Senior Fullstack Engineer
Confirmed on the employer's own hiring board on Sep 22, 2026. First seen by Alion on Sep 21, 2026. Justera Group scores B 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 a Senior Fullstack Engineer to join an exciting digital development team working on solutions that support store planning and commercial planning for a large international organisation.
In this role, you will work across both frontend and backend development, building a new digital hub that brings together planning tools, data, insights, and content into one seamless user experience. You will be responsible for delivering features end-to-end, from APIs and integrations to user-facing interfaces.
This is a great opportunity for an experienced fullstack engineer who enjoys working across the stack, collaborating closely with product and UX teams, and taking ownership of production-ready solutions.
Key Responsibilities:
Develop and deliver production-ready features across both frontend and backend
Build responsive and user-friendly interfaces using React and TypeScript
Develop backend services and integrations using Node.js and TypeScript
Design, develop and consume REST APIs and OpenAPI services
Connect data, planning tools and content from different systems into a coherent user experience
Work with databases and SQL to support application functionality and data flows
Build component-driven interfaces and contribute to design systems
Collaborate closely with Product, UX and engineering teams to develop solutions based on user needs
Work with existing architecture and contribute to its continuous improvement
Contribute to secure, scalable and cloud-based applications
Requirements:
Strong professional experience in fullstack development
Solid hands-on experience with React and TypeScript
Strong experience with Node.js and TypeScript
Good knowledge of REST APIs and OpenAPI / Swagger
Experience with database technologies and SQL
Experience integrating different systems and working with data flows
Experience with component-driven UI and design systems
Experience with cloud-hosted and containerised applications
Understanding of authentication, authorisation and secure application design
Familiarity with Infrastructure as Code and modern software engineering practices
Strong problem-solving skills and ability to work independently
Excellent communication and collaboration skills
Comfortable working closely with Product and UX teams
Nice to have:
Experience with Three.js, React Three Fiber, Autodesk APS or similar 3D technologies
Experience with headless CMS solutions such as Contentful
Experience with dynamic page rendering
Experience with event-driven architectures
Experience with observability tooling
Experience with AI-assisted development or AI integrations
Experience within retail, store planning or commercial planning
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