Responsibilities
- Develop and evolve Elasticsearch/OpenSearch and Milvus products for high-performance, scalable search and vector retrieval.
- Build full-text, vector, hybrid, filtered, multi-vector, and large-scale approximate-nearest-neighbor search capabilities.
- Optimize vector indexing and distributed retrieval across HNSW, IVF, DiskANN, RaBitQ, storage, caching, and I/O.
- Explore cloud-native Vector Lakebase architectures for search over data lakes and object storage.
Requirements
- Bachelor’s degree in Computer Science, AI, Machine Learning, or a related field.
- Strong software engineering skills in C++, Golang, Java, or Python.
- Experience with search engines, databases, storage systems, or distributed systems.
- Hands-on production or system-development experience with Elasticsearch/OpenSearch or Milvus.
- Strong understanding of distributed systems and performance optimization.
- Preferred: deep experience with Elasticsearch/OpenSearch, Lucene, Milvus/Knowhere, or similar systems.
- Preferred: knowledge of full-text and multi-vector indexing, including HNSW, IVF, DiskANN, or related ANN algorithms.
- Preferred: experience optimizing billion-scale or larger vector retrieval for latency, throughput, recall, and cost.
- Preferred: experience with cloud-native storage, compute-storage separation, object storage, or lakehouse/lakebase architectures.
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.