Senior Java Backend Engineer — iGaming Payments (Madrid)

Pentasia; Madrid; Híbrido; EUR 70.000 - 110.000; Jornada completa

Descripción de la vacante

Pentasia is seeking a Senior Java developer to build and scale core platform services in a distributed, event-driven environment. The role focuses on creating reliable, high-performance systems including APIs, asynchronous workflows, and distributed transactions.

You will ensure data integrity, observability, testing, security, and CI/CD practices while collaborating with engineering, DevOps, and compliance teams.

Formación

• 8+ years of experience with Java
• 5+ years with Spring, Springboot and Microservices
• 1+ years of experience within the payments, iGaming or FinTech industry
• 1+ years of experience with platforms integrations and payments gateway
• 2+ years of experience with Kafka or RabbitMQ

Responsabilidades

• Develop and maintain core backend services (identity, transactions, data integrity) within an event-driven architecture.
• Build reliable, asynchronous workflows and high-performance APIs with proper versioning and consistency guarantees.
• Implement distributed transactions, concurrency controls, and resilience patterns to ensure system stability and correctness.
• Manage database evolution, security (auth/authz), testing, and observability across services.
• Contribute to internal tools, CI/CD, infrastructure, and leverage AI tools to enhance development efficiency.

Conocimientos

Java

Spring

Microservices

Payments

Integrations

Kafka/RabbitMQ

Herramientas

Kafka

RabbitMQ

Descripción del empleo

Pentasia is seeking a Senior Java developer to build and scale core platform services in a distributed, event-driven environment. The role focuses on creating reliable, high-performance systems including APIs, asynchronous workflows, and distributed transactions.

You will ensure data integrity, observability, testing, security, and CI/CD practices while collaborating with engineering, DevOps, and compliance teams.