Posted Jul 10, 2026

Full Stack Developer

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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? - Handle user requests and support tickets, troubleshoot application issues, investigate error reports, and coordinate resolution with the development and infrastructure teams. - Maintain frontend and backend features for the e-loqui speech synthesis platform (.NET, Python and Javascript) and other organisational applications (Go, Node.js). - Implement new functionality including UI components, REST API endpoints, database operations and authentication flows (OAuth/EU Login). - Ensure operational continuity by monitoring backups, verifying backup integrity, and performing restore operations when required. - Maintain application security by applying security updates, patching vulnerabilities, updating dependencies (NuGet, npm, pip, Go modules), and responding to security scan findings. - Manage user access and permissions across applications, Azure resources, and Key Vaults, ensuring compliance with organizational security policies and least-privilege principles. - Maintain and improve existing applications by fixing bugs, troubleshooting production issues, analysing logs, and resolving incidents. - Support CI/CD pipeline operations including GitLab CI configuration, deployment automation, and integration of security scanning tools throughout the software development lifecycle. - Collaborate with the technical lead and Azure/DevOps team to implement technical upgrades, improve testing infrastructure, and ensure smooth deployment and operation of applications. Requirements What do you need to succeed in this position? - Master’s degree with a minimum of 7 years of relevant experience. - At least 3 years of hands-on experience deploying and maintaining applications and services in Azure cloud environments. - Proficiency in .NET & JavaScript or Go & Node.js. - Experience with Docker, Kubernetes, and GitLab CI. - Strong English communication skills (C1); French (C1) desirable.