About PaxosToday’s financial infrastructure is archaic, expensive, inefficient and risky — supporting a system that leaves out more people than it lets in. So we’re rebuilding it.About the TeamThe Fiat Rails Engineering team is the backbone of Paxos' financial infrastructure, responsible for building and maintaining fiat infrastructure for the entire platform. Areas of focus include expanding our payment rail network to support new methods of value transfer, establishing and maintaining integrations with global banking partners, and developing our platform's fiat payment APIs. Our team works at the intersection of traditional finance and modern technology, building scalable solutions that enable seamless fiat transaction handling for our clients.About the RoleAs a Senior Software Engineer on the Fiat Rails team, you'll help architect and build next‑generation financial infrastructure that processes billions of dollars in annual transaction volume and supports our multi‑billion dollar tokenization infrastructure. You'll work on complex challenges including real‑time payment processing, integrating with global banking partners, and building scalable APIs that enable instant money movement.



This role offers the opportunity to directly impact how the world's leading financial institutions onboard into the crypto ecosystem.What You’ll DoDesign and implement scalable microservices for processing fiat transactions, ensuring high throughput and reliabilityBuild robust APIs that enable seamless integration with banking partners and internal systemsCollaborate with cross‑functional teams to define and implement current features for fiat money movementOptimize existing systems for performance, scalability and maintainabilityContribute to architectural decisions and technical strategy for the team's roadmapMentor junior engineers and promote engineering best practices across the teamAbout You5+ years of experience building and maintaining production services in a high‑scale environmentProven track record of writing high‑quality, well‑tested codeStrong communication skills and experience working with cross‑functional teamsStrong expertise in distributed systems design and microservices architectureDeep understanding of API design principles and best practicesExperience with cloud platforms (preferably AWS) and containerization technologiesSolid foundation in data structures, algorithms and system designDemonstrated interest in learning and adopting new technologiesCompensationCompensation Range: $188,000 - $215,475#J-18808-Ljbffr

📌 Senior Software Engineer, Fiat Rails - $188,000 - $215,475 A Year (Toronto)
🏢 Paxos
📍 Toronto