Job Summary: EADTrust is seeking a Senior Java Developer with solid experience and strong autonomy to work on cutting-edge projects in cryptography and legal tech, taking full ownership of the end-to-end development lifecycle. Key Highlights: 1. Role with career progression and potential for team leadership 2. Product environment featuring varying levels of technological maturity 3. Opportunities for professional development and continuous training At EADTrust, we develop cutting-edge solutions in cryptography and legal tech, and we are looking for a Senior Java Developer with strong technical expertise and autonomous working capabilities to assume full responsibility for developing robust enterprise solutions. The ideal candidate will combine a solid technical foundation in Java environments, a problem-solving and results-oriented mindset, and the ability to operate autonomously within a product ecosystem characterized by varying degrees of technological maturity. They must feel comfortable working both on the evolution of established (legacy) systems and on the development of new products, understanding the priorities and specificities of each. Candidates with experience in highly regulated sectors—where development quality, traceability, and security are top priorities—will be especially valued. This is a role offering clear internal growth potential, with real opportunities to evolve into a team leadership position as the department and projects expand. **Responsibilities:** * Independently manage the full software development lifecycle (analysis, design, implementation, testing, and deployment) for assigned projects. * Actively participate in architectural design and technical decision-making. * Maintain a holistic view across all products involved, ensuring technical consistency among them. * Review code from other team members during pair reviews prior to production deployment. * Balance legacy system modernization with advancement of new development initiatives. * Apply sound programming practices and contribute to a culture of continuous improvement. * Collaborate with Product Owners, QA, Systems, and other departments to ensure timely and correct project delivery. **Minimum Requirements:** * Solid experience (minimum 3 years) in Java / Spring Boot development. * Demonstrated ability to work independently and manage end-to-end projects autonomously. * Familiarity with frameworks and tools such as Spring and Git. * Experience with REST APIs, relational databases (MariaDB), and cloud environments (AWS, Azure, GCP). * Experience working with agile methodologies (Scrum, Kanban). * Knowledge of CI/CD. **Preferred Qualifications:** * Experience in regulated sectors or in developing products subject to security and compliance regulations. * Knowledge of secure development practices and familiarity with trust services and eIDAS and eIDAS2\ regulations. * Experience with Docker, Kubernetes, or microservices architectures. * Experience designing scalable and secure architectures. * Intermediate or advanced level of English. **We Offer:** * Permanent contract and integration into an innovative, long-term project. * Opportunity to work in an environment with products at various stages of technological maturity, combining legacy modernization and new solution development. * Potential to grow into a technical team leadership role. * Collaborative, dynamic, and pragmatically oriented work environment. * Opportunities for professional development and continuous training. * Hybrid work model. * Competitive salary commensurate with experience.