Senior Java Software Engineer - Lille / Hybrid - Freelance (M/F)

About the role

A large group is looking for a Senior Backend Java developer to join an international product team dedicated to a customer loyalty platform. Missions : * Develop scalable microservices and APIs. * Participate in design and architecture choices. * Ensure quality, testing, CI/CD, and observability. * Contribute to deployments and incident management. Profile : * Minimum 6 years of experience. * Expertise in Java 21+, Spring Boot, and Kafka. * Proficiency in GCP, Kubernetes, CI/CD, and microservices architectures. * Knowledge of DDD, TDD, SOLID, and Clean Architecture. * Minimum B2 English. Conditions : Lille metropolitan area, 2 days of remote work per week. Remuneration : to be negotiated.