Full Stack React and Java Developer

About the role

Assystem is seeking a Full Stack React and Java Developer to join its digital entity. You will work on complex industrial projects, building modern web applications and integrating them with robust Java back‑ends.

Key responsibilities

• Develop and maintain front‑end applications using React.js, HTML, CSS and JavaScript.
• Design, implement and maintain Java/J2EE back‑end services, APIs and micro‑services.
• Collaborate with designers, product managers and other developers to deliver high‑quality software.
• Set up and manage CI/CD pipelines (Jenkins, GitLab CI/CD) and automate deployments.
• Configure and monitor servers on cloud platforms (AWS, Azure, Google Cloud) to ensure performance, security and scalability.
• Troubleshoot and resolve issues across development, testing and production environments.

Required profile

• Degree in Computer Science or related field with at least 5 years of full‑stack development experience.
• Strong command of English (French is a plus) and excellent communication skills.
• Proven experience with Java/J2EE frameworks such as Spring and Hibernate.
• Hands‑on experience with containerisation tools like Docker and Kubernetes.
• Ability to work effectively in a fast‑paced, collaborative Agile environment.

Required skills

• React.js, Redux (including saga, toolkit, custom hooks)
• Java, J2EE, Spring, Hibernate
• HTML, CSS, Bootstrap, JavaScript
• Angular, Node.js, Vue.js (optional)
• Android (optional)
• Microsoft SQL Server, MySQL, Oracle
• CI/CD tools: Jenkins, GitLab CI/CD
• Cloud platforms: AWS, Azure, Google Cloud Platform
• Docker, Kubernetes