Exa
Research, Evals
San Francisco, California
Sponsorship not specifiedDetected 280 days ago
PythonRustVector DatabasesMachine LearningLLMsHubSpotLogisticsResearch
About the role
- We now power search for Cursor, Cognition, HubSpot, and over 400,000 developers and have raised $350m from Lightspeed, Benchmark, and a16z.
- We train foundational models for search.
Responsibilities
- Have strong engineering fundamentals and can build reliable systems (Python, Rust, distributed pipelines, GPU/cluster jobs, etc.)
- Enjoy diving into data via building eval sets, inspecting edge cases, designing creative measurement strategies
- Design and implement evaluation frameworks that probe the limits of search
- Build scalable, reliable eval pipelines that track regressions, drift, and quality signals across billions of documents
- Create golden datasets, synthetic benchmarks, agentic tasks, and real-world test suites that reflect how developers, agents, and humans actually use Exa
- Partner closely with ML researchers, data engineers, infra engineers, and product to shape the feedback loops that improve our search models
Skills
- Basically, put the web into an extremely powerful database.
Benefits
- We offer premium healthcare benefits (medical, dental, vision), fertility benefits, 16 weeks of fully paid parental leave for all new parents, and a monthly wellness stipend to all of our employees.
- Have hands-on ML experience (training, finetuning, or evaluating models (bonus if related to embeddings or LLMs)
Equal opportunity
- Exa is an equal opportunity employer.
Visa & Work Authorization
- We're happy to sponsor international candidates (e.g., STEM OPT, OPT, H1B, O1, E3).
- While we cannot guarantee your visa, we have historically been successful in sponsoring candidates from all over the world.
- If you receive an offer, our team will work hard to get you a visa.
This listing is sourced directly from Exa's careers page and normalized into a canonical job model.