Full-Stack Developer 

For a client we are seeking a Full-Stack Developer with strong front-end expertise in Vue.js 3 and solid back-end experience with Java (17/21+) and Spring Boot.

Position Summary:

The Full-Stack Developer will build and maintain modern web applications using Vue.js 3 on the front-end and Java Spring Boot (Java 17/21+) on the back-end. The role includes API development, cloud integration, CI/CD workflows, and applying best practices for scalable and secure web application development.

Start Date: End of January/February

Duration: 1 year with an option to extend

Location: Brussels (2 days per week on-site or more depending on team or customer needs)

Language Requirements: Speaks at least French or Dutch with fluent English as a supplement

Main Responsibilities:

Front-End (Vue.js 3 – Primary Focus)

• Develop modern, responsive user interfaces using Vue.js 3 (Composition API).
• Build modular, reusable, and maintainable components.
• Manage front-end state with Pinia or Vuex.
• Consume and integrate secure REST APIs.
• Implement authentication flows using OAuth2 / OpenID Connect.
• Ensure compliance with WCAG accessibility standards.
• Write unit tests using Jest or Vitest.

Back-End (Java 17+ / Spring Boot)

• Develop and maintain back-end services using Java 17/21+ and Spring Boot.
• Design and document REST APIs following OpenAPI specifications.
• Implement authentication and authorization (OAuth2, JWT).
• Integrate with SQL or NoSQL databases.
• Contribute to building scalable, robust, and secure backend architectures.

Cloud, DevOps & CI/CD

• Build and maintain CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins).
• Work with containerized environments using Docker.
• Contribute to AWS cloud deployments (Lambda, API Gateway, Cognito, CloudWatch, etc.).
• Support monitoring, logging, and operational best practices.

Technical Skills Required:

Front-End

• Vue.js 3 (Composition API)
• TypeScript, JavaScript ES6+
• HTML5, CSS3, Bootstrap or Tailwind
• Pinia or Vuex
• Jest, Vitest

Back-End

• Java 17/21+
• Spring Boot
• REST APIs, OpenAPI
• OAuth2, OpenID Connect, JWT
• SQL / NoSQL

Cloud & DevOps

• AWS (Lambda, API Gateway, Cognito, CloudWatch…)
• Docker, Git
• Terraform (nice to have)
• CI/CD tools: GitHub Actions, GitLab CI, Jenkins

Soft Skills:

• Strong communication and teamwork abilities
• Autonomy and proactive mindset
• Detail-oriented and committed to code quality
• Adaptability and eagerness to learn

Profile Summary:

• Bachelor’s degree in Computer Science or equivalent experience
• At least 4 years of experience in full-stack or front-end development
• Strong proficiency with Vue.js 3 and Java 17+
• Experience working in Agile/Scrum teams
• AWS certification is a plus