Senior Java Developer / Tech Lead (Keycloak, IAM)

We are looking for a Senior Java Developer / Tech Lead with strong Keycloak and IAM experience to join a long-term telecom project, focusing on authentication, authorization, and secure backend development.

Key Responsibilities:

• Develop backend services using Java, Spring Boot, and REST APIs
• Implement and support OAuth2 / OIDC-based authentication flows
• Configure and manage Keycloak (realms, clients, roles, token policies)
• Lead code reviews, mentor team members, and ensure high-quality delivery
• Build containerized applications using Docker
• Implement and support CI/CD pipelines
• Work with SQL databases (PostgreSQL / MySQL)

Must-Have Requirements:

• Strong hands-on experience with Java, Spring Boot, and REST APIs
• Deep understanding of OAuth2 / OIDC
• Proven production experience with Keycloak
• Experience with Docker and CI/CD pipelines
• Solid SQL and JPA / Hibernate knowledge
• Experience leading code reviews, mentoring, and delivery ownership
• Experience in telecom or fintech environments
• Fluent English

Nice to Have:

• Experience with Quarkus
• Knowledge of Kubernetes (Helm, Operators)
• Experience with Kafka / RabbitMQ
• Understanding of security best practices (OWASP, TLS, secrets)