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EPAM Systems

Senior Java Developer

EPAM Systems
Ukraine · Full-time · Mid-Senior
We are looking for a highly skilled Senior Java Developer with experience in KeyCloak to join our team.

In this role, you will be responsible for designing, developing, and maintaining complex systems while contributing to the implementation of secure authentication and authorization solutions. This is an opportunity to work on innovative projects, collaborate with cross-functional teams, and drive technical excellence in a fast-paced environment.

Responsibilities


  • Design and develop Java-based applications, ensuring scalability and performance
  • Implement and configure KeyCloak for authentication and authorization solutions
  • Develop and maintain secure systems using OAuth2 protocols
  • Create and maintain RESTful APIs to support application functionality and integration
  • Utilize Java frameworks such as J2EE, Hibernate, and Spring Boot for efficient development
  • Write unit tests and mock objects using JUnit and Mockito to ensure code quality
  • Work with SQL databases to design, query, and manage data effectively
  • Deploy applications using JBoss and Kubernetes for container orchestration
  • Utilize Jenkins and Gradle for CI/CD pipelines and build automation
  • Collaborate with cross-functional teams to ensure seamless integration and delivery


Requirements


  • At least 3 years of experience as a Java Developer
  • Hands-on experience with KeyCloak for identity and access management
  • Strong understanding of OAuth2 protocols and implementation
  • Proficiency in Java frameworks such as J2EE, Hibernate, and Spring Boot
  • Experience with Swing for building desktop applications
  • Solid knowledge of SQL for database design and management
  • Expertise in RESTful API development and integration
  • Familiarity with JBoss for application deployment and server management
  • Proficiency in using JUnit and Mockito for testing and code validation
  • Knowledge of Kubernetes for container orchestration and deployment
  • Experience with Jenkins and Gradle for CI/CD and build automation
  • Fluent English communication skills, both written and spoken, at a B2 level or higher


Nice to have


  • Familiarity with FHIR for healthcare data exchange and interoperability
  • Experience with microservices architecture and distributed systems
  • Knowledge of advanced security protocols and encryption techniques for Java applications


We offer


  • International projects with top brands
  • Work with global teams of highly skilled, diverse peers
  • Healthcare benefits
  • Employee financial programs
  • Paid time off and sick leave
  • Upskilling, reskilling and certification courses
  • Unlimited access to the LinkedIn Learning library and 22,000+ courses
  • Global career opportunities
  • Volunteer and community involvement opportunities
  • EPAM Employee Groups
  • Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn


Key Skills

Ranked by relevance

java kubernetes jenkins gradle junit j2ee cicd sql microservices restful apis spring boot server
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Posted
Jul 09, 2025
Type
Full-time
Level
Mid-Senior
Location
Ukraine
Company
EPAM Systems

Industries

Software Development IT Services IT Consulting Pharmaceutical Manufacturing

Categories

Information Technology Engineering Business Development

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