Senior Backend Engineer — Payments & Ledger (Remote, Spain)

MaxIT Consulting - Max Corporate Group; Madrid; A distancia; EUR 90.000 - 120.000; Jornada completa

Descripción de la vacante

MaxIT Consulting – Max Corporate Group is seeking a Senior Backend Engineer, Payments and Ledger to join a fast-growing fintech building banking, payments, and settlement infrastructure for US prediction markets and regulated gaming.

This role centers on designing and operating backend systems that move money, with emphasis on data integrity, reliability, and real-time processing. Ideal candidates have production ownership in payments, banking, neobank, or brokerage.

Formación

• 6+ years of professional backend engineering experience.
• Production ownership of systems that directly move or manage money.
• Experience in payments, banking, brokerage, or similar financial product companies.
• Hands-on experience with distributed or event-driven systems in production.
• Strong SQL skills and ability to design ledger-style data models.
• Ability to operate autonomously as a senior individual contributor.

Responsabilidades

• 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 with SQL, relational databases, reconciliation, and consistency requirements.
• Own backend services from design through deployment, monitoring, and production operation.
• Investigate complex production issues involving financial state and integrity.
• Collaborate with product and engineering teams in a small, distributed environment.
• Contribute to architecture decisions as the platform scales.

Conocimientos

Backend engineering

Distributed systems

SQL

Autonomy

Herramientas

Relational databases

Descripción del empleo

MaxIT Consulting – Max Corporate Group is seeking a Senior Backend Engineer, Payments and Ledger to join a fast-growing fintech building banking, payments, and settlement infrastructure for US prediction markets and regulated gaming.

This role centers on designing and operating backend systems that move money, with emphasis on data integrity, reliability, and real-time processing. Ideal candidates have production ownership in payments, banking, neobank, or brokerage.