Full Stack Engineer; React + Java Scotland - Fulltime - Hybrid

Job Role

Full Stack Engineer (React + Java)

Glasgow, Scotland

We are looking for a talented Full Stack Engineer (React + Java) with strong expertise in building scalable, secure, and high-performance web applications. The ideal candidate should have deep knowledge of front-end (ReactJS), back-end (Java/Spring Boot), architecture with a passion for delivering seamless end-to-end user experiences and robust enterprise-grade solutions.

The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time.

• Develop and maintain responsive and user-friendly web applications using ReactJS and RESTful APIs using Java (Spring Boot or similar frameworks)
• Build reusable components and scalable front-end architectures
• Collaborate with UI/UX designers to translate designs into high-quality code
• Integrate front-end components with RESTful APIs and backend services
• Optimize applications for maximum speed, performance, and scalability
• Ensure cross-browser compatibility and mobile responsiveness
• Write clean, maintainable, and testable code following best practices
• Participate in code reviews and contribute to continuous improvement
• Troubleshoot and debug issues to improve application performance
• Stay updated with emerging front-end technologies and frameworks
• Implement business logic, data processing, and backend services
• Ensure application security, performance, and scalability on the server side
• Integrate with databases, third-party services, and enterprise systems
• Optimize application performance across both front-end and back-end layers
• Participate in system design discussions and contribute to solution architecture

• Bachelor's degree in Computer Science, Engineering, or related field
• Strong proficiency in JavaScript (ES6+), HTML5, and CSS3
• Hands-on experience with ReactJS, including Hooks, Components, and State Management
• Strong proficiency in Java and frameworks like Spring Boot / Spring MVC
• Experience with state management libraries such as Redux or Context API
• Familiarity with RESTful APIs and asynchronous programming
• Experience with version control systems like Git
• Understanding of responsive design and cross-browser compatibility
• Familiarity with modern build tools like Webpack, Babel, or Vite
• Basic understanding of testing frameworks (Jest, React Testing Library)
• Knowledge of backend design patterns and API design principles
• Experience with relational databases
• Experience integrating with external services and APIs
• Familiarity with CI/CD pipelines and deployment processes
• Understanding of tools such as JIRA, GIT, Intellij IDEA, Gitlab and Docker
• Pub/sub middleware experience (eg. Kafka, MQ)
• Experience in cloud services such as Lambda, Step function and IAM
• Experience in enterprise design patterns and web architectures

Capgemini is proud to be a Disability Confident Employer (Level
2) under the UK Government's Disability Confident scheme. As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who:

• Declare they have a disability
• Meet the minimum essential criteria for the role
• Please opt in during the application process