Application Developer
- Level
- Mid
Not stated in the posting: salary, work type, visa.
Open. First seen 22 October 2026.
About the role
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.
iKnowHow S.A.'s standard text
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 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
What this role asks for
Particular to this role
GitLab · JavaScript · Node.js · Test Automation
Rare in iKnowHow S.A.'s other 40 open postings.
Standard for software engineering roles
Python
Common in software engineering postings at any company.
80% of this description is written for the role. The rest is iKnowHow S.A.'s standard text, folded away below.
Compared with iKnowHow S.A.'s other open jobs.
The team: iKnowHow HIRES STEADILY
This role is one of 27 open in iKnowHow. 9 were posted in the last 30 days and the oldest in June: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Azure (16 of 27), Docker (14 of 27), Java (14 of 27), Spring (12 of 27), Git (11 of 27), Kubernetes (11 of 27), REST (9 of 27)
OTHER ROLES ON THIS TEAM
- Digital Transformation Engineer posted Oct 26
- Senior Java Developer/Tech Lead posted Oct 26
- IT Business Analyst posted Oct 26
- Security Architect posted Oct 20
- Senior Application & Software Developer posted Oct 20
- Java Software Engineer posted Oct 16
- Functional Analyst posted Oct 13
- Quality Engineer posted Sep 30
- Senior Backend & Cybersecurity Integration Developer posted Sep 28
- IT QA Manual Tester posted Sep 17
- Technical Lead posted Sep 14
- System Engineer (Cloud & Infrastructure) posted Sep 11
- Junior Java Developer posted Sep 11
- Fullstack Developer (React/Java) posted Sep 11
- Mid Fullstack Developer posted Sep 10
- Mid Java Developer posted Sep 10
- Mid Fullstack Application Developer (Integration) posted Sep 10
- Senior Java Developer posted Sep 9
- Senior Business Analyst posted Jul 24
- Java Developer posted Jul 21
- Digital Developer posted Jul 15
- DevOps Engineer posted Jul 6
- IT Support Engineer (2nd Level) posted Jun 19
- Senior DevOps Engineer posted Jun 19
- Azure Application Architect posted Jun 19
- Infrastructure & Security Project Manager posted Jun 19
From the team and dates on iKnowHow S.A.'s own job board.
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