Senior Java Developer
Build reliable Java microservices and automated tests for a modern Nordic fund trading platform — using Java 21, Spring Boot and Kafka in a collaborative Stockholm team.
Location-Stockholm (SE)
Remote-25% (Hours per week - 40 )
Assignment period -16 Oct 2026 -09 Jan 2027
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
Java 21
Spring Boot & Microservices
REST APIs
Apache Kafka
Microsoft SQL
JUnit & Cucumber
Test Automation
CI/CD
Object-Oriented Design & Design Patterns
Strong debugging and problem-solving skills
Nice to Have: React, JavaScript/TypeScript, Selenium/Playwright/Cypress, Docker/Kubernetes, JPA/Hibernate, financial services or trading domain experience.
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.
- Department
- Consultant jobs
- Location
- Stockholm
- Remote status
- Hybrid
- Employment type
- Contract
- Employment level
- Executive/Senior Level
- Job location
- Stockholm
- Employment Level | Seniority
- Senior Level
Workplace & Culture at Sperton
At Sperton, we believe that great results come from great people.
Our culture is built on trust, collaboration, and a shared passion for delivering quality in everything we do.
We are a Norwegian-owned international company with colleagues across Europe, Asia, and the USA, working together seamlessly across time zones and cultures. Our teams are diverse, yet united by the same goal — to connect people and companies in meaningful ways.
We value openness, initiative, and continuous learning. Everyone at Sperton is encouraged to take ownership, share ideas, and challenge existing ways of working to make our solutions even better.
Even though we operate globally, our approach is personal. We take pride in creating a supportive and inclusive environment where people feel heard, respected, and motivated to grow — both professionally and personally.
