Senior Java Developer

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.

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.

Design, develop and maintain scalable backend services, microservices and integrationsDevelop microservices using Java 21 and Spring BootWork with REST APIs, Kafka and Microsoft SQLWrite clean, maintainable and testable code using solid object-oriented design principlesBuild and maintain automated tests covering functional, integration, API and regression scenariosWork with JUnit and Cucumber and contribute to test automation frameworksValidate APIs, Kafka event flows and database integrityContribute to CI/CD pipelines and reliable test executionTroubleshoot issues, analyse test results and resolve defectsCollaborate with Product Management, DevOps and other developersContinuously improve development, testing and delivery practicesContribute to frontend development where needed, including React

Several years of professional experience in Java developmentStrong experience with Java 21 and Spring BootExperience with microservices and REST APIsHands-on experience with KafkaExperience with Microsoft SQLExperience with JUnit and CucumberStrong understanding of automated testing, including integration, API and regression testingExperience with CI/CDGood understanding of object-oriented design principles and design patternsExperience working with production systems and troubleshooting technical issuesStrong communication and collaboration skillsFluent in English

Experience with ReactExperience with automated UI testingExperience within financial services, trading or similar business-critical platforms

A dynamic and innovative workplace driving advancements in cutting-edge robotic technologiesThe opportunity to collaborate with talented cross-functional teams on meaningful and impactful projectsCompetitive compensation and comprehensive benefits packageA supportive culture that fosters continuous learning, growth, and professional developmentFlexible hybrid working model for an optimal work-life balance25 days of annual leave to recharge and relaxAn annual wellness allowance of 3,500 SEK to support your health and wellbeing