Java Software Engineer

The mandate is looking for a senior developer with 12 years of experience who can jump right in on existing Java, Spring, and AWS code to tackle technical debt and fix vulnerabilities, rather than someone focused on developing new features.The Mythos context and repeated mentions of security posture, vulnerability management, and technological upgrade point to a role centered on actively modernizing an existing application portfolio, not just a standard maintenance job.The note about AI-assisted development practices, while not a dealbreaker, makes it clear the client is interested in candidates comfortable using these tools in a secure development setting.The profile combines precise technical expertise (Java, Spring, AWS, microservices, distributed or event-driven architecture) with the ability to shape an automated testing strategy, setting it apart from a regular generalist application developer. Requirements Requirement Bachelor’s degree in computer science or an equivalent disciplineMinimum 12 years of experience in software development, including enterprise application modernizationExcellent proficiency in JavaSignificant experience with the Spring ecosystem (Spring Boot, Spring Framework, Spring Security)Significant experience in API development and microservices architecturesHands-on experience with AWS, including managed services and serverless technologiesExperience with distributed or event-driven solutionsExperience with CI/CD tools and practicesImplementation of an automated testing strategy (unit, integration, regression, and UI testing)Experience in reducing technical debt and modernizing applicationsExperience in vulnerability management and secure software developmentProficiency in French, both written and spokenPREFERRED Knowledge of AI-assisted development practices in a secure environmentExperience working in an Agile environment WHAT WE DON'T WANT Less than 12 years of experience in software development.No hands-on experience modernizing existing applications, only developing new features.No practical experience with AWS, only theoretical knowledge.No experience with the Spring ecosystem.No experience in automated testing or continuous integration.Profile focused on organizational architecture without direct coding involvement (should be redirected to the solutions architect position in the set of 5 requests).