Principal Software Engineer
Summary
Principal engineer designing and optimizing vector search and relevance models to enhance Copilot’s semantic retrieval and ranking using FAISS, ScaNN, and LLM fine-tuning.
Overview As a Principal Software Engineer, you'll be responsible for delivering mission-critical innovations that directly improve Copilot experiences. Your team will work on: Adapting advanced vector search algorithms (e.g., FAISS, ANN, ScaNN) for enterprise-scale semantic retrieval and Improving classic and neural keyword search quality through deep language understanding. Designing and training relevance models , including LLM fine-tuning and learning-to-rank (LTR) approaches. Building robus…