# Research Engineer, Index Intelligence at Exa

- Company: Exa
- What the company does: Search API for AI agents that need real-time web data, deep research, and structured content from one endpoint. Try our API for free. Backed by Lightspeed, Y Combinator and a16z.
- Company website: https://exa.ai/
- Type: Startups (AI role)
- Level: Mid level
- Location: San Francisco, California
- Work setup: On-site
- Pay: $180K to $350K base salary per year (USD)
- Posted: 2026-10-01
- Apply by: 2026-11-23
- Apply: https://jobs.ashbyhq.com/exa/67310301-d019-4290-9c79-e8d6e70d5d50?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/exa-research-engineer-index-intelligence/

## About the role

Our ultimate goal is to build perfect search over all the world's information, far beyond Google. If you want to build massive-scale ML systems that will define the way the new AI world consumes information, this is the place for you. You are comfortable owning a problem with no ground truth, where the first job is defining what the right answer means Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- You are comfortable owning a problem with no ground truth, where the first job is defining what the right answer means
- Hands-on ML experience with classifiers, rankers and calibration, plus strong data instincts at web scale
- You think in end-to-end impact. A signal only counts if a decision changes and search gets better
- You like working across teams. Crawling, indexing and retrieval all consume what you build
- You care about the problem of finding high quality knowledge and recognize how important this is for the world

Tags: Research

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/exa-research-engineer-index-intelligence/