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).
Skills Required
- Bachelor's degree with at least 12 years of professional IT experience, or Master's degree with at least 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 version 18 or later, and Bootstrap
- Experience with Angular CLI, Webpack, and Vite
- Experience with 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 Jest, Karma, and Vitest
- Knowledge of modern front-end frameworks and integrating front-end and back-end builds into CI/CD pipelines
- Self-study training through LinkedIn Learning or Udemy
- Certifications in AWS Cloud, web applications, Java, or Angular
- Very good command of English at CEFR level B2 or higher
What We Do
Uni Systems, a member of Quest Group, has been a reliable ICT partner to companies and organizations in the European market for over 60 years. We are the first IT company founded in Greece, in 1964, and we have been supporting our clients ever since. Trusting customers, extensive solutions offering, strong partnerships and experienced people, those are the main grounds for Uni Systems’ rapid expansion of operations across geographies and industries. With more than 1450 specialized ICT professionals, established presence in more than 20 countries, and branches and subsidiaries in the heart of the European Union (Athens, Barcelona, Brussels, Bucharest, Luxembourg and Milan), we are effectively addressing the needs of European and International organizations and institutions and delivering value-added integrated solutions to our customers. Through our strong industrial vertical expertise, supported by the range of our horizontal solutions, we hold a substantial and successful track record in the delivery and implementation of large-scale, mission-critical projects in the sectors of Banking & Finance, Enterprise & Utilities, Government, and Telecommunications, as well as in EU Institutions and Agencies. Participations in real commercial implementations of best practices (i.e. ITIL, RUP, PRINCE2, PMI), has provided our people with significant experience, unique know-how and proven capability in designing, implementing and successfully supporting complex ICT projects, through a range of solutions and business areas. At Uni Systems, we support innovation, and we have been investing in the European and National research ecosystem. Our Research and Innovation (RDI) department has been successfully bidding and winning a series of research programs in promising technological areas, such as 5G, AI in Health, and Blockchain in Governance. Enabling our clients' digital transformation journey is our passion and we remain strongly committed to it.








