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TMC Luxembourg

Senior Java Developer (Security Team)

TMC Luxembourg
Luxembourg · Full-time · Mid-Senior

You will join the Security Development Team responsible for designing and developing secure backend and web solutions used in critical environments. The mission focuses on building and maintaining authentication, identity, and security-related services, ensuring high standards of reliability, scalability, and compliance. You will work in a modern, cloud-ready, and security-driven ecosystem, collaborating with international teams in an Agile environment.


What we expect from you

  • Minimum 6 years of professional experience as a Software Developer
  • Strong expertise in object-oriented analysis and software design
  • Solid backend development experience with Java 8 or higher
  • Proven experience in API development (REST, SOAP, gRPC)
  • Practical experience with authentication protocols (OAuth2, OIDC, Passkeys, TOTP)
  • Strong knowledge of security concepts (PKI, X.509, encryption, JWT)
  • Experience with cloud platforms or DevOps environments (AWS, Azure, GCP, Docker, Kubernetes, OpenShift, etc.) is an asset
  • Strong analytical skills with the ability to identify issues and propose effective solutions
  • Fluent English; French and/or German is considered a nice-to-have


What you can expect from us

Why choose Employeneurship?


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.

Key Skills

Ranked by relevance

cloud kubernetes docker devops java aws gcp
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Posted
Jan 05, 2026
Type
Full-time
Level
Mid-Senior
Location
Luxembourg

Industries

Business Consulting Services

Categories

Information Technology

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