Senior FullStack Java Developer (M/F)
Published on 14/12/2025
TMC Luxembourg
- Capellen
- IT Consulting
- IT Development
You will join the team to develop and maintain high-performance, scalable fullstack web applications using Java/Spring Boot for the backend and Svelte for the frontend. Your mission includes creating modern, intuitive user interfaces, designing and integrating robust RESTful APIs, participating in code reviews and deployments, collaborating with product, UX/UI, and infrastructure teams, and applying best practices in development, security, and performance.
What we expect from you
- Minimum 7 years of experience in software development with strong Java and Spring Boot expertise
- Proven experience with Svelte or equivalent frontend frameworks (React, Angular, Vue.js)
- Skilled in designing, implementing, and consuming RESTful APIs
- Ability to translate UX/UI designs into functional, accessible, and high-performing applications
- Familiarity with agile methodologies, automated testing, code reviews, and CI/CD pipelines
- Strong understanding of software performance, security, and development best practices
- Excellent communication, collaboration, and problem-solving skills
- Fluent in English
What you can expect from us
Our Employeneurship model is unique and represents true innovation in the high-tech consulting sector. It’s THE working relationship of the 21st century for highly skilled technical professionals. It is built around 5 key pillars:
- You will have a permanent employment contract that provides stability and security,
- You will learn your market value and benefit from the profits generated by your work through individual profit sharing,
- We will support you with personalized coaching and a training plan designed to help you develop your entrepreneurial skills,
- Our structure of technical competence cells will provide you with a strong, meaningful, and relevant network of experts,
- The Entrepreneurial Lab will offer you a playground to explore new ideas and potentially be involved in launching start-ups.
