ByteDance Machine Learning Interview Questions
Master your tech interview with our curated database of real questions from top companies.
Design recommendations objective balancing growth and monetization
Design a Multi-Objective Recommender for Long-Form Content You are designing the ranking objective and measurement plan for a long-form content recomm...
Explain your VLM project end-to-end
You are asked to deep-dive (“resume grilling”) on a Vision-Language Model (VLM) project listed on your resume. Cover the following clearly and concret...
Define QKV for recommender cross-attention
You are designing a deep-learning–based recommendation system that uses a Transformer-style cross-attention block to model the interaction between a u...
Explain DPO and construct its training data
You are working on a project to fine-tune a large language model (LLM) using Direct Preference Optimization (DPO). Answer the following: 1. Conceptual...
When prioritize precision vs recall
Context You are working on a product team and building (or evaluating) a binary classifier that triggers an action (e.g., show a warning, block conten...
How do you choose a classification threshold?
Context You built a binary sentiment classification model (e.g., positive vs. negative) and need to deploy it in a product where actions depend on the...
How would you manage precision/recall for fraud detection?
Scenario You own (or significantly contribute to) a production fraud detection system that flags transactions/users as fraud vs legit. - The model out...