> Markdown version of [/jobs/ext/3845642-senior-backend-engineer-data-platform-ai](https://www.wearedevelopers.com/jobs/ext/3845642-senior-backend-engineer-data-platform-ai). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Backend Engineer, Data Platform & AI - **Company:** Brex Inc. - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Data Infrastructure, Relational Databases, Query Optimization, Backend - **Published:** October 20, 2026 - **Apply:** https://www.juju.com/job/23_32BD1689C3103D9246611854A2327435 ## About the Role This role focuses on building scalable and reliable data infrastructure, requiring over 7 years of backend engineering experience with a strong emphasis on optimizing production systems. The ideal candidate will possess expertise in relational databases and query optimization. ## Description A leading fintech company in San Francisco is seeking a Senior Software Engineer to join their Product Data Platform team.