex problem you solved Software EngineerBehavioral | Easy | Oct 18, 2025 |
| Compute and interpret quantile loss vs RMSE Data Scientist | Medium | Oct 13, 2025 |
| Design a robust traffic forecasting pipeline Data Scientist | Hard | Oct 13, 2025 |
| Handle scope creep and teammate conflict Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Profile and visualize an unfamiliar dataset Data ScientistProduct Sense | Medium | Oct 13, 2025 |
| Demonstrate invent-and-simplify and customer communication Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Find daily first-order merchants with SQL Data Scientist | Medium | Oct 13, 2025 |
| Compute CIs, power, and multiple testing Data Scientist | Medium | Oct 13, 2025 |
| Demonstrate Amazon LP with deep follow-ups Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Compare Tableau live vs extract and filters Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Explain random forests, bagging, and evaluation Data Scientist | Hard | Oct 13, 2025 |
| Analyze an A/B test over last 7 days Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Design student–course data models and SQL Data Scientist | Medium | Oct 13, 2025 |
| Solve two-sum variants at scale Data ScientistCoding | Medium | Oct 13, 2025 |
| Implement robust word counts and min/max Data Scientist | Medium | Oct 13, 2025 |
| Compute join counts and window ranks Data Scientist | Medium | Oct 13, 2025 |
| Prioritize a new warehouse proposal with data Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Implement a high-throughput web crawler safely Data ScientistCoding | Medium | Oct 13, 2025 |
| Diagnose and fix underperforming ML model Data Scientist | Hard | Oct 13, 2025 |
| Plan and analyze an A/B test Data Scientist | Hard | Oct 13, 2025 |
| Design idempotent daily loads with deduping Data Scientist | Medium | Oct 13, 2025 |
| Diagnose MySQL joins and GROUP BY/HAVING errors Data Scientist | Medium | Oct 13, 2025 |
| Drive stakeholder alignment under trade-offs Data ScientistBehavioral | Hard | Oct 13, 2025 |
| Quantify build-vs-buy training decision Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Generate primes up to n efficiently Data ScientistCoding | Medium | Oct 13, 2025 |
| Append country tables and rank salaries in USD Data Scientist | Medium | Oct 13, 2025 |
| Compute array modes with ties and no-mode rule Data ScientistCoding | Medium | Oct 13, 2025 |
| Optimize precision–recall under class imbalance Data Scientist | Medium | Oct 13, 2025 |
| Choose regularization norms and model formulations Data Scientist | Medium | Oct 13, 2025 |
| Compute p-values, CIs, and adjust multiples Data Scientist | Medium | Oct 13, 2025 |
| Decide standardization, sparse numerics, correlated features Data Scientist | Medium | Oct 13, 2025 |
| Demonstrate calculated risk and deep-dive leadership Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Analyze omitted-variable bias in regression Data Scientist | Medium | Oct 13, 2025 |
| Implement streaming k-way merge with constraints Data ScientistCoding | Medium | Oct 13, 2025 |
| Transform event logs with subscription windows in pandas Data Scientist | Medium | Oct 13, 2025 |
| Design and analyze pricing-page A/B test Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Design end-to-end regression for energy demand Data Scientist | Hard | Oct 13, 2025 |
| Demonstrate leadership under disagreement Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Demonstrate leadership under strict rules Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Write and explain gradient descent pseudocode Data Scientist | Medium | Oct 13, 2025 |
| Find top-spend categories per customer with ranking Data Scientist | Medium | Oct 13, 2025 |
| Design an end-to-end spam detection system Data Scientist | Hard | Oct 13, 2025 |
| Quantify improvement and compute required sample size Data Scientist | Hard | Oct 13, 2025 |
| Solve stock, BFS path, and merge intervals Data ScientistCoding | Medium | Oct 13, 2025 |
| Transform retail data with pandas groupby/merge/concat Data Scientist | Medium | Oct 13, 2025 |
| Explain complex tech to non-technical stakeholder Data ScientistBehavioral | Hard | Oct 13, 2025 |
| Verify subscriptions and analyze orders with SQL/Python Data Scientist | Medium | Oct 13, 2025 |
| Solve subset-count and kth-factor problems Data ScientistCoding | Hard | Oct 13, 2025 |
| Demonstrate problem-solving under resistance Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Root-cause an incident and drive consensus Data ScientistBehavioral | Hard | Oct 13, 2025 |
| Measure PMF for Alexa Shopping Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Compute daily work hours from in/out events Data Scientist | Medium | Oct 13, 2025 |
| Calculate cross-channel login user proportions Data Scientist | Medium | Oct 13, 2025 |
| Prove new allocation outperforms manual baseline Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Build a package-allocation model for couriers Data Scientist | Hard | Oct 13, 2025 |
| Design an operations dashboard with justifications Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Evaluate concession gift-card policy with DID Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Estimate live sports impact on subscriptions Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Demonstrate ownership and communication under pressure Data ScientistBehavioral | Hard | Oct 13, 2025 |
| Compare Random Forests vs Gradient Boosting rigorously Data Scientist | Hard | Oct 13, 2025 |
| Design SQL/Pandas aggregations on retail schema Data Scientist | Medium | Oct 13, 2025 |
| Validate DID and IV assumptions rigorously Data Scientist | Hard | Oct 13, 2025 |
| Apply Double ML with text-address features Data Scientist | Hard | Oct 13, 2025 |
| Build DID panel and compute effects in SQL Data Scientist | Medium | Oct 13, 2025 |
| Design causal study for reminder impact Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Describe missed deadline and scope expansion Data ScientistBehavioral | Hard | Oct 13, 2025 |
| Calculate A/B sample size, CI, decision rules Data Scientist | Medium | Oct 13, 2025 |
| Design fraud detection across channels with unknowns Data Scientist | Hard | Oct 13, 2025 |
| Process real-time enter/exit events and actives Data Scientist | Medium | Oct 13, 2025 |
| Implement list overlap and dense-ranked word frequencies Data ScientistCoding | Medium | Oct 13, 2025 |
| Demonstrate leadership in data-driven scenarios Data ScientistBehavioral | Hard | Oct 13, 2025 |
| Prove and apply statistical ML fundamentals Data Scientist | Hard | Oct 13, 2025 |
| Derive and compare core ML and RL methods Data Scientist | Hard | Oct 13, 2025 |
| Demonstrate leadership with quantifiable STAR stories Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Walk through an A/B test end-to-end Data ScientistProduct Sense | Easy | Oct 11, 2025 |
| Explain core ML concepts and metrics Data Scientist | Easy | Oct 11, 2025 |
| Describe a time you solved a complex problem Data ScientistBehavioral | Easy | Oct 11, 2025 |
| Answer core probability and inference questions Data Scientist | Easy | Oct 11, 2025 |
| Minimize operations to reduce price difference Software EngineerCoding | Hard | Oct 1, 2025 |
| Maximize total bandwidth of data channel pairs Software EngineerCoding | Hard | Oct 1, 2025 |
| Maximize memory capacity with primary-backup servers Software EngineerCoding | Hard | Oct 1, 2025 |
| Solve server updates and grid inconvenience minimization Software EngineerCoding | Medium | Sep 6, 2025 |
| Solve jumps and anagram-similarity problems Software EngineerCoding | Medium | Sep 6, 2025 |
| Search target in unknown-length sorted array Software EngineerCoding | Medium | Sep 6, 2025 |
| Optimize with a cache/hash map Software EngineerCoding | Medium | Sep 6, 2025 |
| Merge overlapping and adjacent ranges Software EngineerCoding | Medium | Sep 6, 2025 |
| Maximize credits with limited skips Software EngineerCoding | Medium | Sep 6, 2025 |
| Maximize credits with alternating dispatch and skips Software EngineerCoding | Medium | Sep 6, 2025 |
| Justify choosing JavaScript for interviews Software EngineerCoding | Medium | Sep 6, 2025 |
| Insert and merge an interval Software EngineerCoding | Medium | Sep 6, 2025 |
| Implement robust debounce and throttle in JavaScript Software EngineerCoding | Medium | Sep 6, 2025 |
| Implement DFS and tree algorithms Software EngineerCoding | Medium | Sep 6, 2025 |
| Implement binary search lower/upper bounds Machine Learning EngineerCoding | Medium | Sep 6, 2025 |
| Implement autocomplete with top-K suggestions Software EngineerCoding | Medium | Sep 6, 2025 |
| Implement a robust shell CLI Software EngineerCoding | Medium | Sep 6, 2025 |
| Handle overwhelming recruiter prep and expectations Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Find returning users from access logs Software Engineer | Medium | Sep 6, 2025 |
| Find minimum time for irrecoverable password Software EngineerCoding | Medium | Sep 6, 2025 |
| Find minimum days to deliver all orders Software EngineerCoding | Medium | Sep 6, 2025 |
| Find longest segment with endpoints > interior Software EngineerCoding | Medium | Sep 6, 2025 |
| Find longest common contiguous subarray Software EngineerCoding | Medium | Sep 6, 2025 |
| Find earliest time password becomes irrecoverable Software EngineerCoding | Medium | Sep 6, 2025 |
| Find all pairs summing to target in sorted array Software EngineerCoding | Medium | Sep 6, 2025 |
| Explain XGBoost Parallelism Strategies Machine Learning Engineer | Medium | Sep 6, 2025 |
| Explain work-simulation approach under ambiguity Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Explain Multi-Armed Bandit Principles Machine Learning EngineerProduct Sense | Hard | Sep 6, 2025 |
| Explain ML basics: imbalance, metrics, bias-variance Machine Learning Engineer | Hard | Sep 6, 2025 |
| Explain Logistic Regression Fundamentals Machine Learning Engineer | Hard | Sep 6, 2025 |
| Explain LLM architecture, tuning, evaluation Machine Learning Engineer | Medium | Sep 6, 2025 |
| Explain Layer Normalization in Transformers Machine Learning Engineer | Medium | Sep 6, 2025 |
| Explain Collaborative Filtering Approaches Machine Learning Engineer | Hard | Sep 6, 2025 |
| Explain a research project in depth Machine Learning EngineerBehavioral | Hard | Sep 6, 2025 |
| Discuss open-source contributions and impact Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Discuss key behavioral experiences Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Discuss deadlines, feedback, and deep dives Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Detect words formed by multiple dictionary parts Software EngineerCoding | Medium | Sep 6, 2025 |
| Detect cycles in lists and graphs Software EngineerCoding | Medium | Sep 6, 2025 |
| Detect cycle in a directed graph Software EngineerCoding | Medium | Sep 6, 2025 |
| Design secure multi-tier cloud infrastructure Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design ride-hailing pricing with fairness and pooling Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design real-time top-K products service Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design in-memory threshold switcher Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design faster delay-time computation Software EngineerCoding | Medium | Sep 6, 2025 |
| Design an extensible ticketing system Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design an e-commerce recommendation system Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design a scalable job scheduler Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design a risk management ticketing system Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design a ride-hailing pricing engine with fairness Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design a RAG system end to end Machine Learning EngineerSystem Design | Hard | Sep 6, 2025 |
| Design a Multimodal Neural Network Machine Learning EngineerSystem Design | Hard | Sep 6, 2025 |
| Design a memory usage switcher with thresholds Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design a log filtering and analytics service Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design a keyboard and mouse input system Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design a fixed-capacity circular queue Software EngineerCoding | Medium | Sep 6, 2025 |
| Design a configuration subscription service Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design a basic task management system Software EngineerSystem Design | Medium | Sep 6, 2025 |
| Describe times exceeding and missing expectations Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Describe a tough trade-off decision Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Describe a Decision with Incomplete Information Machine Learning EngineerBehavioral | Medium | Sep 6, 2025 |
| Demonstrate ownership and deliver results Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Demonstrate leadership principles with examples Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Demonstrate decision-making and collaboration behaviors Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Count regions with DFS Software EngineerCoding | Medium | Sep 6, 2025 |
| Compute unique visitors per department from clicks Software Engineer | Medium | Sep 6, 2025 |
| Compute tree diameter Software EngineerCoding | Medium | Sep 6, 2025 |
| Compute rightmost-smaller delay times Software EngineerCoding | Medium | Sep 6, 2025 |
| Compute grid shortest path with obstacles Software EngineerCoding | Medium | Sep 6, 2025 |
| Clarify internship availability and conversion Software EngineerBehavioral | Easy | Sep 6, 2025 |
| Check path in N-ary tree Software EngineerCoding | Medium | Sep 6, 2025 |
| Adapt to interviewer coding preferences Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Design an OOD restaurant management system Software EngineerCoding | Medium | Sep 5, 2025 |
| Design a GitHub-like user community Software EngineerSystem Design | Medium | Sep 5, 2025 |
| Find shortest subarray to restore order Software EngineerCoding | Medium | Aug 14, 2025 |
| Describe challenges, mistakes, timeline management, communication Software EngineerBehavioral | Medium | Aug 14, 2025 |
| Maximize points with limited coworker skips Software EngineerCoding | Medium | Aug 13, 2025 |
| Maximize equal values via one subarray shift Software EngineerCoding | Medium | Aug 13, 2025 |
| Implement tree left/right views via BFS and DFS Software EngineerCoding | Medium | Aug 13, 2025 |
| Design a file search module like UNIX find Software EngineerSystem Design | Hard | Aug 13, 2025 |
| Describe handling deadlines, conflicts, feedback, and ownership Software EngineerBehavioral | Medium | Aug 13, 2025 |
| Compute product excluding index without division Software EngineerCoding | Medium | Aug 13, 2025 |
| Solve three coding tasks: binary search, tree path, subarray Software EngineerCoding | Medium | Aug 10, 2025 |
| Select maximum tasks before deadlines Software EngineerCoding | Medium | Aug 10, 2025 |
| Place items into earliest fitting bins Software EngineerCoding | Medium | Aug 10, 2025 |
| Optimize with caching or hash maps Software EngineerCoding | Medium | Aug 10, 2025 |
| Maximize stock profit with constraints Software EngineerCoding | Medium | Aug 10, 2025 |
| Manipulate time-series with Pandas groupby Software Engineer | Medium | Aug 10, 2025 |
| Implement a formatted shell script output Software EngineerCoding | Medium | Aug 10, 2025 |
| Find LCA in a BST Software EngineerCoding | Medium | Aug 10, 2025 |
| Design VPC, IP plan, management, storage, SSO Software EngineerSystem Design | Hard | Aug 10, 2025 |
| Design an email spam detection system Software EngineerSystem Design | Hard | Aug 10, 2025 |
| Design a job scheduler service Software EngineerSystem Design | Hard | Aug 10, 2025 |
| Design a hierarchical locking tree Software EngineerCoding | Medium | Aug 10, 2025 |
| Design a fraud detection system Software EngineerSystem Design | Hard | Aug 10, 2025 |
| Compute shortest path with obstacles Software EngineerCoding | Medium | Aug 10, 2025 |
| Validate 9x9 grid in one pass Software EngineerCoding | Medium | Aug 9, 2025 |
| Implement LRU cache with O(1) ops Software EngineerCoding | Medium | Aug 9, 2025 |
| Find odd-frequency element with O(1) space Software EngineerCoding | Medium | Aug 9, 2025 |
| Describe projects and handle challenges Software EngineerBehavioral | Medium | Aug 9, 2025 |
| Determine string segmentability with dictionary Software EngineerCoding | Medium | Aug 8, 2025 |
| Design feedback and feature rollout platform Software EngineerSystem Design | Hard | Aug 8, 2025 |
| Design a distributed job scheduler Software EngineerSystem Design | Hard | Aug 8, 2025 |
| Count expressions reaching a target sum Software EngineerCoding | Medium | Aug 8, 2025 |
| Share examples of impact and simplicity Software EngineerBehavioral | Medium | Aug 7, 2025 |
| Implement two array-cost minimization algorithms Software EngineerCoding | Medium | Aug 7, 2025 |
| Design LCA with flexible inputs and rule Software EngineerCoding | Medium | Aug 7, 2025 |
| Design delayed job scheduler (LLD) Software EngineerSystem Design | Hard | Aug 7, 2025 |
| Design a streaming median structure Software EngineerCoding | Medium | Aug 7, 2025 |
| Design a cloud storage service Software EngineerSystem Design | Hard | Aug 7, 2025 |
| Compute optimal locker placement with obstacles Software EngineerCoding | Medium | Aug 7, 2025 |
| Assess cooldown and plan interview strategy Software EngineerBehavioral | Medium | Aug 7, 2025 |
| Answer Amazon Leadership Principles questions Software EngineerBehavioral | Medium | Aug 7, 2025 |
| Solve sliding-window and heap problems Software EngineerCoding | Medium | Aug 4, 2025 |
| Handle deadlines and feedback Software EngineerBehavioral | Medium | Aug 4, 2025 |
| Find longest segment with dominant ends Software EngineerCoding | Medium | Aug 4, 2025 |
| Explain key ML theory and techniques Machine Learning Engineer | Hard | Aug 4, 2025 |
| Determine reachability and optimize task scheduling Software EngineerCoding | Medium | Aug 4, 2025 |
| Design Thread-Safe Tagging and Bookstore Systems Software EngineerSystem Design | Hard | Aug 4, 2025 |
| Design ad clickstream analytics system Software EngineerSystem Design | Hard | Aug 4, 2025 |
| Demonstrate Amazon leadership principles Software EngineerBehavioral | Medium | Aug 4, 2025 |
| Count partitions and equal-cost packages Software EngineerCoding | Medium | Aug 4, 2025 |
| Compute minimum delivery days Software EngineerCoding | Medium | Aug 4, 2025 |
| Compute delay times in priority array Software EngineerCoding | Medium | Aug 4, 2025 |
| Understand SQL: DELETE vs TRUNCATE, VIEW vs TABLE, CROSS JOIN Data Scientist | Medium | Aug 4, 2025 |
| Transform Customer Feedback into Valuable Product Enhancements Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Solve Search Insert Position Using Binary Search Data ScientistCoding | Medium | Aug 4, 2025 |
| Solve Algorithmic Challenges in Online Coding Assessments Data ScientistCoding | Medium | Aug 4, 2025 |
| Select Top Customers Using Transaction Data Filters Data Scientist | Medium | Aug 4, 2025 |
| Retrieve First Active and Last Inactive Dates per User Data Scientist | Medium | Aug 4, 2025 |
| Resolve Team Conflicts and Deliver Beyond Project Scope Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Resolve Conflicts Between Data Findings and Team Opinions Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Prioritize Tasks and Respond to Coworker Concerns Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Overcome Challenges to Deliver Impactful Results Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Optimize XGBoost for Predicting Marketing Outcomes Data Scientist | Medium | Aug 4, 2025 |
| Navigate Crises and Sustain Team Morale Under Pressure Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Mitigate Data Mistakes and Improve Team Efficiency Data ScientistBehavioral | Medium | Aug 4, 2025 |
| List Top Customers and Monthly Order Counts in SQL Data Scientist | Medium | Aug 4, 2025 |
| Implement Reservoir Sampling; Analyze Time and Space Complexity Data ScientistCoding | Medium | Aug 4, 2025 |
| Implement Python Function for Longest Unique Substring Length Data ScientistCoding | Medium | Aug 4, 2025 |
| Implement BFS to Find Shortest Path in Graph Data ScientistCoding | Medium | Aug 4, 2025 |
| Implement and Analyze 'Merge k Sorted Lists' Algorithm Data ScientistCoding | Medium | Aug 4, 2025 |
| Identify P-Value Limitations and Complementary Approaches Data Scientist | Medium | Aug 4, 2025 |
| Identify Number Pairs Adding to Target in Array Data ScientistCoding | Medium | Aug 4, 2025 |
| Identify Key Metrics for Monitoring Shipment Defects Data Scientist | Medium | Aug 4, 2025 |
| Identify Issues and Redesign Customer-Conversion Chart Data ScientistProduct Sense | Medium | Aug 4, 2025 |
| Identify Causes and Validate Web Product Performance Drop Data ScientistProduct Sense | Medium | Aug 4, 2025 |
| Generate Synthetic Clickstream Data with Python Function Data ScientistCoding | Medium | Aug 4, 2025 |
| Find Top-3 Salaries Per Department Using SQL Data Scientist | Medium | Aug 4, 2025 |
| Facilitate Effective Collaboration in Tech Data-Science Teams Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Explain Statistical Outputs to Non-Technical Stakeholders Data Scientist | Medium | Aug 4, 2025 |
| Explain Resolving a Complex Technical Challenge Successfully Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Explain Propensity Score Matching and Assess Covariate Balance Data Scientist | Medium | Aug 4, 2025 |
| Explain Overfitting and Underfitting in Machine Learning Data Scientist | Medium | Aug 4, 2025 |
| Explain MySQL to MS SQL Server query syntax differences. Data Scientist | Medium | Aug 4, 2025 |
| Explain K-Fold Cross-Validation and Its Trade-Offs Data Scientist | Medium | Aug 4, 2025 |
| Explain Decision-Tree Training and Clustering Algorithms Data Scientist | Medium | Aug 4, 2025 |
| Explain Central Limit Theorem and Its Limitations Data Scientist | Medium | Aug 4, 2025 |
| Evaluate RAG System Accuracy and Cost Control Strategies Data Scientist | Hard | Aug 4, 2025 |
| Evaluate Ensemble Models for Bias-Variance, Speed, and Interpretability Data Scientist | Hard | Aug 4, 2025 |
| Estimate Treatment Effects Using PSM, DiD, and DML Methods Data Scientist | Hard | Aug 4, 2025 |
| Ensure Data Quality and Deliver Impact Amid Challenges Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Ensure Correct Numeric Ordering in Visit ID Comparison Data Scientist | Medium | Aug 4, 2025 |
| Diagnose Business Decline Using Key Data Metrics Data ScientistProduct Sense | Medium | Aug 4, 2025 |
| Diagnose Bias–Variance Trade-off in Supervised Learning Data Scientist | Medium | Aug 4, 2025 |
| Determine Maximum Path Length in Directed Acyclic Graph Data ScientistCoding | Medium | Aug 4, 2025 |
| Determine Length of Longest Unique Substring Data ScientistCoding | Medium | Aug 4, 2025 |
| Determine Discount's Effect on Conversion Rate with A/B Testing Data ScientistProduct Sense | Medium | Aug 4, 2025 |
| Design Efficient Data Structure for Median Retrieval Data ScientistCoding | Medium | Aug 4, 2025 |
| Design an ML Model for Interview Recommendation Pipeline Data Scientist | Hard | Aug 4, 2025 |
| Design an Automated Home-Price Valuation Model Data Scientist | Medium | Aug 4, 2025 |
| Design a Scalable, Fault-Tolerant Distributed Order System Data ScientistCoding | Medium | Aug 4, 2025 |
| Design a Machine Learning Recommendation System Pipeline Data Scientist | Hard | Aug 4, 2025 |
| Design a Churn Model: Handle Missing Data and Justify Data Scientist | Medium | Aug 4, 2025 |
| Design A/B Test for New Amazon Recommendation Module Data ScientistProduct Sense | Hard | Aug 4, 2025 |
| Describe Your Professional Journey and Leadership Experiences Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Describe Your Most Challenging Project and Its Outcome Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Describe Solving Complex Project Challenges in Detail Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Describe Managing an End-to-End Project for Scalability Data ScientistBehavioral | Hard | Aug 4, 2025 |
| Derive Key Business Metrics Using SQL or Python Data Scientist | Medium | Aug 4, 2025 |
| Demonstrate Leadership in Challenging Situations and Decision-Making Data ScientistBehavioral | Hard | Aug 4, 2025 |
| Deliver a Data Solution Under Tight Deadlines Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Create SQL Queries for Sales and Customer Analysis Data Scientist | Medium | Aug 4, 2025 |
| Create Country-Level Spend Report Using Pandas Data Scientist | Medium | Aug 4, 2025 |
| Coordinate Resources and Resolve Conflicts for Project Success Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Compute 3-Day Rolling Revenue Averages with Pandas Data Scientist | Medium | Aug 4, 2025 |
| Compare RNNs and Transformers for Long-Sequence Text Classification Data Scientist | Medium | Aug 4, 2025 |
| Choose Models for Imbalanced Data and Time-Series Forecasting Data Scientist | Hard | Aug 4, 2025 |
| Choose Between JOIN, BLEND, and RELATIONSHIP in Tableau Data ScientistProduct Sense | Medium | Aug 4, 2025 |
| Choose Between Fine-Tuning and RAG for Client Chatbot Data Scientist | Hard | Aug 4, 2025 |
| Calculate Weekly, Monthly Hours Watched by Premium Users Data Scientist | Medium | Aug 4, 2025 |
| Calculate Probability of Both Children Being Boys Data Scientist | Medium | Aug 4, 2025 |
| Calculate Monthly Revenue from Orders in 2023 Data Scientist | Medium | Aug 4, 2025 |
| Calculate Defect Rate and Identify Top Lanes for Carriers Data Scientist | Medium | Aug 4, 2025 |
| Assess Leadership Through Disagreement, Failure, and Risk Examples Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Assess Amazon Leadership Principles in Behavioral Interviews Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Answer Behavioral Questions for Amazon Leadership Principles Interview Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Analyze User Engagement with SQL Queries Data Scientist | Medium | Aug 4, 2025 |
| Analyze Top 10 Items' Revenue Contribution by Category Data Scientist | Medium | Aug 4, 2025 |
| Analyze Monthly Prime vs Non-Prime Sales and Price Buckets Data Scientist | Medium | Aug 4, 2025 |
| Solve string partition and equal-sum package problems Software EngineerCoding | Medium | Aug 1, 2025 |
| Respond to negative feedback and exceed requirements Software EngineerBehavioral | Medium | Jul 31, 2025 |
| Find substring from dictionary concatenation Software EngineerCoding | Medium | Jul 31, 2025 |
| Explain key ML concepts and techniques Machine Learning Engineer | Hard | Jul 31, 2025 |
| Design rolling-window top-K click tracker Software EngineerCoding | Medium | Jul 31, 2025 |
| Design log filtering and histogram service Software EngineerSystem Design | Hard | Jul 31, 2025 |
| Design keyboard and mouse input tracker Software EngineerSystem Design | Hard | Jul 31, 2025 |
| Design document-tag classes with concurrency safety Software EngineerSystem Design | Hard | Jul 31, 2025 |
| Design an online bookstore for browse and purchase Software EngineerSystem Design | Hard | Jul 31, 2025 |
| Design ad clickstream analytics pipeline Software EngineerSystem Design | Hard | Jul 31, 2025 |
| Describe tight and missed deadlines Software EngineerBehavioral | Medium | Jul 31, 2025 |
| Describe diving deep into a problem Software EngineerBehavioral | Medium | Jul 31, 2025 |
| Describe a decision with incomplete information Machine Learning EngineerBehavioral | Medium | Jul 31, 2025 |
| Demonstrate leadership with STAR examples Software EngineerBehavioral | Medium | Jul 31, 2025 |
| Decide reachability with buses and limited walking Software EngineerCoding | Medium | Jul 31, 2025 |
| Compute fruit spoilage time in a grid Software EngineerCoding | Medium | Jul 31, 2025 |
| Solve LeetCode string and list problems Software EngineerCoding | Medium | Jul 29, 2025 |
| Solve array and list algorithms Software EngineerCoding | Medium | Jul 29, 2025 |
| Reflect on criticism and deadlines Software EngineerBehavioral | Medium | Jul 29, 2025 |
| Minimize cost & recommend movies Software EngineerCoding | Medium | Jul 29, 2025 |
| Implement basic calculator Software EngineerCoding | Medium | Jul 29, 2025 |
| Find most frequent log user Software EngineerCoding | Medium | Jul 29, 2025 |
| Find largest island area Software EngineerCoding | Medium | Jul 29, 2025 |
| Explain ML statistics and model design concepts Machine Learning EngineerSystem Design | Hard | Jul 29, 2025 |
| Evaluate actions in Amazon simulation Software EngineerBehavioral | Hard | Jul 29, 2025 |
| Discuss deadline, challenge, feature Software EngineerBehavioral | Medium | Jul 29, 2025 |
| Determine Rounds for Star Substring Threshold Software EngineerCoding | Medium | Jul 29, 2025 |
| Compute minimum passes to collect numbers Software EngineerCoding | Medium | Jul 29, 2025 |
| Compute minimum passes over permutation Software EngineerCoding | Medium | Jul 29, 2025 |
| Compute maximum distinct-product pickup days Software EngineerCoding | Medium | Jul 29, 2025 |
| Answer core behavioral questions for data roles Data ScientistBehavioral | Medium | Jul 29, 2025 |
| Solve frequency sort and all-pairs sum Software EngineerCoding | Medium | Jul 27, 2025 |
| Solve median extremes and segment flips Software EngineerCoding | Medium | Jul 26, 2025 |
| Search target in unknown-length sorted array Software EngineerCoding | Medium | Jul 26, 2025 |
| Design real-time top-k items Software EngineerSystem Design | Hard | Jul 26, 2025 |
| Describe deadline pressure, challenges, and decision changes Software EngineerBehavioral | Medium | Jul 26, 2025 |
| Compute unique visitors by department Software Engineer | Medium | Jul 26, 2025 |
| Implement inventory allocation with backorders Machine Learning EngineerCoding | Medium | Jul 17, 2025 |
| Explain LLM fundamentals and trade-offs Machine Learning Engineer | Hard | Jul 17, 2025 |
| Explain core ML fundamentals Machine Learning Engineer | Medium | Jul 17, 2025 |
| Describe a high-stakes project you owned Machine Learning EngineerBehavioral | Medium | Jul 17, 2025 |
| Deep-dive your GenAI project architecture Machine Learning EngineerSystem Design | Hard | Jul 17, 2025 |
| Build an end-to-end ML pipeline Machine Learning EngineerSystem Design | Hard | Jul 17, 2025 |
| Answer senior-level behavioral questions Machine Learning EngineerBehavioral | Medium | Jul 17, 2025 |
| Solve interval deletion and GCD subarray problems Software EngineerCoding | Medium | Jul 16, 2025 |
| Implement ad matching and delivery routing Software EngineerCoding | Medium | Jul 16, 2025 |
| Explain deadlines, going beyond, and persuasion Software EngineerBehavioral | Medium | Jul 16, 2025 |
| Design a scalable parking lot system Software EngineerSystem Design | Hard | Jul 16, 2025 |
| Describe achievements, ambiguity, conflict, efficiency, challenges Software EngineerBehavioral | Medium | Jul 16, 2025 |
| Optimize attention for long sequences Software EngineerSystem Design | Hard | Jul 15, 2025 |
| Merge overlapping intervals Software EngineerCoding | Medium | Jul 15, 2025 |
| Handle deadlines and misses Software EngineerBehavioral | Medium | Jul 15, 2025 |
| Find first unique character Software EngineerCoding | Medium | Jul 15, 2025 |
| Explain core ML fundamentals Software Engineer | Medium | Jul 15, 2025 |
| Explain attention and Transformers Software Engineer | Hard | Jul 15, 2025 |
| Design async job orchestration and notification service Machine Learning EngineerSystem Design | Hard | Jul 15, 2025 |
| Design 2D DP on a DAG Software EngineerCoding | Medium | Jul 15, 2025 |
| Demonstrate Leadership Principles in Projects Software EngineerBehavioral | Medium | Jul 15, 2025 |
| Demonstrate Bias for Action Software EngineerBehavioral | Medium | Jul 15, 2025 |
| Deep dive a resume project Software EngineerSystem Design | Hard | Jul 15, 2025 |
| Brainstorm a business problem approach Software EngineerProduct Sense | Medium | Jul 15, 2025 |
| Optimize Predictive Analytics: Feature Engineering to Model Evaluation Data Scientist | Medium | Jul 12, 2025 |
| Optimize Feature Selection and Handling in Machine Learning Models Data Scientist | Medium | Jul 12, 2025 |
| Optimize Email Strategy for New Prime Video Series Launch Data Scientist | Medium | Jul 12, 2025 |
| Implement Function to Determine Mode and Prime Numbers Data ScientistCoding | Medium | Jul 12, 2025 |
| Implement Batch Gradient Descent for Linear Regression Data Scientist | Easy | Jul 12, 2025 |
| Illustrate SQL Join Results with Duplicate Keys Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Identify Unique Unordered City Pairs in Flight Log Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Identify Top Spenders and Segment Customers Using Python Data Scientist | Medium | Jul 12, 2025 |
| Identify Top-Buying Customers Daily with SQL Query Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Identify SQL Joins and Correct Query Errors Data Scientist | Medium | Jul 12, 2025 |
| Identify Most Popular First-Watched Movie in Viewing History Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Identify Frequent Actor-Director Collaborations in Film Database Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Identify First Daily Order for Each Merchant Data Scientist | Medium | Jul 12, 2025 |
| Identify Employees with Invalid Department References Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Identify Date with Highest Total kWh Consumption Using Pandas Data Scientist | Medium | Jul 12, 2025 |
| Identify Customers Purchasing Every Product in Catalog Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Handle Missing Values and Choose ML Algorithms Wisely Data Scientist | Medium | Jul 12, 2025 |
| Find Top Three Books by City in Recent Months Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Explore Subscription Patterns and Status Transitions with SQL/Pandas Data Scientist | Medium | Jul 12, 2025 |
| Explore Dataset to Assess Quality and Choose Visualizations Data ScientistProduct Sense | Medium | Jul 12, 2025 |
| Explain P-value, Confidence Interval, and Multiple Testing Adjustments Data Scientist | Medium | Jul 12, 2025 |
| Evaluate Soft Skills Through Behavioral Interview Questions Data ScientistBehavioral | Medium | Jul 12, 2025 |
| Evaluate Cost, Time, Security, Flexibility for Training Options Data ScientistBehavioral | Medium | Jul 12, 2025 |
| Diagnose Causes and Test Hypotheses for Metric Drop Data ScientistProduct Sense | Medium | Jul 12, 2025 |
| Determine Probability of Both Children Being Boys Data Scientist | Medium | Jul 12, 2025 |
| Design Incremental Load Process for Large Relational Table Data Scientist | Medium | Jul 12, 2025 |
| Design an A/B Test for Dashboard Engagement Impact Data ScientistProduct Sense | Medium | Jul 12, 2025 |
| Describe Overcoming Obstacles and Taking Calculated Risks Data ScientistBehavioral | Medium | Jul 12, 2025 |
| Demonstrate Leadership and Ownership in Energy Analytics Role Data ScientistBehavioral | Medium | Jul 12, 2025 |
| Demonstrate Initiative Beyond Job Responsibilities Data ScientistBehavioral | Medium | Jul 12, 2025 |
| Create Monthly Revenue Report for Each Department Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Count Customers Buying Both 'Kindle' and 'Alexa' Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Consolidate and Rank Global Salaries in USD Data Scientist | Medium | Jul 12, 2025 |
| Compute First Order Proportions by Day and Category Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Compare Regularization Techniques and Their Use Cases Data Scientist | Medium | Jul 12, 2025 |
| Choose Effective Graphs for Data Exploration Data ScientistProduct Sense | Medium | Jul 12, 2025 |
| Calculate Weekly, Monthly Watch Hours for Paid Users Data Scientist | Medium | Jul 12, 2025 |
| Calculate Weekly Event Sums from Daily Counts Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Calculate Rolling 7-Day Sum of Answers by Device Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Calculate Regional Revenue and Identify Top Customers Data Scientist | Medium | Jul 12, 2025 |
| Calculate 7-Day Rolling Average for Energy Consumption Data ScientistCoding | Medium | Jul 12, 2025 |
| Build Accurate Energy Consumption Prediction Model for Utilities Data Scientist | Hard | Jul 12, 2025 |
| Assess Culture Fit Through Behavioral Interview Questions Data ScientistBehavioral | Medium | Jul 12, 2025 |
| Assess Candidate's Alignment with Amazon Leadership Principles Data ScientistBehavioral | Medium | Jul 12, 2025 |
| Analyze Top Book Sales and Unique Customer Purchases Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Analyze Seller Compliance and Customer Purchase Patterns Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Identify Top-Buying Customers Daily with SQL Query Business Intelligence Engineer | Medium | Jul 12, 2025 |
| Amazon PM Behavioral & Leadership Deep-Dive Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Amazon Leadership Principles – Behavioral Deep Dive Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Launching Alexa in a New-Language Market Product ManagerProduct Sense | Hard | Jul 4, 2025 |
| Alexa Domain-Knowledge Data Pipelines Product ManagerProduct Sense | Hard | Jul 4, 2025 |
| Product Design Case Mix Product ManagerProduct Sense | Hard | Jul 4, 2025 |
| Behavioral Deep-Dive & Leadership Scenarios Product ManagerBehavioralProduct Sense | Hard | Jul 4, 2025 |
| Communicating Top-Down Change Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Kindle Launch: Date vs. Scope Trade-Off Product ManagerProduct Sense | Hard | Jul 4, 2025 |
| Recovering a Lost Deliverable Product ManagerProduct Sense | Medium | Jul 4, 2025 |
| Late but Critical Colleague Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Behavioral Deep-Dive Scenarios Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Amazon New-Service Launch Cases Product ManagerProduct Sense | Hard | Jul 4, 2025 |
| Amazon Behavioral & Leadership Scenarios Product ManagerProduct Sense | Medium | Jul 4, 2025 |
| Amazon Fit, Motivation & Leadership Principles Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Hotel Keycard System Design Product ManagerProduct Sense | Medium | Jul 4, 2025 |
| Launching New Amazon Services Product ManagerProduct Sense | Medium | Jul 4, 2025 |
| Behavioral Problem-Solving Scenarios Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Cloud Connection Issue Triage Product ManagerProduct Sense | Medium | Jul 4, 2025 |
| Amazon Leadership Principles Behavioral Deep-Dive Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Amazon Fit & Leadership Principles Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Behavioral Deep-Dive Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Behavioral: Ambiguity & Conflict Resolution Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Delivery Driver Performance Evaluation Framework Product ManagerProduct Sense | Hard | Jul 4, 2025 |
| Amazon Behavioral Deep-Dive Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Amazon Leadership Principles Behavioral Deep-Dive Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Amazon Leadership Principles Behavioral Scenarios Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Innovation, Root Cause, and Deadline Management Stories Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| The Most Comprehensive Amazon PM Questions Product ManagerBehavioralProduct Sense | Hard | Jul 4, 2025 |
| Reflect on self, goals, learning, competitions Software EngineerBehavioral | Medium | May 28, 2025 |
| Explain deep learning and transformer concepts Software Engineer | Medium | May 28, 2025 |
| Design pickup point planning for ride-hailing Software EngineerSystem Design | Medium | May 28, 2025 |
| Describe Linux and SQL experience Software EngineerCoding | Medium | May 28, 2025 |