Senior Java Backend Developer (Fintech)

TL;DR

Senior Java Backend Developer (Java/Spring Boot): Building a mission-critical financial transaction platform with an accent on high-performance backend services and distributed systems. Focus on designing scalable cloud-native architectures and driving automation across the full deployment lifecycle.

Location: Amsterdam, North Holland

Company

Professional solutions provider connecting skilled talent to projects ranging from tech start-ups to global players since 2000.

What you will do

• Design and build high-performance backend services in a cloud-native environment.
• Develop distributed systems utilizing asynchronous communication and resilience patterns.
• Drive automation across the full software lifecycle, from development to deployment and testing.
• Contribute to key architecture decisions to ensure production-grade quality.
• Build and manage APIs for internal and external integrations to handle high-volume transaction routing.

Requirements

• 6 to 10 years of experience in Java backend development with a strong architectural understanding.
• Proficiency with Java 21, Spring Boot, and JAX-RS frameworks.
• Hands-on experience with Kubernetes or OpenShift in cloud-native environments.
• Solid knowledge of CI/CD tooling, specifically Git, Maven, and Azure DevOps.
• Experience with NoSQL databases (Cassandra), Kafka, and ElasticSearch.
• Fluent English proficiency with strong communication skills.

Nice to have

• Experience working within high-volume transaction or payments environments.

Culture & Benefits

• Work in a highly technical environment focusing on reliability, scalability, and performance.
• Collaborate within a fully agile and DevOps-driven team.
• Opportunity to work on a large-scale system processing millions of transactions daily across Europe.
• Access to an international network of skilled professionals and contractors.