Lead Developer

Stack

Responsibilities

• ▹Develop applications
• ▹Follow up technically with 2-3 external service providers
• ▹Resolve incidents and provide application support
• ▹Contribute to DevOps topics and deployment automation
• ▹Propose improvements to architecture and development practices
• ▹Maintain and evolve LACROIX's application portfolio
• ▹Simplify and evolve the ESB (Enterprise Service Bus)
• ▹Take over technical expertise on the MES from the vendors

Requirements

• ▹Java (very strong command)
• ▹Angular
• ▹Basic knowledge of PHP and C#
• ▹GitLab CI/CD
• ▹Docker, Ansible
• ▹RabbitMQ, APIs, web services
• ▹Unit and integration testing
• ▹Good development practices
• ▹Microservices architecture
• ▹Engineering degree, master's (master 2) or equivalent
• ▹Proven experience in agile development
• ▹Use of AI-assisted development tools (e.g. Claude, Cursor)

Nice to have

• ▹Azure cloud environment
• ▹Management experience (not essential)

Soft skills

What we offer

• ▹High-impact role in a concrete industrial environment, with applications used directly in the field
• ▹Close proximity to business teams and production sites
• ▹A role that leaves plenty of room for development while gradually moving towards architecture and technical decisions
• ▹Support in taking on technical responsibility and steering vendors
• ▹A human-sized team where versatility, autonomy and initiative are truly valued

About the company

LACROIX designs and develops technology solutions for industry, with strong roots in the field. The group has 3,000 people across 10 countries and is headquartered in Saint-Herblain.