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Fullstack Application Developer

Nea Ionia, Attica, Greece💼 Full-time🗓 2026-09-10 → 2026-09-25

Core

Design and build cloud-native data modernization solutions for banking products, focusing on API services, data transformation, and integration flows.

Role type

Senior IC Application Architect (Cloud Data Modernization)

Builds

Cloud-native applications, data transformation templates, and integration adapters for banking clients

Domain

Banking & Financial Services / Cloud Data Modernization

Deliverable

production ML models | product features

Required skills

REST API development, Backend development (Java/Python/Node.js), Data transformation (JSON/XML), CI/CD pipeline development, Unit testing & automation, Integration platform development, Docker containerization, API Gateway patterns, Performance testing

Preferred skills

Core banking system integrations, DevSecOps awareness

Technologies

Java, Python, Node.js, Jenkins, GitLab CI, Docker, JMeter, Gatling, JSON, XML

Responsibilities

Develop, unit test, and perform ST testing on API services and orchestration flows; Implement data-transformation templates and API payload handlers; 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 for integration issues

Seniority

Senior, hands-on IC

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