Senior Software Engineer, Fiat Payments & Banking Infrastructure

About the Job […] is looking for a Senior+ Software Engineer to architect and build our fiat payment systems, scaling our gateway to Finance 2.0. We are a high-performing team looking for an equally ambitious and driven teammate. The right candidate for this position is detail-oriented, deeply technical, and driven by the challenges of complex financial systems.

You are eager to build secure, resilient, and highly scalable banking infrastructure. If you are looking to have a massive impact in a high-growth startup bridging the gap between traditional finance and digital assets, you will find this role uniquely challenging and rewarding. Role Objectives & Focus This senior-level role focuses intensely on the backbone of our financial infrastructure: Fiat Payments: Building and maintaining robust fiat rails such as ACH, RTP, FedNow, RFP in the US, and SEPA in Europe.

Banking Infrastructure: Direct API integrations with top-tier banking partners. Treasury Management: Developing sophisticated software to autonomously manage and reconcile balances across banking networks. Operational Tooling: Creating internal tooling to streamline financial operations and scale our capacity to handle millions of transactions securely.

Lead the architectural design and hands-on development of our global fiat payment rails (ACH, RTP, FedNow, Request for Pay, and SEPA). Architect, implement, and scale seamless API integrations into our banking partners' systems. Design and buil