Fullstack Developer (Java/Kotlin + React)

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 seeking an experienced Fullstack Developer to join a team building modern, scalable solutions used by retailers and service advisors globally. The platform enables efficient resale operations by delivering accurate, optimized information to end users.

As a Fullstack Developer, you will be part of a cross-functional team that owns the entire application lifecycle—from development to production. You will work hands-on across both frontend and backend, contributing to the design, development, and maintenance of a high-quality, scalable system.

You will collaborate closely with other engineers in a shared codebase, contributing to a micro frontend and microservices architecture. The role also involves continuously improving system performance, stability, and scalability, as well as integrating with internal and external services and enhancing development practices.

Key Responsibilities:

• Design, develop, and maintain scalable fullstack applications

• Contribute to both frontend (micro frontends) and backend (microservices) development

• Collaborate with team members in a shared codebase and participate in technical discussions

• Improve system performance, reliability, and scalability

• Integrate with internal and external services and APIs

• Contribute to CI/CD pipelines and modern development workflows

• Continuously enhance code quality, architecture, and best practices

Requirements:

• Strong backend development experience using Java, Kotlin, or similar

• Solid frontend development experience with React or similar frameworks

• Experience working with cloud platforms (preferably AWS)

• Proven experience with microservices architecture

• Familiarity with CI/CD pipelines and modern development practices

• Experience with trunk-based development

• Hands-on experience with event-driven systems (e.g., Kafka)

• Proficiency in leveraging AI-assisted and agentic workflows as part of daily development

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