Java Software Engineer

iKnowHow Group is a dynamic, international technology company with 24+ years of experience and a team of 300+ talented professionals delivering innovative technology solutions across Energy, Telecommunications, Banking & Financial Services, and the Public Sector.
Through its specialized subsidiaries, it brings domain expertise in areas such as Health and Robotics—blending deep industry knowledge with advanced, future-ready technologies.
At its core, iKnowHow S.A. delivers end-to-end project development - both internal and client-facing - turning strategy into scalable, real-world solutions. Our portfolio spans Data & AI platforms, enterprise integration, cloud-native applications, and large-scale digital transformation initiatives, enabling leading organizations across the public and private sectors to evolve and grow.
We are now looking for a Java Software Engineer to work in new challenging outsourced projects.
Responsibilities:
Implement coordination logic between services: which service is called, when, and how data flows between them
Build integration and orchestration flows primarily using Spring Integration
Implement cross-cutting concerns (logging, security, access control) using AOP, per defined architecture standards
Develop and maintain persistence logic using JPA/JDBC
Containerize services using Docker
Write, test, and maintain code in a central git repository using standard IDE tooling (VSCode or similar)
Participate in code reviews and follow architecture guidelines set by the Platform Architect
Collaborate with distributed team members across the project
Requirements
Bachelor’s degree in Information Technology, Computer Science, Computer Engineering or any related field.
At least 3 years of hands-on Java (17+) and Spring experience
Experience comfortable with IDE tooling (VSCode or similar) against a central git repository
Experience in Aspect-Oriented Programming (AOP)
Experience in JPA, JDBC and Containers (Docker or similar)
Experience working with distributed teams
Full professional English communication
Nice to have:
Reactive application design
Experience in a devops-automated environment
Kubernetes or OpenShift
Cloud platforms (Azure or AWS)
Kafka, Redis, RDBMS, or rule engines (e.g. Drools)
Asynchronous messaging / long-running workflow patterns
Application security concepts, Entra ID, JWT
Benefits
An attractive salary package
Private health insurance plan
Career development and growth opportunities
Continuous training via personalized seminars
An amazing private & open-office workspace in Athens #LI_Hybrid
Stable and enjoyable working environment

Work arrangement
No