Responsibilities
- Architect and implement AI-native databases integrating structured, unstructured, and vectorized data.
- Design storage engines for embedding ingestion, multimodal retrieval, and real-time AI interaction.
- Build scalable distributed vector search systems with low-latency guarantees.
- Develop AI-augmented query processors using large language models for semantic parsing, intent understanding, and cost estimation.
- Develop retrieval-augmented generation infrastructure and LLM agent memory backends.
- Advance learned indexes, self-optimizing databases, and AI-integrated transaction systems.
- Publish research and contribute to open-source communities.
Requirements
- Bachelor’s, Master’s, or Ph.D. in Computer Science or a related field with strong systems or AI research experience.
- At least 2 years of experience in core database systems, large-scale distributed infrastructure, or machine learning systems.
- Strong coding and system-level design skills in C++, Rust, or Go.
- Deep expertise in storage engine architecture, vector retrieval and ANN indexing, AI or model-serving infrastructure, semantic search, agent systems, or AI-native memory frameworks.
- Ability to collaborate across research, engineering, and product teams to translate ideas into production systems.
- Preferred experience with Faiss, Milvus, DuckDB, ClickHouse, TiKV, or RocksDB.
- Preferred publications at accredited conferences such as SIGMOD, VLDB, NeurIPS, MLSys, or ICDE.
- Preferred familiarity with GCP, AWS, or Azure database and AI integration strategies.
- Prior contributions to RAG, memory-augmented models, or self-tuning database components are preferred.
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.