Senior Java Developer
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Summary
Senior Java Developer joining Eurowag's internal FinTech platform team (TBM) that processes millions of fuel, toll, eMobility, and payment transactions monthly across Europe. Day to day: design and build backend services with Java 21, Quarkus, Kafka, and Azure, owning them through production monitoring and incident resolution.
We are looking for a Senior Java Developer to join the team behind TBM, Eurowag’s internal FinTech platform that processes millions of financial transactions every month across fuel, toll, eMobility, and payment services for our pan-European transportation business.
This is an opportunity to build and operate services that handle real money flows at scale. You will own the entire lifecycle of the solutions you create, from architecture and development to production operations and continuous improvement.
You'll work on a business-critical platform processing 8+ million transactions every month using a modern technology stack including Java 21, Quarkus, Kafka, and Azure.
Bonus Knowledge:
Work-Life Balance: Enjoy flexible hours, the option to work from home, 5 weeks of vacation, 3 health days, and an extra day off to celebrate our company’s anniversary.
Benefits Package: Contribution to flexible benefits (Benefit Plus) that you can use for things like technology, multi-sport card, beauty, sports, travel, health services, or even pension contributions.
Rewards & Development: Earn up to 1000€ for referring a new colleague, access over 5,000 courses, join online language lessons, and enjoy performance-based bonuses. You’ll also have a personal budget to choose courses or conferences that help you grow professionally.
Supportive Environment: Take a day off to volunteer, use our free anonymous psychological counseling service, and enjoy access to our company’s products.
Modern Workplace: Work in a comfortable office with ergonomic furniture, a sunny summer terrace, and plenty of perks like free coffee, tea, and fresh orange juice every day. Our office is pet- and kid-friendly, has no dress code, and offers a discounted on-site restaurant. You can also park nearby at a discounted rate.
Community & Well-Being: Join in on philanthropy projects, where you can support a charity or non-profit organization of your choice with company-matched donations. Have fun at our team-building events, hackathons, Christmas parties, or summer celebrations.
Diversity & Inclusion: We’re committed to creating a workplace where everyone feels welcome, with fair recruitment practices that offer opportunities to all.
This is an opportunity to build and operate services that handle real money flows at scale. You will own the entire lifecycle of the solutions you create, from architecture and development to production operations and continuous improvement.
You'll work on a business-critical platform processing 8+ million transactions every month using a modern technology stack including Java 21, Quarkus, Kafka, and Azure.
Responsibilities
- Design, develop, and maintain backend services using Java and Quarkus
- Write clean, maintainable, and testable code with comprehensive test coverage across unit, integration, and end-to-end testing
- Take ownership of your services in production, including monitoring, alerting, troubleshooting, and incident resolution
- Participate in code reviews, mentor fellow engineers, and contribute to architectural decision-making
- Work on mission-critical financial transaction flows with high standards for security, reliability, and compliance
Requirements
- 5+ years of professional experience with Java (17/21)
- Hands-on experience with reactive programming (Quarkus/Mutiny or Spring WebFlux)
- Experience working with both SQL and NoSQL databases
- Strong understanding of Apache Kafka and event-driven architectures
- Experience with cloud platforms, preferably Microsoft Azure
Bonus Knowledge:
- Experience building or maintaining financial, payment, or transaction-processing systems
- Knowledge of Infrastructure as Code (IaC) tools, particularly Pulumi
- Experience with production support, incident response, and on-call responsibilities
- Active use of AI-assisted development tools such as GitHub Copilot or Claude Code, and a passion for knowledge sharing within engineering teams
Benefits
We care about your well-being and professional growth. Here’s what we offer to make your experience with us truly rewarding:Work-Life Balance: Enjoy flexible hours, the option to work from home, 5 weeks of vacation, 3 health days, and an extra day off to celebrate our company’s anniversary.
Benefits Package: Contribution to flexible benefits (Benefit Plus) that you can use for things like technology, multi-sport card, beauty, sports, travel, health services, or even pension contributions.
Rewards & Development: Earn up to 1000€ for referring a new colleague, access over 5,000 courses, join online language lessons, and enjoy performance-based bonuses. You’ll also have a personal budget to choose courses or conferences that help you grow professionally.
Supportive Environment: Take a day off to volunteer, use our free anonymous psychological counseling service, and enjoy access to our company’s products.
Modern Workplace: Work in a comfortable office with ergonomic furniture, a sunny summer terrace, and plenty of perks like free coffee, tea, and fresh orange juice every day. Our office is pet- and kid-friendly, has no dress code, and offers a discounted on-site restaurant. You can also park nearby at a discounted rate.
Community & Well-Being: Join in on philanthropy projects, where you can support a charity or non-profit organization of your choice with company-matched donations. Have fun at our team-building events, hackathons, Christmas parties, or summer celebrations.
Diversity & Inclusion: We’re committed to creating a workplace where everyone feels welcome, with fair recruitment practices that offer opportunities to all.