Senior Java Developer / Tech Lead (Keycloak, IAM)

Job Description

• HITCONTRACT Our roots run deep in IT leadership, meaning we know exactly what it takes to hire the right talent or help you land the perfect role. We pride ourselves on being a small, agile agency that quickly adapts to market needs. This structure allows us to foster close, high-quality relationships with both our clients and candidates, ensuring every customer feels like "The client." Our partners consistently tell us we provide the highest quality candidates they've found. 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).
• €40 - €50 an hour Duration 12 months. Baltic States (remote, priority for Baltics).
• We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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