Posted Sep 18, 2026

Founding Engineer

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Founding Engineer | Infinite Location: San Francisco, CA Company Overview - At Infinite, we're making global payments faster, cheaper, and compliant. - We're a global payments processor built for B2B use cases, serving across 5 continents and 150+ countries. - While stablecoin settlements are revolutionizing finance, traditional businesses lack the tools to leverage them fully. - We offer simple APIs, dashboards, and easy-to-integrate SDKs to reduce friction and accelerate global go-to-market. - We're serving 5+ customers and have millions in committed volume. Job Description - As a founding engineer, you'll build the core foundations of Infinite's global payments platform. - You'll make critical architecture decisions, build products from 0 to 1, and lead a team of talented engineers. - This is your chance to join the founding team and work directly with the founders to build the next generation payments platform. - At Infinite, we ship fast and iterate faster - we prioritize progress over perfection. - You'll step in to unlock tens of millions in customer volume waiting in our backlog. Key Responsibilities - Architect and build products from scratch - Foster a high-velocity engineering culture where shipping beats perfection - Lead and mentor engineers to establish our engineering foundation - Work directly with founders and customers to execute our technical vision - Own the full stack, building and maintaining products with zero downtime - Design data architecture for complex ledgering systems - Integrate on/off ramp providers, banking solutions and fintech services - Make smart tradeoffs between speed and scalability Required Skills - Proficiency in Next, TypeScript, C#, Golang, Python - Full stack ownership from front-end to infrastructure - Experience with async and event-driven architecture - 0-to-1 mindset with ability to complete projects end-to-end - Strong communication and leadership - Experience building fintech/payments products Qualifications - 5-10+ years in software engineering with proven success building complex software, shipping 0-to-1 products, and fostering high-performance culture. Ideal Candidate - You're passionate about global payments and solving hard engineering problems. - You think like a product builder and have a hacker mindset for solving customer problems. - You're willing to do things that don't scale while simultaneously building systems that will - enabling customers today while building for tomorrow.