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Fintech Software Engineer

Phaxis LLC

San Francisco, California, United States Full-time May 16, 2026
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Opportunity Description

Senior Backend Engineer

Engineering Lead Track

San Francisco, CA
The Role
We are hiring two Senior Backend Engineers to join us at a foundational moment. You will work directly with the technical founders to architect, build, and ship a highly performant, reliable, and secure financial services platform — handling real money, at scale, across international markets.



This is not a maintenance role or a feature-factory position. You will set engineering standards, make consequential technical decisions, and own core systems end to end. As the team grows, this role has a clear path to Backend or General Engineering Lead.



We are looking for engineers who have shipped production fintech software and understand the stakes: correctness, reliability, and security are not negotiable when real value is moving across borders.


What You'll Work On


  • Core ...
Full-time other-general

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