ML Engineer, Vector Search

Pinecone is seeking a Senior ML Engineer to work on our vector search infrastructure. You will develop and optimize similarity search algorithms, build embedding pipelines, and improve the performance of our vector database at scale. This role involves working on approximate nearest neighbor search, embedding quality optimization, and building tools that help developers build better AI applications with vector search. The ideal candidate has deep expertise in information retrieval, vector search, and systems engineering.

- 5+ years of ML/systems engineering experience - Experience with vector search and ANN algorithms - Strong Python, C++, or Rust skills - Understanding of embedding models and similarity metrics - Experience building high-throughput, low-latency systems - MS/PhD in ML, IR, or related field preferred