More jobs:
Software Engineer; Backend
Job in
San Francisco, San Francisco County, California, 94199, USA
Listed on 2026-06-02
Listing for:
Exa
Full Time
position Listed on 2026-06-02
Job specializations:
-
Software Development
Software Engineer, Backend Developer
Job Description & How to Apply Below
Exa is building a search engine from scratch to serve every AI application. We build massive-scale infrastructure to crawl the web, train state-of-the-art embedding models to index it, and develop super high performant vector databases in Rust to search over it. We also own a $5M H200 GPU cluster that regularly lights up tens of thousands of machines.
As a backend engineer, you'd play a critical role in our backend system. We're pretty flexible on what projects people work on based on their skills and interests.
Desired Experience- You have experience writing and maintaining high throughput, low latency systems
- You can build data processing pipelines that deal with millions of documents per day
- You’re comfortable optimizing a system to an exceptional degree
- You care about the problem of finding high quality information and recognize how important this is for the world
- Plus:
Experience in some high performance language (C++, Rust, etc.)
- Recreate Google-level keyword search over 10 billion pages in 1 month
- Build a state-of-the-art crawling system that works optimally for any website
- Build a custom vector database that runs over a billion vectors in under 100ms
This is an in-person opportunity in San Francisco. We're happy to sponsor international candidates (e.g., STEM OPT, OPT, H1B, O1, E3).
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