Senior Java Developer - Stockholm ( Sweden)
Posted Updated
Summary
Senior Java developer on a business-critical fund trading platform team building microservices for mutual fund order processing across the Nordic market. Day to day: Java 21/Spring Boot services, REST APIs and Kafka event flows, Microsoft SQL, plus automated testing (JUnit, Cucumber) wired into CI/CD pipelines.
Deadline - 08 Oct 2026
Senior Java Developer – Fund Trading Platform | Stockholm
We are looking for a Senior Java Developer to join a business-critical Fund Trading Platform team working on a modern solution for mutual fund order processing across the Nordic market.
Key Responsibilities
- Develop scalable microservices using Java 21 & Spring Boot
- Build and integrate REST APIs and Kafka-based event flows
- Work with Microsoft SQL and data integrity
- Write clean, maintainable and testable code using OOP, SOLID principles and design patterns
- Develop automated unit, integration, API, regression and functional tests
- Work with JUnit, Cucumber and test automation frameworks
- Integrate automated testing into CI/CD pipelines
- Perform API, Kafka, database and UI validation
- Troubleshoot defects and collaborate with Developers, DevOps and Product teams
- Contribute to continuous improvement and test automation
Required Skills
- Spring Boot & Microservices
- REST APIs
- Microsoft SQL
- JUnit & Cucumber
- Test Automation
- CI/CD
- Object-Oriented Design & Design Patterns
- Strong debugging and problem-solving skills
About Sperton
Sperton is an international recruitment and consulting firm that helps organizations find and attract qualified specialists and leaders in sectors such as infrastructure, technology, energy, and industry.