Lightning Developer

You know Bitrefill , you've probably routed a payment through us. You get why Lightning matters and you want to build the infrastructure that makes it work for a million+ customers across 180 countries. If that's you, hit the apply button and let's talk. If you need more info to decide, keep reading. We kept the corporate fluff out, so it won't take long. About the role Bitcoin and Lightning are where Bitrefill comes from, and they're still core to what we do. There's more happening in this space than the team can keep up with, so we're bringing in more hands to keep things running and push them forward: shipping the integrations we keep talking about, digging into how our payments actually flow, and turning "we should really do this" into things that are live. Our Tech Stack Node.js / TypeScript Python MongoDB, MySQL, Typesense Amazon AWS, Kubernetes What you'll do Own and improve our Lightning Network and Bitcoin payment infrastructure, from everyday upgrades and fixes to to larger improvements across the stack Work hands-on with Lightning implementations (LND, CLN, or similar), payment channels, and liquidity management Analyze how our Lightning payments flow, including forensic work after incidents, and build monitoring and policies on top Strengthen the security of our crypto systems: key management, HSMs, and how we safeguard funds Help us get crypto transaction accounting right, working with the finance team so our books reflect how Bitcoin actually moves Evaluate and