Mid Fullstack Developer

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 (Fullstack) to work in new challenging outsourced projects.

Responsibilities

• Develop a platform's core services and functionality
• Build and maintain both back-end services and front-end UI components
• 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
• Bachelor’s degree in Information Technology, Computer Science, Computer Engineering or any related field.
• At least 3 years of software development experience
• Strong experience in Java & Spring and React
• 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
• 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