| Parse a nested list from a string Software EngineerCoding | Medium | Mar 1, 2026 |
| Solve two grid problems (islands + min-cost path) Software EngineerCoding | Medium | Jan 22, 2026 |
| Solve three string/stack/backtracking problems Software EngineerCoding | Hard | Jan 22, 2026 |
| Implement local maxima, bagging, and k-means Machine Learning EngineerCoding | Hard | Jan 22, 2026 |
| Implement AUC-ROC, softmax, and logistic regression Software Engineer | Medium | Jan 22, 2026 |
| Find longest common subsequence length Software EngineerCoding | Medium | Jan 22, 2026 |
| Find length of longest common subsequence Machine Learning EngineerCoding | Medium | Jan 22, 2026 |
| Find k-th smallest subarray sum Software EngineerCoding | Hard | Jan 22, 2026 |
| Explain how Kafka works Software EngineerCoding | Medium | Jan 22, 2026 |
| Explain FlashAttention, KV cache, and RoPE Machine Learning Engineer | Medium | Jan 22, 2026 |
| Design training for multimodal embedding model Machine Learning EngineerSystem Design | Medium | Jan 22, 2026 |
| Design a distributed key-value store Software EngineerSystem Design | Medium | Jan 22, 2026 |
| Design a content moderation system Software EngineerSystem Design | Medium | Jan 22, 2026 |
| Compute minimum path sum in a triangle Machine Learning EngineerCoding | Medium | Jan 22, 2026 |
| Answer ML fundamentals and diagnostics questions Machine Learning Engineer | Hard | Jan 22, 2026 |
| Find a valid course order from prerequisites Software EngineerCoding | Medium | Jan 20, 2026 |
| Describe a project you are proud of Software EngineerBehavioral | Medium | Jan 18, 2026 |
| Count distinct island shapes in a grid Software EngineerCoding | Medium | Jan 18, 2026 |
| Maximize watched duration under consecutive-sum limit Data ScientistCoding | Easy | Jan 17, 2026 |
| Reconstruct a binary tree from traversals Software EngineerCoding | Medium | Jan 11, 2026 |
| Explain RL policy types and modern policy gradients Software Engineer | Medium | Jan 11, 2026 |
| Find longest substring with ≥k repeats Software EngineerCoding | Hard | Jan 9, 2026 |
| What skills are needed for AI infra roles? Software EngineerSystem Design | Hard | Jan 6, 2026 |
| Verify business accounts with progressive KYC rules Software EngineerCoding | Medium | Jan 6, 2026 |
| Validate CSV rows under multiple verification rules Software EngineerCoding | Medium | Jan 6, 2026 |
| Solve linked list, string filtering, and puzzle Software EngineerCoding | Medium | Jan 6, 2026 |
| Solve grid shortest-path and tree DP Software EngineerCoding | Hard | Jan 6, 2026 |
| Resolve user roles across account hierarchy Software EngineerCoding | Medium | Jan 6, 2026 |
| Minimize total factory cost with distance penalties Software EngineerCoding | Medium | Jan 6, 2026 |
| Match payments to invoices with fallback rules Software EngineerCoding | Medium | Jan 6, 2026 |
| Introduce yourself and explain your project Software EngineerBehavioral | Medium | Jan 6, 2026 |
| Find linked user records by weighted similarity Software EngineerCoding | Medium | Jan 6, 2026 |
| Compute balances, rejections, and platform reserve Software EngineerCoding | Medium | Jan 6, 2026 |
| Calculate transaction fees from CSV records Software EngineerCoding | Medium | Jan 6, 2026 |
| Answer core Python, CS, DB, and testing questions Software EngineerCoding | Medium | Jan 6, 2026 |
| Solve three classic coding problems Software EngineerCoding | Easy | Dec 24, 2025 |
| Implement an LRU cache Software EngineerCoding | Easy | Dec 15, 2025 |
| Explain your VLM project end-to-end Machine Learning Engineer | Medium | Dec 15, 2025 |
| Explain Transformer, GPT vs BERT, and PR metrics Machine Learning EngineerCoding | Medium | Dec 15, 2025 |
| Determine if a string can be segmented Machine Learning EngineerCoding | Medium | Dec 15, 2025 |
| Reverse nodes in even-length linked-list groups Software EngineerCoding | Medium | Dec 11, 2025 |
| Explain C++ containers, segfaults, and virtual dispatch Software EngineerCoding | Medium | Dec 10, 2025 |
| Compute length of longest increasing subsequence Software EngineerCoding | Medium | Dec 10, 2025 |
| Generate all safe queen placements on board Machine Learning EngineerCoding | Hard | Dec 8, 2025 |
| Define QKV for recommender cross-attention Machine Learning Engineer | Hard | Dec 8, 2025 |
| Solve pair-counting and account-merging problems Software EngineerCoding | Medium | Dec 8, 2025 |
| Find kth smallest in sorted 2D matrix Software EngineerCoding | Medium | Dec 8, 2025 |
| Explain DPO and construct its training data Software Engineer | Medium | Dec 8, 2025 |
| Design system to detect privacy-leak records Software EngineerSystem Design | Medium | Dec 8, 2025 |
| Describe career plan and teamwork approach Software EngineerBehavioral | Medium | Dec 8, 2025 |
| Write monthly customer and sales SQL queries Data Scientist | Easy | Nov 27, 2025 |
| Plan DS approach for biker delivery project Data ScientistProduct Sense | Easy | Nov 27, 2025 |
| Explain Java ConcurrentHashMap and queues Software EngineerCoding | Medium | Nov 16, 2025 |
| Compute maximum path sum in binary tree Software EngineerCoding | Medium | Nov 16, 2025 |
| When prioritize precision vs recall Data Scientist | Easy | Nov 15, 2025 |
| Define and critique a user activity metric Data ScientistProduct Sense | Easy | Nov 15, 2025 |
| Design low-latency large-scale hotel booking system Software EngineerSystem Design | Medium | Nov 12, 2025 |
| How do you choose a classification threshold? Data Scientist | Easy | Nov 8, 2025 |
| Find top-paid employee per department Data Scientist | Easy | Nov 8, 2025 |
| Explain Type I/II errors vs precision/recall Data Scientist | Easy | Nov 8, 2025 |
| Design and decompose Trust & Safety risk metrics Data ScientistProduct Sense | Easy | Nov 1, 2025 |
| Find k-th largest element in array Software EngineerCoding | Medium | Oct 27, 2025 |
| How would you manage precision/recall for fraud detection? Data Scientist | Easy | Oct 26, 2025 |
| Find first and last index of target Software EngineerCoding | Easy | Oct 19, 2025 |
| Count islands using BFS without modifying grid Data EngineerCoding | Hard | Oct 19, 2025 |
| Count buggy vs non-buggy by employer Data Scientist | Medium | Oct 13, 2025 |
| Maximize products bought under budget Data ScientistCoding | Medium | Oct 13, 2025 |
| Select max-discount product per category Data Scientist | Medium | Oct 13, 2025 |
| Analyze promo anomaly and design risk guardrails Data ScientistProduct Sense | Medium | Oct 13, 2025 |
| Explain motivations, background, and success metrics Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Implement streaming SRM detector with late events Data ScientistCoding | Medium | Oct 13, 2025 |
| Demonstrate leadership in cross-functional disagreement Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Design recommendations objective balancing growth and monetization Data Scientist | Hard | Oct 13, 2025 |
| Write SQL for 7-day geo-localized revenue dashboard Data Scientist | Medium | Oct 13, 2025 |
| Compute cluster-aware significance and sequential corrections Data Scientist | Medium | Oct 13, 2025 |
| Design an interference-robust A/B test for monetization Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Investigate visit–report correlation causality Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Compute and rank top bad advertisers Data Scientist | Medium | Oct 13, 2025 |
| Analyze shopping funnel with joins and windows Data Scientist | Medium | Oct 13, 2025 |
| Rank factors for TikTok market entry Data ScientistBehavioral | Hard | Oct 13, 2025 |
| Diagnose a sudden metric spike or drop Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Model overdispersed counts; estimate treatment lift Data Scientist | Medium | Oct 13, 2025 |
| Show ownership in ambiguous creator-growth work Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Write SQL for geo posting-frequency drops Data Scientist | Medium | Oct 13, 2025 |
| Design a creator posting-frequency experiment Data ScientistProduct Sense | Medium | Oct 13, 2025 |
| Compute last-to-previous ad impression gaps Data Scientist | Medium | Oct 13, 2025 |
| Decide if subgroup increases imply overall increase Data Scientist | Medium | Oct 13, 2025 |
| Prove conversion ads value via incrementality Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Design an ad-selection system across objectives Data Scientist | Hard | Oct 13, 2025 |
| Design and evaluate a dasher bike rollout Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Control confounding in observational ad lift Data Scientist | Hard | Oct 13, 2025 |
| Design incrementality test for TikTok ads Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Act when A/B result is not significant Data Scientist | Hard | Oct 13, 2025 |
| Test 15s to 60s video length change Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Measure Ads Manager effectiveness end-to-end Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Diagnose metric drop in Ads Manager Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Compute CTR drop with exclusions Data Scientist | Medium | Oct 13, 2025 |
| Interpret and validate regression with interactions Data Scientist | Hard | Oct 13, 2025 |
| Diagnose a watch-time drop and design experiments Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Compare SQL counts, windows, and NULL semantics Data Scientist | Medium | Oct 13, 2025 |
| Communicate technical impact under skeptical stakeholders Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Detect and suppress bad sellers robustly Data Scientist | Hard | Oct 13, 2025 |
| Causally measure traffic reduction effectiveness Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Decide launch of downranking suspected bad sellers Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Explain and tune XGBoost; prevent overfitting Data Scientist | Hard | Oct 13, 2025 |
| Compute 7-day rolling complaint/order ratio in SQL Data Scientist | Medium | Oct 13, 2025 |
| Design robust A/B test with interference and seasonality Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Calculate valid daily usage with gap constraints Data Scientist | Medium | Oct 13, 2025 |
| Explain your most impactful project trade-offs Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Handle disengaged interviewer or biased manager Data ScientistBehavioral | Medium | Oct 13, 2025 |
| Design robust metrics for a feature launch Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Write SQL for last-7-day metrics without windows Data Scientist | Medium | Oct 13, 2025 |
| Analyze DFS, BFS, and A* trade-offs Data ScientistCoding | Medium | Oct 13, 2025 |
| Explain SHAP vs VIF under collinearity Data Scientist | Hard | Oct 13, 2025 |
| Differentiate LDA and QDA; compute boundary Data Scientist | Medium | Oct 13, 2025 |
| Implement K-means and run two iterations Data ScientistCoding | Medium | Oct 13, 2025 |
| Choose linear regression or decision tree appropriately Data Scientist | Medium | Oct 13, 2025 |
| Optimize threshold using confusion matrix and costs Data Scientist | Medium | Oct 13, 2025 |
| Contrast LSTM and Transformer for long sequences Data Scientist | Hard | Oct 13, 2025 |
| Derive L1 vs L2 effects with correlation Data Scientist | Medium | Oct 13, 2025 |
| Compare bagging vs boosting on imbalanced data Data Scientist | Medium | Oct 13, 2025 |
| Estimate heterogeneous treatment effects with causal ML Data Scientist | Hard | Oct 13, 2025 |
| Reflect on a challenging project you led Data ScientistBehavioral | Hard | Oct 13, 2025 |
| Drive product decisions with causal product sense Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Use DiD for staggered treatment adoption Data Scientist | Hard | Oct 13, 2025 |
| Apply PSM rigorously for observational A/B analysis Data Scientist | Hard | Oct 13, 2025 |
| Design causal measurement without randomization Data ScientistProduct Sense | Hard | Oct 13, 2025 |
| Maximize min+max of contiguous subarray Software EngineerCoding | Medium | Oct 11, 2025 |
| Write SQL for TikTok Live creator metrics Data Scientist | Easy | Oct 9, 2025 |
| Find start indices of anagram substrings Software EngineerCoding | Easy | Oct 7, 2025 |
| Compute maximum path sum in a binary tree Software EngineerCoding | Hard | Oct 3, 2025 |
| Find longest substring without repeating characters Machine Learning EngineerCoding | Medium | Sep 29, 2025 |
| Walk through your resume Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Walk through your resume Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Walk through resume under pressure and critique Machine Learning EngineerBehavioral | Hard | Sep 6, 2025 |
| Solve grid min path and sqrt by binary search Software EngineerCoding | Medium | Sep 6, 2025 |
| Segment a message with width-constrained suffixes Software EngineerCoding | Medium | Sep 6, 2025 |
| Improve and measure service performance Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Implement binary tree in-order traversal Software EngineerCoding | Medium | Sep 6, 2025 |
| Implement a match-3 eliminator Software EngineerCoding | Medium | Sep 6, 2025 |
| Handle disorganized interview logistics Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Find top-k rated nodes via traversal Software EngineerCoding | Medium | Sep 6, 2025 |
| Find substring where all chars appear at least k Software EngineerCoding | Medium | Sep 6, 2025 |
| Find >n/3 elements in sorted array Software EngineerCoding | Medium | Sep 6, 2025 |
| Find >n/3 elements in sorted array Software EngineerCoding | Medium | Sep 6, 2025 |
| Explain Your Resume and Behavioral Examples Data EngineerBehavioral | Medium | Sep 6, 2025 |
| Explain SRE architecture and troubleshooting scenarios Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Explain gap and project contributions Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Explain a challenging project end-to-end Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Discuss resume projects under pressure Machine Learning EngineerBehavioral | Hard | Sep 6, 2025 |
| Discuss Python mutability, copying, and GIL Software Engineer | Medium | Sep 6, 2025 |
| Determine frog reachability across stones Machine Learning EngineerCoding | Medium | Sep 6, 2025 |
| Design tables from metrics Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Design LRU cache with O(1) operations Software EngineerCoding | Medium | Sep 6, 2025 |
| Design a Warehouse for Key Metrics Data EngineerSystem Design | Hard | Sep 6, 2025 |
| Design a high-concurrency ticketing system Software EngineerSystem Design | Hard | Sep 6, 2025 |
| Describe toughest challenge and resolution Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Describe a service performance challenge Software EngineerBehavioral | Medium | Sep 6, 2025 |
| Define and measure project metrics Software EngineerProduct Sense | Hard | Sep 6, 2025 |
| Debug a Hive Query for DAU Data Engineer | Medium | Sep 6, 2025 |
| Debug a Hive query Software Engineer | Medium | Sep 6, 2025 |
| Count islands on a torus grid Software EngineerCoding | Medium | Sep 6, 2025 |
| Compute waits and find distance-k node pairs Software EngineerCoding | Medium | Sep 6, 2025 |
| Compute rooms and verify tree completeness Software EngineerCoding | Medium | Sep 6, 2025 |
| Compute pipeline order from dependencies Software EngineerCoding | Medium | Sep 6, 2025 |
| Compute longest increasing subsequence Machine Learning EngineerCoding | Medium | Sep 6, 2025 |
| How would you measure misinformation impact and recommendation bias? Data ScientistProduct Sense | Easy | Aug 30, 2025 |
| Solve three algorithm tasks Software EngineerCoding | Medium | Aug 13, 2025 |
| Solve four algorithm design tasks Software EngineerCoding | Medium | Aug 13, 2025 |
| Solve array and tree algorithm challenges Software EngineerCoding | Medium | Aug 13, 2025 |
| Design and explain your project architecture Software EngineerSystem Design | Hard | Aug 13, 2025 |
| Implement list, form, and API rendering with pitfalls Software Engineer | Medium | Aug 12, 2025 |
| Solve Topological Sort and Anagram Indices Software EngineerCoding | Medium | Aug 11, 2025 |
| Implement attention and nucleus sampling; compare to top-k Machine Learning Engineer | Hard | Aug 11, 2025 |
| Explain portfolio, design language, and delivery Software EngineerProduct Sense | Medium | Aug 9, 2025 |
| Discuss goals, experience, conflicts, and logistics Software EngineerBehavioral | Medium | Aug 9, 2025 |
| Implement distinct islands and sliding maxima Software EngineerCoding | Medium | Aug 8, 2025 |
| Fix a BST with two misplaced keys Machine Learning EngineerCoding | Medium | Aug 8, 2025 |
| Explain overfitting, imbalance, undersampling, and attention heads Machine Learning Engineer | Hard | Aug 8, 2025 |
| Explain multithreading and locks Software EngineerSystem Design | Hard | Aug 8, 2025 |
| Differentiate virtual and pure virtual functions Machine Learning EngineerCoding | Medium | Aug 8, 2025 |
| Design LLM-enhanced recommendation solutions Machine Learning EngineerSystem Design | Hard | Aug 8, 2025 |
| Describe internship and research projects Machine Learning EngineerBehavioral | Medium | Aug 8, 2025 |
| Find second-minimal word segmentation count Machine Learning EngineerCoding | Medium | Aug 7, 2025 |
| Solve message splitting and board crushing Software EngineerCoding | Medium | Aug 4, 2025 |
| Design query generation system Machine Learning EngineerSystem Design | Medium | Aug 4, 2025 |
| Count subarrays summing to target Machine Learning EngineerCoding | Medium | Aug 4, 2025 |
| Troubleshoot Sudden KPI Drop After Recent Product Release Data ScientistProduct Sense | Medium | Aug 4, 2025 |
| Select 10% Users Randomly from User Table Data Scientist | Medium | Aug 4, 2025 |
| Predict User Churn with Effective Modeling Techniques Data Scientist | Medium | Aug 4, 2025 |
| Personalize Ad Delivery Using Machine Learning Techniques Data Scientist | Medium | Aug 4, 2025 |
| Investigate Declining ROI and Propose Effective Solutions Data ScientistProduct Sense | Hard | Aug 4, 2025 |
| Identify Repeat Advertisers from Consecutive Weeks Data Scientist | Medium | Aug 4, 2025 |
| Highlight Key Projects and Their Business Impact Data ScientistBehavioral | Easy | Aug 4, 2025 |
| Highlight Background and Impactful Projects in Self-Introduction Data ScientistBehavioral | Easy | Aug 4, 2025 |
| Explain Your Role in a Tech Company Project Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Explain Your Experience and Interest in Tech Role Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Evaluate Cohort Posting Patterns Using Metrics and Tests Data ScientistProduct Sense | Medium | Aug 4, 2025 |
| Diagnose Traffic Allocation in A/B Test Results Data ScientistProduct Sense | Medium | Aug 4, 2025 |
| Diagnose Decline in User Engagement and Experience Quality Data ScientistProduct Sense | Medium | Aug 4, 2025 |
| Determine Metrics for Evaluating Homepage Recommendation Carousel Data ScientistProduct Sense | Medium | Aug 4, 2025 |
| Design Metrics for Content Moderation and Chatbot Evaluation Data ScientistProduct Sense | Medium | Aug 4, 2025 |
| Design A/B Test for Cost-Per-Conversion Efficiency Analysis Data ScientistProduct Sense | Hard | Aug 4, 2025 |
| Describe Your Most Impactful Project Experience and Lessons Learned Data ScientistBehavioral | Medium | Aug 4, 2025 |
| Choose Between Random Forests and Gradient Boosting Models Data Scientist | Medium | Aug 4, 2025 |
| Calculate Monthly Conversion Rate and Average Order Value Data Scientist | Medium | Aug 4, 2025 |
| Calculate Expected Draws for X > 0.8 in Uniform(0,1) Data Scientist | Easy | Aug 4, 2025 |
| Calculate Day-7 Retention Rate from User Post Data Data Scientist | Medium | Aug 4, 2025 |
| Calculate Conversion Rate from Ad Clicks to Page Visits Data Scientist | Medium | Aug 4, 2025 |
| Analyze Trade-off Between DAU Growth and Ad Revenue Data ScientistProduct Sense | Medium | Aug 4, 2025 |
| Analyze Posting Behavior by Cohort and Date Data Scientist | Medium | Aug 4, 2025 |
| Find and count target-sum subarrays Machine Learning EngineerCoding | Medium | Jul 31, 2025 |
| Design query generation to maximize CTR Machine Learning EngineerSystem Design | Hard | Jul 31, 2025 |
| Solve intervals and distinct islands Software EngineerCoding | Medium | Jul 29, 2025 |
| Flatten object & Promise.all Software EngineerCoding | Medium | Jul 29, 2025 |
| Explain Your System Architecture Software EngineerSystem Design | Hard | Jul 29, 2025 |
| Count deletions making array fair Software EngineerCoding | Medium | Jul 29, 2025 |
| Implement a match-3 board resolver Software EngineerCoding | Medium | Jul 29, 2025 |
| Format messages with paginated suffixes Software EngineerCoding | Medium | Jul 29, 2025 |
| Design a high-volume ticketing system Software EngineerSystem Design | Hard | Jul 29, 2025 |
| Compute widest level span in a binary tree Software EngineerCoding | Medium | Jul 29, 2025 |
| Compute city skyline silhouette Machine Learning EngineerCoding | Medium | Jul 27, 2025 |
| Solve top-K and string rotation match Software EngineerCoding | Medium | Jul 26, 2025 |
| Implement O(1) randomized multiset Software EngineerCoding | Medium | Jul 17, 2025 |
| Implement and compare key design patterns Software EngineerSystem Design | Medium | Jul 17, 2025 |
| Explain Java DI, AOP, and transactions Software EngineerCoding | Medium | Jul 17, 2025 |
| Design a global notification service Software EngineerSystem Design | Hard | Jul 17, 2025 |
| Deep-dive your recent project architecture Software EngineerSystem Design | Hard | Jul 17, 2025 |
| Answer core CS fundamentals concisely Software Engineer | Medium | Jul 17, 2025 |
| Walk through resume and resolve conflicts Software EngineerBehavioral | Medium | Jul 16, 2025 |
| Parse chemical formula with multipliers Software EngineerCoding | Medium | Jul 16, 2025 |
| Write complex SQL for cohorts and retention Software Engineer | Medium | Jul 15, 2025 |
| Reconstruct a tree from two traversals Software EngineerCoding | Medium | Jul 15, 2025 |
| Explain your background and career choices Software EngineerBehavioral | Medium | Jul 15, 2025 |
| Explain Redis design, persistence, and scaling Software EngineerSystem Design | Hard | Jul 15, 2025 |
| Explain Kafka architecture and reliability semantics Software EngineerSystem Design | Hard | Jul 15, 2025 |
| Explain a SQL query result Data Engineer | Medium | Jul 15, 2025 |
| Design overload protection with load shedding Software EngineerSystem Design | Hard | Jul 15, 2025 |
| Describe a data-heavy project Data EngineerBehavioral | Medium | Jul 15, 2025 |
| Debug a Hive insert query Data Engineer | Medium | Jul 15, 2025 |
| Check if two-group seating is possible Software EngineerCoding | Medium | Jul 15, 2025 |
| Design an experiment for exploratory recommendations Data ScientistProduct Sense | Hard | Jul 13, 2025 |
| Track Key Metrics for Apple's New Phone Launch Data ScientistProduct Sense | Medium | Jul 12, 2025 |
| Test Billboard Campaign Conversion Rate Exceeds 60% Data Scientist | Easy | Jul 12, 2025 |
| Resolve Stakeholder Conflicts: Actions and Outcomes Explained Data ScientistBehavioral | Medium | Jul 12, 2025 |
| Predict Customer Churn with Machine Learning Workflow Data Scientist | Medium | Jul 12, 2025 |
| Optimize Station Sequence for Maximum Car Output in Simulation Data ScientistCoding | Medium | Jul 12, 2025 |
| Optimize Job Routing in Parallel Machine Scheduling Data ScientistCoding | Medium | Jul 12, 2025 |
| Measure Billboard Campaign Effectiveness and Engagement Quantification Data ScientistProduct Sense | Hard | Jul 12, 2025 |
| Maximize Distinct Purchases Within Budget Constraints Data ScientistCoding | Medium | Jul 12, 2025 |
| Investigate Traffic Distribution Impact on Retention Decrease Data ScientistProduct Sense | Medium | Jul 12, 2025 |
| Improve TikTok's Algorithm for Diverse Content Discovery Data ScientistProduct Sense | Medium | Jul 12, 2025 |
| Identify Top Discounts and Monitor Code Submissions Data Scientist | Medium | Jul 12, 2025 |
| Evaluate Responses to Teammate's Missed Deadlines Data ScientistBehavioral | Medium | Jul 12, 2025 |
| Evaluate Home-Feed Diversity's Impact on User Engagement Metrics Data ScientistProduct Sense | Hard | Jul 12, 2025 |
| Diagnose Search Issues with Relevant Metrics and Solutions Data ScientistProduct Sense | Medium | Jul 12, 2025 |
| Design Real-Time Credit Card Fraud Detection System Data Scientist | Hard | Jul 12, 2025 |
| Define Credit and Its Importance for Consumers and Banks Data ScientistBehavioral | Easy | Jul 12, 2025 |
| Compute Averages of Unique Numbers in Dictionary Lists Data ScientistCoding | Medium | Jul 12, 2025 |
| Compute 7-Day Rolling Average of Unique Post Viewers Data Scientist | Medium | Jul 12, 2025 |
| Compare Random Forests and Boosted Trees: Bias, Variance, Speed Data Scientist | Medium | Jul 12, 2025 |
| Calculate User Registration Date and 7-Day Retention Rate Data Scientist | Medium | Jul 12, 2025 |
| Balance Customer Satisfaction with Fraud Prevention: Key Metrics to Track Data ScientistProduct Sense | Medium | Jul 12, 2025 |
| Analyze Negative Reviews' Impact on Coupon Repurchase Rate Data ScientistProduct Sense | Medium | Jul 12, 2025 |
| Analyze and Clean European Ecommerce Sales Data Data Scientist | Medium | Jul 12, 2025 |
| Align Conflicting Stakeholders for Successful Project Delivery Data ScientistBehavioral | Medium | Jul 12, 2025 |
| Break a Palindrome Algorithm Product ManagerProduct Sense | Medium | Jul 4, 2025 |
| Login Flow Critique, Feature Improvement & Data Privacy Product ManagerProduct Sense | Medium | Jul 4, 2025 |
| Motivation & Cross-Functional Collaboration Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| TikTok Product Strategy & Case Design Product ManagerProduct Sense | Hard | Jul 4, 2025 |
| Behavioral Fit & Leadership at TikTok Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Secretary Problem – Selecting the Most Valuable Painting Product ManagerProduct Sense | Medium | Jul 4, 2025 |
| In-App Purchase A/B Test Design & Evaluation Product ManagerProduct Sense | Medium | Jul 4, 2025 |
| Digital Marketing Campaign ROI Analysis Product ManagerProduct Sense | Medium | Jul 4, 2025 |
| Personal Motivation and Cultural Fit Product ManagerBehavioralProduct Sense | Medium | Jul 4, 2025 |
| Detecting and Mitigating Cheating in Games Product ManagerProduct Sense | Hard | Jul 4, 2025 |
| Game Product Design and Player Loyalty Product ManagerProduct Sense | Medium | Jul 4, 2025 |
| SQL Queries and Analysis on Bad Advertisers Data ScientistProduct Sense | Medium | Jun 29, 2025 |
| Tiktok DS Interview Questions Data Scientist | Medium | Jun 26, 2025 |
| Investigating Correlation Between Ad Visits and Reports Data ScientistProduct Sense | Medium | Jun 22, 2025 |
