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Paxos Logo

Senior Software Engineer, Fiat Rails

Paxos

$173,284 - $203,864
Sep 30, 2025
Remote, US
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The company is looking to rebuild the world's financial infrastructure to make it more efficient, trustworthy, and inclusive.

Requirements

  • Strong expertise in distributed systems design and microservices architecture
  • Deep understanding of API design principles and best practices
  • Experience with cloud platforms (preferably AWS) and containerization technologies
  • Solid foundation in data structures, algorithms and system design
  • 5+ years of experience building and maintaining production services in a high-scale environment
  • Proven track record of writing high-quality, well-tested code
  • Demonstrated interest in learning and adopting new technologies

Responsibilities

  • Design and implement scalable microservices for processing fiat transactions, ensuring high throughput and reliability
  • Build robust APIs that enable seamless integration with banking partners and internal systems
  • Optimize existing systems for performance, scalability and maintainability
  • Contribute to architectural decisions and technical strategy for the team's roadmap
  • Mentor junior engineers and promote engineering best practices across the team
  • Collaborate with cross-functional teams to define and implement new features for fiat money movement
  • Work on complex challenges including real-time payment processing, integrating with global banking partners, and building scalable APIs that enable instant money movement

Other

  • Strong communication skills and experience working with cross-functional teams