We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions. With over 8,000 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality. We are looking for a Senior Java Developer help design, build, and maintain scalable, high-quality web applications. You will work across the entire stack, from modern frontend interfaces to robust backend services, collaborating closely with product, design, and other engineering teams. Responsibilities: Design, build, and maintain backend services using Java 17/21 and Spring Boot. Implement and evolve REST and gRPC APIs following best practices and versioning standards. Ensure service reliability through unit/integration tests, troubleshooting, and root-cause analysis. Work with PostgreSQL (schema design, performance tuning) and integrate with caching layers (Redis). Build and debug containerized services using Docker and deploy them on Kubernetes (GKE). Apply security fundamentals: OAuth2/OIDC, JWT validation, RBAC, and secure coding practices. Collaborate with cross-functional teams, ensuring clear communica