Senior Software Engineer, AI Infrastructure - Developer Tooling

Job description

About the Team We're building the AI-powered backbone of our developer tools. You'll work on three core systems: a retrieval infrastructure powering our AI products, a coding agent that assists users in writing code, and the evaluation frameworks that measure their effectiveness. Responsibilities: Retrieval Systems (RAG Infrastructure): - Design and scale retrieval pipelines including vector search, BM25, and hybrid retrieval strategies - Build and optimize embedding pipelines, chunking strategies, and re-ranking systems - Develop query understanding and rewriting components to improve retrieval relevance - Manage vector database infrastructure at production scale Coding Agent Development: - Build agent architectures that support multi-step code generation, refactoring, debugging, and diagnostics - Implement tool-use patterns (function calling, code execution sandboxing, file system interaction) - Develop context management strategies for long-form code understanding Evaluation & Benchmarking: The base salary range for this position in the selected city is $202160 - $368220 annually. - Design and maintain evaluation frameworks for retrieval quality and agent task completion - Build...