Back end Engineer

COSMOTE Global Solutions NV is a leading provider of innovative ICT solutions, proudly part of the OTE Group of Companies. We are dedicated to delivering state-of-the-art services that meet the needs of clients in various industries.

We are looking for a talented Back End Engineer to join our growing team. In this pivotal role, you will be responsible for supporting applications through integration and development of server-side logic. Your expertise will play a crucial role in maintaining the functionality and efficiency of our solutions.

Key Responsibilities:

• Develop, maintain, test and deploy SpringBoot web portals, applications, components and libraries, using Java and Spring framework.
• Collaborate with team leads, tech leads business analysts, developers and other testers to understand requirements and ensure consistency and coherence of requirements;
• Deploy and monitor applications on-prem and in cloud containerized environment

Requirements:
• Mandatory Requirements:
• University Degree at a related field
• 10+ years of experience
• Mandatory Experience:
• Java 17 (preferably 21 or higher)
• Spring Framework 6.x (or higher) & Spring Boot 3.x (or higher)
• JPA / Hibernate
• Web services (REST, SOAP); asynchronous communication using event streaming (Kafka)
• JUnit/TestNG; Mockito or similar mocking framework
• DevOps: Maven, Git, CI/CD pipelines (preferable Azure DevOps), containers (Docker), cloud (preferable Azure)
• Auth/Authz using OIDC/OAuth
• Would be a big plus:
• Experience with integration technologies and micro-services, preferably with Apache Camel (but Spring Integration would be a plus)
• Full stack web development with a JavaScript framework (preferably React)
• Process/workflow engine experience (eg: Temporal)