Senior Java Full Stack Developer

Requirements

• Backend: Java 11+; Spring Boot; Spring Batch; Hibernate / JPA
• Frontend: Angular; React
• APIs & arch.: REST APIs; Microservices; RabbitMQ; Kafka
• Data: PostgreSQL; SQL Server; Oracle; MongoDB; Cassandra
• Tests: JUnit; Mockito; Jest
• DevOps: Git / GitLab / GitHub; Jenkins; SonarQube; Docker; Kubernetes
• Security: Keycloak; OWASP; SSL/TLS
• AI / LLM: LLM API integration; Automation / doc generation; Spring AI or LangChain4j
• Softskills: Clear communicator - Analytical - Clean code-oriented - Technical curiosity
• Nice-to-have: Terraform / Ansible / Helm - Python scripting - Grafana / ELK stack - Distributed architectures
• 🌈 Partner with a multi-awarded, Best Workplace & premium consulting company in Luxembourg. Devoteam Luxembourg offers a vibrant work culture that promotes innovation, knowledge sharing, and continuous learning. When you join our team, you will enjoy:
• 🚀 Continuous Growth. Surf with the latest trends, top experts, and extensive growth opportunities through mentoring, strong cloud partnerships (Microsoft, ServiceNow, ..), local Training Center, certification programs, communities and our Power Skills Academy;
• 🌍 Be part of something bigger. Work for a company that values social impact, sustainability, and digital inclusion. Our CSR strategy will empower your ideas through the Devoteam Foundation and its volunteering possibilities;
• 🤝 Team Diversity. Join a group of tech-enthusiasts from 30 diverse nationalities where togetherness & celebrating successes are paramount.
• Devoteam stands for equal opportunities. We are convinced that diversity contributes to the creativity, dynamism and excellence of our organization. All our positions are open to people with disabilities.
• If you do not feel fully confident that you meet the requirements above, please don't worry. Just apply. Together we'll discover what you can bring to the table, in which role you would fit best and how you could potentially grow at Devoteam.

Additional Information

We are seeking a versatile Senior Java Full Stack Developer to join our Creative Tech Department . You will play a crucial role in the complete lifecycle of our client's applications, contributing to both new development projects and essential ongoing support. This includes exploring the integration of emerging technologies, including AI components. Your key responsibilities Analyze user needs and propose adapted technical solutions; Design and develop robust, secure REST APIs and full-stack features; Write and maintain unit, integration, and automated tests (back + front); Drive continuous improvement through CI/CD, code reviews, and observability; Lead or contribute to AI/LLM integration projects across the stack; Collaborate with architects, product owners, and developers in Agile squads; Contribute to documentation, functional validation, and tech watch.

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