Senior/Staff Software Engineer (Search & Retrieval)
Core
Design and build the search, retrieval, and relevance infrastructure that feeds AI agents at Actively to find, rank, and reason over diverse customer data.
Role type
Senior/Staff Software Engineer (Search & Retrieval)
Builds
Search and retrieval infrastructure for AI agents
Domain
AI Agents, Information Retrieval, Data Infrastructure
Deliverable
production ML models
Required skills
Search and retrieval system design, Information retrieval (IR), Relevance tuning, Reranking strategies, Near-real-time indexing, Hybrid search (semantic + lexical), Retrieval evaluation frameworks, Index configuration, API design for retrieval primitives
Preferred skills
Entity resolution, Knowledge graph construction, Relationship extraction at scale
Technologies
Embedding models, Indexing systems, Reranking layers, Evaluation infrastructure
Responsibilities
Design and scale search/retrieval infrastructure for AI agents; Build enrichment and entity extraction systems; Define data representation and storage architecture; Develop and deploy reranking layers; Build shared retrieval APIs; Maintain retrieval quality evaluation infrastructure
Seniority
Senior/Staff, hands-on IC
