Actively AI
Senior/Staff Software Engineer (Search & Retrieval)
$160K–$220K
New York, New York, United States +1 · Staff · Full-time · Posted Apr 6, 2026
- Location
- New York, New York, United States
San Francisco, California, United States - Experience
- 5+ years building and operating production retrieval systems.
About the job
Build and scale search, retrieval, enrichment, and ranking systems that provide relevant context to Actively AI’s agents.
What you'll do
- Design and scale indexing, querying, ranking, and filtering across customer data sources.
- Build enrichment and entity-extraction systems that make unstructured data queryable, and develop reranking systems.
- Create shared retrieval APIs and evaluation infrastructure to measure quality and catch regressions.
What they ask for
- 5+ years building and operating production retrieval systems across multiple customers, data sources, or domains.
- Experience tuning relevance, deploying reranking strategies, and improving production results.
- Experience with fresh-data retrieval pipelines, such as near-real-time indexing, incremental updates, or event-driven ingestion.
- Experience with hybrid retrieval and retrieval evaluation using IR metrics, task-level signals, or automated quality checks.
Nice to have
- Experience at a search or retrieval-focused company, or building shared search infrastructure across teams or products.
- Experience with entity resolution, knowledge graphs, or relationship extraction at scale.
Pay
$160,000 — $220,000 USD (base salary)
AI focus
Build retrieval and ranking systems that supply context to AI agents, including enrichment, entity extraction, reranking, and evaluation.
Model-written summary · the original posting is authoritative