Responsibilities
- Build AI Search Agents with planning, memory, and tool-use capabilities.
- Apply reinforcement learning, knowledge representation, and automated decision-making to solve complex problems.
- Improve LLM-based query understanding for multi-turn conversations and semantic analysis of queries and documents.
- Optimize retrieval, ranking, RAG, and LLM pipelines, including fine-tuning and inference optimization.
- Improve the relevance and structured presentation of search results.
- Translate Agent and LLM research innovations into production and collaborate with cross-functional teams on product upgrades.
Requirements
- At least 5 years of experience in machine learning.
- Proficiency in C++ and Python.
- Strong command of algorithms and data structures, including retrieval and graph algorithms.
- Basic understanding of LLM fundamentals, prompt engineering, and fine-tuning workflows.
- A track record of delivering technical projects and strong problem-solving skills.
- Preferred: hands-on experience with RAG optimization, RLHF/SFT for LLMs, or Agent framework development such as planning and memory modules.
- Preferred: strong communication and collaboration skills and a record of exploring new technologies and driving technical advancements with teams.
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About ByteDance
ByteDance is a global incubator of platforms at the cutting edge of commerce, content, entertainment and enterprise services - over 2.5bn people interact with ByteDance products including TikTok. Creation is the core of ByteDance's purpose. Our products are built to help imaginations thrive. This is doubly true of the teams that make our innovations possible. Together, we inspire creativity and enrich life - a mission we aim towards achieving every day. At ByteDance, we create together and grow together. That's how we drive impact - for ourselves, our company, and the users we serve. We are committed to building a safe, healthy and positive online environment for all our users. We have over 110,000 employees based in more than 30 countries globally. Join us.