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大语言模型算法工程师-抖音推荐技术

北京💼 Full-time🗓 2026-09-28

Core

Optimizing the full-stack recommendation system for Douyin's primary feed page and supporting other key business scenarios using Large Language Models (LLM) and generative AI.

Role type

Senior IC algorithm engineer (LLM & Generative Recommendation)

Builds

Next-generation generative recommendation systems and optimized recommendation architectures for Douyin's feed and other business units.

Domain

Social media, Recommendation Systems, Large Language Models (LLM), Generative AI

Deliverable

production ML models

Required skills

LLM optimization, Generative AI, Recommendation algorithms, Complex constraint optimization, CV/NLP model adaptation, Model fine-tuning, Preference alignment, Model quantization, PyTorch, TensorFlow, Deep learning frameworks, Mathematical modeling

Preferred skills

Publications in top-tier conferences (KDD, SIGIR, WWW, ACL), Cross-domain experience, Data construction for models

Responsibilities

Optimize existing recommendation system modules using LLMs and model technologies; Explore and develop next-generation generative recommendation system technologies; Solve complex constrained optimization problems; Design and implement recommendation architectures for multiple scenarios; Conduct in-depth analysis of product data.

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