Senior FinTech Payments Engineer - Ledger & Settlement

MaxIT Consulting - Max Corporate Group; Madrid; Remote; EUR 90,000 - 120,000; Full time

Job summary

MaxIT Consulting – Max Corporate Group is seeking a Senior FinTech Engineer – Payments & Financial Systems to join a fast-growing New York fintech company building banking, payments, and settlement infrastructure for US prediction markets and regulated gaming. The role focuses on backend systems that move, reconcile, and maintain money in production.

You will work on financial infrastructure where data integrity, reliability, and real-time processing are critical, with a preference for

Qualifications

• 6+ years of professional backend engineering experience.
• Production ownership of systems that directly move or manage money.
• Experience working in payments, banking, brokerage, trading, neobank, or closely related financial product company.
• Hands-on experience with distributed and/or event-driven systems in production.
• Strong SQL skills.
• Experience designing ledger-style, transactional, or financial data models; understanding of production reliability and financial correctness.
• Ability to operate autonomously as a senior individual contributor.
• Current residence and legal authorization to work in Spain.

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 and engineering teams in a small, distributed environment.
• Contribute to architecture decisions as the financial platform and engineering organization scale.

Skills

Distributed systems

SQL

Production ownership

Autonomous senior IC

Financial-services background

Payments knowledge

Job description

MaxIT Consulting – Max Corporate Group is seeking a Senior FinTech Engineer – Payments & Financial Systems to join a fast-growing New York fintech company building banking, payments, and settlement infrastructure for US prediction markets and regulated gaming. The role focuses on backend systems that move, reconcile, and maintain money in production.

You will work on financial infrastructure where data integrity, reliability, and real-time processing are critical, with a preference for