Mid Fullstack Application Developer (Integration)
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 talented Application Architect - Cloud Data Modernization to work in new challenging outsourced projects and contribute to ongoing and upcoming projects, related to full-lifecycle development and maintenance of Banking Products.
Responsibilities:
- Develop, unit and ST testing API services, orchestration flows and integration adapters
- Implement data-transformation templates and API payload handlers, contributing to CI/CD pipeline development and automated deployment scripts
- Support environment provisioning and developer onboarding
- Execute SIT and performance test automation scripts.
- Resolve integration defects during SIT, NFRT, UAT and Hypercare phases
- Provide Warranty-period on-call support and incident resolution for integration issues
- Bachelor’s degree in Information Technology, Computer Science, Computer Engineering or any related field.
- 3+ years software / application development experience
- REST API service development & testing
- Backend development (Java, Python or Node.js)
- Data transformation & payload handling (JSON / XML)
- Unit testing & automated test scripting
- Integration platform / middleware development
- CI/CD pipeline development (Jenkins, GitLab CI or similar)
- Docker / containerization basics and Git (version control, branching strategies)
- API Gateway integration patterns and Performance / load test scripting (JMeter, Gatling or similar)
- Observability tooling (logging, APM basics)
- Proficient verbal and written communication skills in English.
- Strong collaborative spirit, sense of ownership, and accountability.
- Completion of military obligations if applicable.
Nice To Have:
- Experience in core banking system integrations
- DevSecOps / security-in-pipeline awareness
- 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
