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

Quality and Reliability (QnR) is a leading Technology Group, with more than 30yrs of presence in the market, delivering mission-critical digital transformation across Greece, Europe, and the broader EMEA region

QUALITY & RELIABILITY S.A. (Q&R S.A.) is a leading international technology company and a Great Place to Work® Certified organization for the 3rd consecutive year, delivering innovative software solutions and digital transformation projects for major organizations across multiple industries.

We are looking for a passionate Full Stack Developer to join our growing technology team. 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.

Responsibilities:

• 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

• Bachelor's degree in Computer Science, Computer Engineering, or a related field
• 1–2 years of professional experience in software development
• Hands-on experience with Java and Spring Boot
• Experience developing web applications with React.js
• Familiarity with Git and modern version control workflows
• Knowledge of build tools such as Maven or Gradle
• Understanding of Object-Oriented Programming and design patterns
• Experience working with RESTful APIs
• Strong problem-solving and analytical thinking skills
• Ability to work effectively both independently and as part of a team
• Passion for technology and software development
• Strong communication and collaboration skills
• Analytical mindset and ability to solve complex problems
• Organized and detail-oriented approach
• Eagerness to learn new technologies and grow professionally

Nice to have

• Experience with TypeScript
• Experience with Next.js
• Familiarity with relational databases (Oracle or PostgreSQL)
• Experience with ORM frameworks (JPA / Hibernate)
• Experience with state management libraries (Redux, Zustand, Jotai)
• Experience with testing frameworks (Jest, React Testing Library, Cypress)
• Familiarity with API documentation tools such as Swagger / OpenAPI
• Experience with Jasper Reports
• Previous involvement in Public Sector projects

• We want our people to be well compensated, so we offer an attractive salary package
• Health is the most important asset, so we have you secured with a health insurance and compilation plan from day one
• We are excited for challenges, so you are invited to take part in exciting, innovative projects that make a difference
• We never stop learning and evolving! We encourage our people to follow the pace by providing them voucher for Training Courses, so that they adapt new tech skills and develop their soft skills
• Most important, we work as a team, so we gather on a smaller and bigger occasions to celebrate good times together!