Senior Java Developer

Remote

Posted at 2025

About the role

We are looking for a “Senior Java Developer” with the following qualifications:

Responsibilities

• Develop and maintain backend services using Java and the Quarkus framework.
• Implement fine-grained access control (FGAC) solutions using OpenFGA integrations.
• Integrate microservices with Keycloak for authentication and authorization.
• Design and implement REST and gRPC APIs with clean architecture principles.
• Develop applications that run in Kubernetes environments and create Helm charts for deployment.
• Collaborate with frontend developers to ensure seamless integration.
• Write clean, scalable, and maintainable code following best practices.
• Optimize application performance and troubleshoot issues.
• Leverage Infinispan for caching in microservices and manage HotRod server connections.
• Participate in code reviews and mentoring junior developers.

Requirements

• 5+ years of experience in Java development.
• Strong expertise in Quarkus or similar frameworks.
• Proficiency in designing REST and gRPC APIs with performance optimizations.
• Hands-on experience with Keycloak and OpenFGA.
• Familiarity with Docker, Kubernetes, and Infinispan for caching.
• Knowledge of secure coding practices and performance optimization.