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Bonapolia career site
Software Development · Lithuania · Fully Remote

P591: Senior Java Developer


The candidate should be based in Lithuania!

Role Overview:
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):


    📩 Ready to Join?
    We look forward to receiving your application and welcoming you to our team!

Department
Software Development
Locations
Lithuania
Remote status
Fully Remote

About Bonapolia

 

For job seekers, BONAPOLIA offers a gateway to exciting career prospects and the chance to thrive in a fulfilling work environment. We believe that the right job can transform lives, and we are committed to making that happen for you.

 

Software Development · Lithuania · Fully Remote

P591: Senior Java Developer

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