Senior Java Backend Engineer (Fintech)

TL;DR

Senior Java Backend Engineer (Java/Spring Boot): Building and evolving enterprise-grade backend systems for a global customer data platform in the financial services sector with an accent on Domain-Driven Design (DDD) and Hexagonal Architecture. Focus on modernizing legacy platforms into scalable services and ensuring system reliability for millions of users.

Location: Amsterdam, North Holland

Salary: Negotiable EUR / Year

Company

A leading company in the financial services sector focused on providing digital banking platforms globally.

What you will do

• Build and evolve scalable backend services for global customer data management.
• Modernize legacy platforms into maintainable domain-driven services.
• Own features end-to-end, from requirement discussions through design to production support.
• Contribute to technical design and architectural decisions across the platform.
• Perform code reviews and mentor engineers to improve overall team growth.
• Ensure production reliability by participating in stand-by support and release windows.

Requirements

• 8+ years of experience in backend software engineering.
• Strong hands-on expertise with Java 21+ and Spring Boot.
• Experience building enterprise-grade distributed systems and APIs.
• Deep understanding of Domain-Driven Design (DDD) and Hexagonal Architecture.
• Experience with CI/CD pipelines and production-grade software delivery.
• Strong communication skills for collaborating with technical and non-technical stakeholders.

Nice to have

• Experience in financial services or other highly regulated environments.
• Experience with Cassandra or similar distributed NoSQL databases.
• Knowledge of Azure and infrastructure-related engineering.
• Exposure to AI-assisted development workflows and modern engineering tooling.

Culture & Benefits

• High-impact environment with strong technical ownership and influence on direction.
• Focus on thoughtful engineering, long-term platform quality, and maintainability.
• Collaborative, proactive, and pragmatic team culture.
• Well-supported production operations with clear runbooks and compensation for stand-by duties.
• Opportunity to work on business-critical systems serving millions of users.