Full-Stack Developer

# Full-Stack Developer > Uni Systems · Brussels, Belgium (Remote) · Full-time · Posted 2026-10-20 **Workplace:** remote **Department:** Professional Services Practice ## Description At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a professional Full-Stack Developer to join our UniQue Brussels, Belgium team. **What will you be bringing to the team?** - Develop front-end applications using Angular as the primary responsibility, and back-end applications using Java as a secondary responsibility, preferably as a member of an Agile team. - Apply data and security best practices, including input validation, authentication and authorization, secure storage, and compliant logging and monitoring. - Ensure web applications are optimized for performance and functionality across different browsers and devices. - Design and develop responsive applications. - Develop and maintain features across the entire stack, from designing user interfaces and consuming APIs to implementing server-side business logic and database interactions. - Participate in the design and creation of scalable software. - Maintain code integrity, quality, and organization. - Write clean, functional code for both front-end and back-end applications. - Compile and analyze data, processes, and code to troubleshoot problems and identify areas for improvement. - Perform unit and integration testing, debug applications, fix issues, and validate code changes. - Deliver solutions that meet functional and non-functional requirements and align with user expectations. - Write technical documentation. - Deploy and manage applications on cloud platforms using CI/CD pipelines and containerization technologies. - Bridge the gap between front-end and back-end development, facilitating communication and ensuring the cohesive integration of all system components. ## Requirements **What do you need to succeed in this position?** - Bachelor's degree + minimum of 12 years of professional IT experience, or a Master's degree + minimum of 10 years of professional IT experience. - At least 5 years of experience with Angular and TypeScript. - At least 3 years of experience writing unit tests using Karma/Jasmine and/or Vitest. - At least 2 years of experience developing Java applications and designing APIs using Swagger. - Proficiency in HTML5, CSS3, JavaScript, TypeScript, Angular v18 or later, and Bootstrap. - Experience with front-end build tools, including Angular CLI, Webpack, and Vite. - Experience with development and DevSecOps tools, including SonarQube, Git, JIRA, Confluence, and CI/CD pipelines. - Experience developing applications in AWS and applying cloud security and secure coding best practices. - Experience designing and documenting APIs using Swagger. - Understanding of software design principles and web accessibility standards. - Experience with front-end unit and integration testing using frameworks and tools such as Jest, Karma, and Vitest. - Knowledge of modern front-end frameworks and their core principles, as well as integrating front-end and back-end builds into CI/CD pipelines. - Self-study training completed through e-learning platforms such as LinkedIn Learning or Udemy, as well as any previous certifications in AWS Cloud, web applications, Java, or Angular will be consider an asset - Very good command of English, both spoken and written, corresponding to Level B2 or higher of the Common European Framework of Reference for Languages (CEFR). ## Apply [Apply at Uni Systems](https://apply.workable.com/uni-systems/j/094C014AFA/apply) --- Powered by [Workable](https://www.workable.com)