Platform Engineer (Builder Experience)

Join OnePay as a Platform Engineer on the Builder Experience Team. You will design and operate core platform services, develop internal developer tooling, and build frameworks for intelligent, automated workflows. You will also drive enhancements in CI/CD pipelines and developer workflows. Enjoy competitive health benefits, flexible time off, paid employee leave, a 401k plan with employer match, a monthly work-from-home stipend, and a remote-first culture.

• Design and operate platform-oriented core services that support high-scale distributed systems across OnePay’s product ecosystem.
• Develop internal developer tooling and shared infrastructure that improve velocity, reliability, and observability across engineering teams.
• Drive enhancements in CI/CD pipelines, automation, and developer workflows to increase deployment speed, reliability, and confidence across teams.
• Experience building developer platforms, internal tooling, or frameworks that enable other engineers to move faster
• Production experience in AWS cloud environments and building cloud-native infrastructure
• Deep expertise in distributed systems, asynchronous processing, and high-availability platform services
• Drive and proactivity – everyone here is a builder and executor
• Strong experience working with CI/CD pipelines and driving continuous integration and delivery improvements
• 2-9 years of experience in software engineering within fintech, cloud infrastructure, or large-scale distributed systems environments
• Demonstrated experience designing and building agentic developer tools that empower automation, collaboration, or intelligent workflows