Integration 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 talented Integration Developer 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
Requirements
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
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