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 Mid Platform Developer (Backend) 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 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
