> Markdown version of [/jobs/ext/4677148-software-engineer-java-full-stack-react](https://www.wearedevelopers.com/jobs/ext/4677148-software-engineer-java-full-stack-react). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - Java Full Stack - React - **Company:** CGI Group Inc. - **Location:** Belgium - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Artificial Intelligence, Applications Architecture, HTML5, Cascading Style Sheets (CSS), Cloud Computing, Cloud Engineering, Software Design Patterns, DevOps, Design of User Interfaces, HP Systems Insight Manager, PostgreSQL, MongoDB, Performance Tuning, Scrum Methodology, Software Engineering, ReactJS, Delivery Pipeline, Spring-boot, Software Security, AWS Lambda, Backend, Event Driven Architecture, Material UI, Kubernetes, Deployment Automation, Apache Kafka, Graphql, Front End Software Development, React Redux, Api Design, Restful APIs, Es2015, Dynatrace, Docker, Microservices - **Published:** November 12, 2026 - **Apply:** https://cgi.njoyn.com/corp/xweb/XWeb.asp?NTKN=c&Page=JobDetails&Jobid=J0926-2005&BRID=1337331&SBDID=1&searchFilled= ## About the Role Must have Skills Front-End Skills: * Strong experience with ReactJS * Proficiency in JavaScript ES6+ * Strong knowledge of HTML5 and CSS3 * Experience with Redux for state management * Experience with Material UI and responsive UI development * Ability to build reusable, maintainable, and responsive UI components Back-End Skills: * Strong experience with Java and Spring Boot * Experience developing RESTful APIs and backend microservices * Hands-on experience with Apache Kafka and event-driven architectures * Strong knowledge of PostgreSQL and MongoDB * Experience with application monitoring and observability using Dynatrace * Understanding of backend performance optimization and troubleshooting DevOps & Cloud Skills: * Experience with Docker and containerized application development * Understanding of Kubernetes and container orchestration * Knowledge of CI/CD pipelines and automated deployment processes * Understanding of modern DevOps practices and production support * Familiarity with cloud-native application development and deployment Good-to-Have Skills: * Experience with cloud-native development * Exposure to GraphQL and GraphQL API development * Knowledge of modern application architecture and design patterns * Familiarity with Agile/Scrum methodologies * Understanding of application security and accessibility best practices, * Agile * Docker * Java * Kubernetes * MongoDB * AWS Lambda * Dynatrace * React JavaScript * RESTful (Rest-APIs) * Spring * Spring Boot ## Description Position Description: We are looking for a Full Stack Java Developer with strong experience in ReactJS, Java, Spring Boot, REST APIs, Kafka, databases, and modern DevOps practices to design and develop scalable end-to-end web applications., * Design and develop end-to-end web applications using modern frontend and backend technologies * Build responsive and reusable UI components using ReactJS * Develop scalable backend microservices using Java and Spring Boot * Design and develop RESTful APIs and API integrations * Implement event-driven solutions using Kafka * Work with relational and NoSQL databases including PostgreSQL and MongoDB * Optimize application performance across both UI and backend layers * Implement application monitoring and observability using Dynatrace * Participate in architecture discussions, technical design, and solution development * Ensure applications adhere to security, accessibility, and coding standards * Support production deployments, troubleshooting, and issue resolution * Collaborate with cross-functional teams to deliver high-quality solutions