Senior Java Engineer - Payments & Instant Payments | Distributed Systems

Are you excited by building real-time, high-volume payment systems that process millions of transactions every day? In this role, you'll work on mission-critical payment platforms powering Instant Payments and SEPA Credit Transfers across Europe. You'll use modern Java, reactive microservices, and event-driven architectures while playing a key role in technical delivery, system resilience, and mentoring fellow engineers.

About the role

As a Senior Software Engineer - Payments & Instant Payments, you will be part of a high-performing engineering team responsible for developing and maintaining large-scale payment settlement services. The platform connects multiple European entities with clearing houses and account management systems, requiring high availability, security, and performance.

You will contribute hands-on to building and evolving distributed payment systems while guiding teams on best practices around resilience, observability, and secure software design. The environment is agile, DevOps-oriented, and focused on continuous improvement.

Key responsibilities include:

• Designing, developing, and extending payment processing services using modern Java and Spring-based frameworks
• Implementing and migrating payment functionality across multiple European entities
• Building distributed, message-driven microservices with a strong focus on availability and fault tolerance
• Applying resilience, observability, and security best practices across the platform
• Mentoring engineers and contributing to technical standards and engineering excellence

Location & perks

• Hybrid working model (36 hours per week, with 2 days in office)
• International, collaborative engineering environment
• Strong focus on learning, innovation, and long-term growth

About you

• 7+ years of professional experience with Java 25 and Spring
• Banking experience: Payments Domain
• Strong background in distributed systems and event-driven architectures
• Experience with messaging platforms such as Kafka and/or Pulsar
• Knowledge of Oracle
• Solid understanding of resilience patterns and high-availability systems
• DevOps mindset with experience in CI/CD pipelines
• Security-aware approach to software design
• Strong communication skills and confidence mentoring others

About Levy Professionals

Since 2000, Levy Professionals has been providing professional solutions to organizations ranging from tech start-ups to global enterprises. From our offices in Amsterdam and London, we have built a strong international and local network of skilled professionals and contractors. With a focus on quality, personal attention, and long-term partnerships, we consistently connect top talent to impactful and challenging projects across Europe.