ByteDance Analytics & Experimentation Interview Questions
Master your tech interview with our curated database of real questions from top companies.
Design an interference-robust A/B test for monetization
A/B Test Design: New Tipping UI on Creator Posts Context: You are launching a new tipping UI on creator (PGC/OGC) posts to increase creator monetizati...
Plan DS approach for biker delivery project
You are a Data Scientist supporting a “biker” (delivery rider) product/project for a food-delivery platform. An interviewer gives only a short descrip...
Define and critique a user activity metric
Context You are on a product team and need to define a metric for user activity to be used in dashboards and decision-making. Question 1. Propose 2–4 ...
Design and decompose Trust & Safety risk metrics
You are a Data Scientist in a Trust & Safety team for a short-video platform (similar to TikTok/Reels). The team asks: “How would you design risk metr...
Investigate visit–report correlation causality
Causal Diagnosis: Do More Ad Page Visits Cause More Reports? Context You observe a positive correlation between the number of ad page visits and the p...
Diagnose a sudden metric spike or drop
Investigate a 3-Day Jump in Checkout Conversion Rate (CCR) Context On 2025-06-12, the daily Checkout Conversion Rate (CCR) increased from 3.2% to 4.5%...
Design a creator posting-frequency experiment
You’re on the Creator Growth (PGC) team of a short‑video platform. Product proposes a push/email nudge expected to raise creators’ weekly posting freq...
How would you measure misinformation impact and recommendation bias?
You are interviewing for an experienced Data Scientist role on a short-form video platform (e.g., TikTok). Product sense / case questions come up freq...
Design an experiment for exploratory recommendations
Context You are launching an online A/B test for a new version of a recommendation algorithm. The goal of the new algorithm is to increase users’ expl...