# Mid Fullstack Application Developer (Integration)

> iKnowHow S.A. · Nea Ionia, Greece (Hybrid) · — · Posted 2026-09-10

**Workplace:** hybrid

**Department:** Eurobank

## Description

**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

## 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

## Apply

[Apply at iKnowHow S.A.](https://apply.workable.com/ikh/j/5D70F4E948/apply)

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