Senior Java Backend Tech Lead - Modernization Project in Nantes

Further Details

Seeking an experienced Tech Lead Backend Java for a strategic modernization project in Nantes. This private sector role involves migrating core services to a modern architecture, including new backend service development, REST API design, and batch processing. The position emphasizes hands-on development, architectural input, and team mentorship. You will contribute to building a new database and ensuring system reliability and performance. The project aims to enhance a vital mobile solution for a major distribution network, offering significant career development prospects. Explore these vacancies with competitive benefits. Key responsibilities include understanding existing technical landscapes, defining target architectures, and implementing foundational technical components. Successful candidates will benefit from these JR France Client / Employer NORGAY employment opportunities. You will design and develop reference components like REST APIs, web services, and Java batch jobs, while coaching the development team on best practices. Participation in technical decision-making, code reviews, and Merge Request validation is crucial. This role encourages the integration of AI where it adds value and may involve work on Kotlin components based on your profile. The position is based in Nantes with a CDI contract.

Senior Java Backend Tech Lead Opportunities in Nantes

JR France, on behalf of its client NORGAY, is seeking a highly skilled Senior Java Backend Tech Lead for a significant modernization project located in Nantes, France. This pivotal role is central to a strategic initiative aimed at transforming a critical mobile solution used by a major distribution network. The project involves migrating legacy central services to a state-of-the-art application architecture. Successful candidates will be instrumental in designing and developing new backend services, crafting robust REST APIs, and implementing efficient batch processing functionalities. This is a unique opportunity to contribute to the creation of a new database infrastructure and significantly enhance system capabilities.

The position demands a blend of technical leadership, architectural vision, and hands-on development expertise. You will immerse yourself in the existing technical landscape, contribute to defining the future architectural roadmap, and establish the necessary technical foundations within the continuous integration pipeline. This role requires a proactive approach to driving quality, performance, and resilience in all developed solutions, with an emphasis on modern Java practices (Java 17 minimum) and the Spring ecosystem. Integration of Artificial Intelligence will be encouraged where it demonstrably enhances project value. This is a CDI contract with a January 4, 2027 start date.

• Job Title: Tech Lead Backend Java
• Location: Nantes, France
• Company: NORGAY (via JR France)
• Employment Type: CDI (Permanent Contract)
• Key Technologies: Java 17+, Spring Boot, Spring Batch, REST APIs, Relational Databases
• Responsibilities: Architecture design, backend development, team coaching, CI/CD integration, performance assurance
• Start Date: January 4, 2027

Skills

• Modern Java development (Java 17+)
• Spring and Spring Boot ecosystem
• REST API design and development
• Batch processing with Spring Batch
• Relational databases
• Testing practices
• Continuous integration
• Code review best practices
• Architectural decision-making
• Team mentorship

Duties and Responsibilities:

• Understand existing technical, functional, and application environments
• Participate in project scoping and defining target application architecture
• Initialize components in the continuous integration chain
• Implement foundational technical elements
• Design and develop reference components: REST APIs, web services, Java batch jobs
• Coach the development team on Java best practices
• Participate in technical choices, code reviews, and Merge Request validation
• Actively contribute to the development of new backend components and the database
• Define and execute tests, handle acceptance and deployment feedback
• Produce technical documentation and prepare for production deployment
• Ensure performance, robustness, resilience, and maintainability of developed solutions
• Integrate AI into development work where value is added
• Potentially evolve Kotlin components based on profile

How to apply

• Application Method: Visit the official eurojobs.com website and navigate to the specific job listing using the provided reference number or URL.
• Application Link:Click here to apply directly.
• Required Documents: Ensure your Curriculum Vitae (CV) is up-to-date and highlights your experience in modern Java development, Spring ecosystem, API design, batch processing, and team leadership.
• Deadline: All applications must be submitted by the closing date of December 28, 2026. Late submissions will not be considered.
• Job Reference: Keep the job reference number 60254202818147123232760 handy for any inquiries.
• Contract Type: This is a permanent CDI contract based in Nantes.
• Start Date: The ideal candidate would be available to commence on January 4, 2027.