# Software Engineer (C++/C#) at Databento

- Company: Databento
- What the company does: Databento provides real-time and historical market data APIs. Access data for equities, futures, options, and more with one integration. Sign up for $125 in free credits. Backed by NEA.
- Company website: https://databento.com/
- Type: Startups
- Level: Mid level
- Location: Remote / Boston / Salt Lake City / San Francisco / New York
- Work setup: Remote
- Posted: 2026-07-20
- Apply by: 2026-10-08
- Apply: https://job-boards.greenhouse.io/databento/jobs/8074350
- Page: https://www.1752.vc/careers/jobs/databento-software-engineer-c-c/

## About the role

We're looking for a midlevel or senior IC to join our core engineering team. You'll be responsible for implementing and maintaining our C# client library, and also working alongside our core engineering team on the most performance-sensitive parts of our codebase.

## What they're looking for

- Own and maintain our C# client library, ensuring it is robust, well-tested, and easy for external users to integrate with
- Design, develop, and maintain high-performance server applications in C++
- Write message parsers and feed handlers for direct market data feeds from trading venues
- Optimize existing codebase for high throughput (millions of messages per second, up to 40+ gigabits) and low latency (measured in nanoseconds)
- Implement tools and libraries for petabyte-scale data processing and analysis
- Collaborate with the systems team to implement best practices for build, deployment, CI/CD

Tags: Engineering