Bytedance Machine Learning Interview Questions
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ByteDance
Hard
Data ScientistDesign 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...
Machine Learning
1
0
Oct 13, 2025
ByteDance
Hard
Machine Learning EngineerDefine 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...
Machine Learning
0
0
Dec 8, 2025
ByteDance
Medium
Software EngineerExplain 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...
Machine Learning
0
0
Dec 8, 2025