Spain | Remote | Senior Engineering Opportunity MaxIT Consulting – Max Corporate Group is looking for a Senior Backend Engineer, Payments and Ledger to join a fast-growing New York fintech company building banking, payments, and settlement infrastructure for US prediction markets and regulated gaming. The company operates financial infrastructure that has already processed more than USD 2 billion, supporting accounts, card products, payment rails, and real-time settlement. The engineering organization is scaling rapidly and is looking for senior individual contributors with substantial financial-services experience. About the Role This is a senior backend engineering position focused on systems that move, reconcile, and maintain money in production. You will work on financial infrastructure where correctness, reliability, data integrity, and real-time processing are fundamental. The idóneo candidate has already built and operated systems inside a payments company, bank, neobank, brokerage, trading platform, or comparable financial product organization.



The specific technology stack is not the primary selection criterion. Deep financial-services experience, distributed-systems knowledge, and ownership of production systems are more important than expertise in one particular programming language. Key Responsibilities * Design, build, and operate backend systems supporting accounts, payments, balances, cards, and settlement flows. * Develop highly reliable services for systems that move money in production. * Build and maintain distributed and event-driven architectures. * Design robust ledger-style data models and transaction workflows. * Work extensively with SQL, relational databases, reconciliation, and consistency requirements. * Own backend services from technical design through deployment, monitoring, and production operation. * Investigate complex production issues involving financial state, event processing, and transaction integrity. * Collaborate with product

📌 Senior Backend Engineer, Payments and Ledger (Comunidad de Madrid)
🏢 MaxIT Consulting - Max Corporate Group
📍 Comunidad de Madrid