Quality & Reliability

End-to-end digital transformation and tech solutions

Full Stack Developer Java / Spring Boot / React / Next.js

Full-Stack EngineeringConfirmed live in the last 24 hours

Full-timeAthens, GreeceNo salary listedHybrid

About the Job

Requirements

A bachelor's degree in Computer Science, Computer Engineering, or a related field is required.
One to two years of professional software development experience, including hands-on experience with Java, Spring Boot, and React.js.
Good understanding of object-oriented programming, design patterns, and RESTful APIs.
Familiarity with Git, Maven or Gradle, and modern development workflows.
Strong analytical and problem-solving skills and attention to detail.
Strong communication and teamwork skills, adaptability, and a continuous-learning mindset.

Responsibilities

Design and develop modern full-stack web applications.
Build and maintain backend services using Java and Spring Boot.
Develop dynamic and responsive user interfaces using React.js and Next.js.
Build responsive, user-friendly interfaces using Tailwind CSS and custom CSS, attending to usability, accessibility, and visual detail.
Write clean, efficient, and secure code following best practices.
Participate in the software development lifecycle, including analysis, design, development, testing, and deployment.
Collaborate with cross-functional teams to deliver software solutions.
Analyze and troubleshoot technical and application issues.
Contribute to continuous improvement of development processes and technologies.
Document technical solutions and development phases.

Desired Qualifications

Knowledge of TypeScript, Next.js, and relational databases such as Oracle or PostgreSQL.
Experience with JPA/Hibernate, state management libraries such as Redux, Zustand, or Jotai, and testing frameworks such as Jest, React Testing Library, or Cypress.
Familiarity with Swagger/OpenAPI, Jasper Reports, or previous involvement in public sector projects.

Full Stack Developer Java / Spring Boot / React / Next.js

Quality & Reliability S.A. (QnR) · Athens, Greece (Hybrid) · Full-time · Posted 2026-09-29

Workplace: hybrid

Department: Operations

Description

Are you a Full Stack Developer? Think bigger about your next move!

Build your future with QnR Group.
JOIN THE NEXT EUROPEAN TECHNOLOGY POWERHOUSE 🚀

Full Stack Developer | Quality & Reliability (QnR), the parent company of QnR Group

Role overview

We are looking for a Full Stack Developer to join Quality & Reliability (QnR). In this role, you will contribute to the design, development, and delivery of modern web applications and complex information systems, working with cutting-edge technologies across both backend and frontend environments. This is an exciting opportunity for developers who enjoy building scalable systems, collaborating with talented teams, and continuously learning new technologies.

About QnR Group

QnR Group is a technology group with 35 years of experience, 8 companies, 4 delivery centers and 210+ professionals across Greece, Belgium, Cyprus and Poland. Listed on the Athens Stock Exchange since 2000, we deliver mission-critical digital transformation projects for the public and private sector. The Group’s capabilities covers software engineering, enterprise and generative AI, cybersecurity, cloud infrastructure, SAP and ServiceNow solutions, core banking and maritime intelligence.

Requirements

What you'll work on:

Design and develop modern full-stack web applications
Build and maintain robust backend services using Java and Spring Boot
Develop dynamic and responsive user interfaces using React.js/Next.js
Built responsive, user-friendly interfaces using Tailwind CSS and custom CSS, with close attention to usability, accessibility, and visual detail
Write clean, efficient, and secure code following best practices
Participate in the entire software development lifecycle (analysis, design, development, testing, and deployment)
Collaborate with cross-functional teams to deliver high-quality software solutions
Analyze and troubleshoot technical and application issues
Contribute to continuous improvement of development processes and technologies
Document technical solutions and development phases

What you bring:

Bachelor’s degree in Computer Science, Computer Engineering, or a related field
1–2 years of professional experience in software development, with hands-on experience in Java, Spring Boot, and React.js
Good understanding of Object-Oriented Programming (OOP), Design Patterns, and RESTful APIs
Familiarity with Git, Maven, or Gradle and modern development workflows
Knowledge of TypeScript, Next.js, and relational databases (Oracle/PostgreSQL) is an advantage
Experience with JPA/Hibernate, state management libraries (Redux, Zustand, Jotai), and testing frameworks (Jest, React Testing Library, Cypress) is a plus
Familiarity with Swagger/OpenAPI, Jasper Reports, or previous involvement in Public Sector projects will be considered an asset
Strong analytical, problem-solving, communication, and teamwork skills, with attention to detail, adaptability, and a continuous-learning mindset

Apply

Apply at Quality & Reliability S.A. (QnR)

About the Company

Quality & Reliability

End-to-end digital transformation and tech solutions

Quality & Reliability (QnR) Group is a European technology group delivering mission-critical digital transformation and advanced technology solutions across Greece, Europe and the broader EMEA region. It combines eight specialized companies into an integrated ecosystem to provide end-to-end solutions by coordinating AI, cybersecurity, cloud, ERP, IoT, asset management, maritime and defence tech for governments, financial institutions and other enterprises. It differentiates itself through strategic acquisitions, cross-company collaboration, and a focus on regulated industries that require multi-disciplinary delivery beyond single-vendor offerings. Its goal is to become a leading European technology powerhouse by acquiring, integrating, innovating and scaling to deliver lasting value, resilience and competitive advantage for clients across Europe, the Middle East and Africa.

Company size: 51-200
Company stage: Not listed
Total funding: Not listed
Headquarters: Greece
Founded: 1992

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