Full Stack Developer - React/Java

Fullstack Developer (React/Java)

iKnowHow S.A. · Neo Psychiko, Greece (Hybrid) · Full-time · Posted 2026-09-11

Workplace: hybrid

Department: Defense

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, Healthcare, Defense, and the Public Sector.

Through its specialized subsidiaries, the Group combines deep business expertise with cutting-edge technologies, delivering high-value digital transformation projects for leading organizations in Greece and abroad.

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 an experienced Full Stack Developer with strong technical skills and hands-on experience in modern cloud-native application development to join our internal software team.

Responsibilities

• Design, develop, and maintain enterprise-grade applications using Java Spring Boot

• Design and implement cloud-native applications based on Microservices Architecture

• Develop secure and scalable RESTful APIs

• Implement integrations with third-party systems and enterprise platforms

• Participate in application architecture, technical design, and code reviews

• Build responsive and user-friendly front-end applications using React JS

• Deploy, configure, and maintain applications on Microsoft Azure Cloud

• Participate in troubleshooting, performance tuning, and production support activities

• Follow software engineering best practices including clean code, testing, documentation, and secure development

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related technical field

• 4–6 years of professional experience in Full Stack Software Development

• Strong knowledge of Java and Spring Boot with Microservices Architecture

• Experience with Spring Security, Spring Data JPA and RESTful API design

• Strong experience with React JS, Vue JS, TypeScript and modern JavaScript (ES6+)

• Good understanding of HTML5, CSS3 and responsive UI development

• Experience with relational databases such as PostgreSQL or SQL Server

• Familiarity with Docker and containerized applications

• Experience with Git and modern software development workflows

• Experience deploying applications to Microsoft Azure Cloud

• Familiarity with Azure DevOps and CI/CD pipelinese

• Experience with authentication technologies such as OAuth2, OpenID Connect and JWT

Benefits

• Career development and growth opportunities

• Competitive compensation package

• Medical plan and life insurance for you and your family

• Flexible hybrid working model, working both from the office & remote #LI-Hybrid

• Continuous training & learning opportunities via personalized seminars

• The opportunity to work in a diverse environment with talented colleagues

Apply

Apply at iKnowHow S.A.

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