Senior Software Engineer

Senior Backend Engineer - Go / Python - Global Fintech - Full Remote - ~18M or DOE A payment processing service from Japan that connects major payment methods in Japan and around the world. Our platform powers businesses across e-commerce, social media platforms and restaurants. Our customers are global, and so is our team. You'll join a fast-growing startup that fully owns its product, where your work directly shapes how money moves for thousands of businesses. What you'll do Design and build backend services that process payments reliably at scale Integrate with payment methods and partners in Japan and globally Improve the performance, security and stability of a system businesses rely on every day Use AI agents and modern tools to ship faster as a team You need: Backend 3+ years experience Experience with Go and gRPC or Python Nice to have: Lead / Management experience Fullstack experience Salary and Benefits: Annual income ~18M or DOE Full remote If you are interested, we look forward to your application! Show more Show less