Senior Software Engineer

⚡ Senior Software Engineer – API Payments Infrastructure 🌍 Remote (US) 💲 $190k - $230k + Equity 📍 US Citizens or Green Card Holders OnlyThe CompanyStorm2's client is building the infrastructure behind modern money movement. Their platform handles payment processing, fraud prevention, compliance workflows, and the operational complexity that comes with moving funds across multiple jurisdictions and financial partners.This is a systems-heavy environment where reliability matters. The software doesn't support the business, it is the business. Every decision has a direct impact on the movement of real money and the customers depending on it.The RoleA lot of backend roles talk about distributed systems. This one genuinely is.The interesting part isn't building an isolated service or owning a single API. The challenge is understanding how payments, fraud, compliance, risk, and user management interact, then designing systems that stay reliable as transaction volumes grow and regulatory requirements change.The team is lean, highly collaborative, and remote-first. Engineers are trusted to make decisions, challenge assumptions, and drive architecture forward. If your favourite problems are the ones that involve multiple moving parts, competing constraints, and no obvious answer, you'll probably enjoy this environment.What you'll be working on:Designing and owning core financial systems across payments, fraud, compliance, and account managementBuilding backend services that process high transaction volumes with a strong focus on reliability, performance, and data integrityArchitecting distributed systems and event-driven workflows across multiple product domainsImproving resilience, observability, and operational efficiency across a microservices platformLeading technical discussions and influencing architectural directionWorking closely with product, operations, and compliance teams to translate business requirements into scalable technical solutionsMentoring engineers and helping raise the engineering standard across the teamWhat you'll bring:5+ years building and operating complex production software systemsStrong Python engineering experience in backend or platform environmentsDeep knowledge of distributed systems, microservices, and event-driven architecturesStrong computer science fundamentals, including data structures and algorithmsExperience solving problems that span multiple systems rather than a single codebaseAbility to make sound technical decisions while balancing business and engineering trade-offsComfortable operating in an environment with ownership, autonomy, and ambiguityStrongly preferred:Payments, fraud, risk, or compliance platform experienceKnowledge of AML, KYC, PCI DSS, or related regulatory frameworksExperience integrating with banking, fintech, or payment provider APIsBackground building high-scale transaction processing systemsExposure to complex financial services integrationsFinTech or broader financial services experienceExperience working on systems where auditability, reliability, and accuracy are non-negotiable📧 Click 'Easy Apply' or email alexandra.geldard@storm2.com⚡ Storm2 is a specialist FinTech recruitment firm with clients across Europe, APAC, and North America. Visit storm2.com or follow us on LinkedIn for the latest roles and intel.