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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:
We look forward to receiving your application and welcoming you to our team!
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)
- 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
- Experience with Quarkus
- Knowledge of Kubernetes (Helm, Operators)
- Experience with Kafka / RabbitMQ
- Understanding of security best practices (OWASP, TLS, secrets):
We look forward to receiving your application and welcoming you to our team!
Key Skills
Ranked by relevance
java
spring boot
cicd
sql
kubernetes
postgresql
docker
kafka
owasp
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- Posted
- Feb 05, 2026
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Vilnius
- Company
- Bonapolia
Industries
IT Services
IT Consulting
Categories
Engineering
Information Technology
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3 roles aligned with this opportunity
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2025-11-27
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