Senior Java Developer
Confirmed on the employer's own hiring board on Oct 3, 2026. First seen by Alion on Oct 2, 2026. Justera Group scores A on the Alion truth index.
About Justera Group
Justera Group AB is a leading Swedish IT consulting firm with great experience specializing in building high-performing technology teams and delivering end-to-end IT solutions. Led by dynamic female executives, Justera Group focuses on helping businesses harness the power of digital technologies to continuously evolve in today’s rapidly changing economy. The company has deep expertise in IT consultancy, software development, and recruitment services, providing clients with purpose-driven, well-trained consultants who consistently deliver efficient and effective results. Justera Group manages the entire talent lifecycle, from hiring to ongoing management, ensuring the right fit for each project on time and within budget. With their strong commitment to quality, collaboration, and client success, Justera Group is a trusted partner for technology innovation across Sweden.
About the Role:
We are looking for an experienced Senior Java Developer to join a team working on a business-critical fund trading platform. The team is rebuilding a solution for processing mutual fund orders across the Nordic market.
The role combines backend development, integrations, and a strong focus on automated testing and software quality. You’ll work closely with developers, DevOps and Product Management to build reliable, scalable and maintainable solutions.
Key Responsibilities:
Design, develop and maintain scalable backend services, microservices and integrations
Develop microservices using Java 21 and Spring Boot
Work with REST APIs, Kafka and Microsoft SQL
Write clean, maintainable and testable code using solid object-oriented design principles
Build and maintain automated tests covering functional, integration, API and regression scenarios
Work with JUnit and Cucumber and contribute to test automation frameworks
Validate APIs, Kafka event flows and database integrity
Contribute to CI/CD pipelines and reliable test execution
Troubleshoot issues, analyse test results and resolve defects
Collaborate with Product Management, DevOps and other developers
Continuously improve development, testing and delivery practices
Contribute to frontend development where needed, including React
Requirements:
Several years of professional experience in Java development
Strong experience with Java 21 and Spring Boot
Experience with microservices and REST APIs
Hands-on experience with Kafka
Experience with Microsoft SQL
Experience with JUnit and Cucumber
Strong understanding of automated testing, including integration, API and regression testing
Experience with CI/CD
Good understanding of object-oriented design principles and design patterns
Experience working with production systems and troubleshooting technical issues
Strong communication and collaboration skills
Fluent in English
Nice to have:
Experience with React
Experience with automated UI testing
Experience within financial services, trading or similar business-critical platforms
What We Offer:
A dynamic and innovative workplace driving advancements in cutting-edge robotic technologies
The opportunity to collaborate with talented cross-functional teams on meaningful and impactful projects
Competitive compensation and comprehensive benefits package
A supportive culture that fosters continuous learning, growth, and professional development
Flexible hybrid working model for an optimal work-life balance
25 days of annual leave to recharge and relax
An annual wellness allowance of 3,500 SEK to support your health and wellbeing