Full Stack Developer
Uni Systems
Posted: March 20, 2026
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Quick Summary
A Full Stack Developer will be joining our team in Brussels, where you will be working on e-loqui speech synthesis platform features in .NET, Python, and JavaScript.
Required Skills
Job 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?
• 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.