Tech Lead Java (H/F) - Nantes

Tech Lead Java (F/H) – SFEIR Nantes

Location: Nantes. Employment type: CDI (full‑time). Work mode: Hybrid.

About the Role

Lead a technical team while continuing to code. Set the example in code quality, engineering practices and knowledge transfer, and balance technical decisions with a product focus.

Key Responsibilities

• Design modern, robust, and scalable architectures.
• Develop in Java 21+ and master the Spring Boot ecosystem.
• Consider performance, resilience, observability and scalability in every solution.
• Participate in product or platform strategic decisions.
• Mentor developers and support their technical growth.
• Conduct demanding yet constructive code reviews.
• Challenge technical choices when they add value.
• Promote and spread software‑engineering best practices across teams.
• Build Cloud‑Native architectures at large scale.
• Modernise strategic information systems for large accounts.
• Mentor technical teams and help them reach the next level.
• Create high‑volume backend platforms.
• Work on projects that combine Java, Cloud, Data and generative AI.
• Implement standards for quality, security and observability.
• Support adoption of new development practices enabled by AI.

Qualifications

• Proven experience designing and implementing scalable Java architectures.
• Solid mastery of Java 21+ and Spring Boot.
• Strong understanding of performance, resilience, observability and scalability.
• Experience in technical decision making for products or platforms.
• Hands‑on mentoring and coaching skills.
• Deep knowledge of code‑review best practices.
• Proactive in challenging technical choices that add value.

Benefits & Development Opportunities

• Access to RAISE, an internal multi‑LLM General‑AI platform.
• Regular guidance and mentorship from an Engineering Manager.
• Training and certifications aligned with your career ambitions.
• Immersive exposure to partnerships with Anthropic and Google Cloud.
• Active Java community with internal talks, meetups and labs.
• Strong culture of mentoring and knowledge sharing.
• Clear career pathway: Staff Engineer, Engineering Manager, Speaker, Trainer, Evaluator.

Compensation and Working Conditions

• Salary determined after technical evaluation (PlayOffs); reviewed annually.
• Hybrid model: 2–3 days on site and the rest remote.

SFEIR collects personal data to process your application. For more information, please see our privacy policy.