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Über diese UI/UX Designer Stelle bei Uni Systems

Uni Systems · Vor Ort · Brussels, Brussels, Belgium

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Full-Stack Developer to join our UniQue team.

What will you be doing in this role?

  • Translate business and user requirements into intuitive, accessible, and visually coherent user interface solutions, ensuring an optimal balance between usability, functionality, and visual appeal.
  • Analyze user journeys and interface requirements through heuristic reviews, task analysis, and analytics-based insights to identify user needs, usability challenges, and opportunities for improvement.
  • Create wireframes, mock-ups, and low- to high-fidelity interactive prototypes to explore concepts, validate design decisions, and support iterative design refinement.
  • Design responsive web and mobile interfaces, defining clear information architecture, effective navigation patterns, and seamless interaction workflows to enhance the overall user experience.
  • Develop and maintain design system components, style guides, and graphical assets, ensuring consistency, scalability, and adherence to established design standards across products.
  • Plan and conduct usability evaluations and user testing activities, documenting findings and reporting issues with appropriate severity ratings, supporting evidence, and actionable recommendations.
  • Contribute to the definition of UI acceptance criteria and test scenarios, ensuring compliance with accessibility standards (WCAG) and compatibility across different browsers, devices, and screen sizes.
  • Preparation of developer handoff deliverables and collaboration with developers and accessibility experts for accurate implementation.

Requirements

What do you need to succeed in this position?

  • Master’s degree in information technology and a minimum of 15 years of relevant professional experience, or Bachelor's degree in Information Technology and a minimum of 17 years of relevant professional experience.
  • Very good command of English (Level B2 or higher), both written and spoken, according to the Common European Framework of Reference for Languages (CEFR).
  • Minimum 15 years of professional experience in UI/UX design and web interface development.
  • Proven experience applying user-centered design methodologies, including UX research, persona creation, user journey mapping, and user story analysis.
  • Experience planning, conducting, and evaluating usability tests, including remote testing, A/B testing, and hallway testing.
  • Strong experience creating wireframes, mock-ups, and interactive prototypes using Figma or similar design and prototyping tools.
  • Experience using graphic design tools such as Adobe Photoshop, Adobe XD, Illustrator, or equivalent solutions.
  • Proven experience developing responsive and user-friendly interfaces using HTML5, CSS3/SCSS, and JavaScript.
  • Experience working with modern front-end frameworks such as React, Angular, or Vue.js.
  • Experience performing responsive design validation and cross-browser compatibility testing across multiple devices and platforms.
  • Strong knowledge of W3C standards, web ergonomics, and SEO best practices related to interface design and development.
  • Proven experience designing accessible interfaces in compliance with WCAG accessibility standards.
  • Experience applying data protection, privacy, and security principles within UI/UX design activities.
  • Experience creating, maintaining, and governing design systems, including style guides, design tokens, and reusable component libraries.
  • Experience working in Agile environments and using collaboration tools such as Confluence and Jira.
  • Experience preparing design specifications, documentation, and developer handoff deliverables.
  • Ability to collaborate effectively with developers, business stakeholders, and accessibility experts to ensure accurate implementation of design solutions.
  • Experience with institutional design systems or CMS front-end theming platforms (e.g., Drupal or WordPress) will be considered an asset.
  • Experience working within an international public institution is highly desirable.

At Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation or any other characteristics. Take a look at Diversity, Equality & Inclusion Policy for more information.

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Bei Uni Systems bewerben

Über Uni Systems

With our people being the driving force behind everything we have achieved in our long history, we successfully provide consulting, design, implementation and support in the field of ICT integrated solutions and services through operations that span across 20+ countries in Europe. We were the first company to begin in an informatics journey that started in 1964, and today, as a member of the dynamic Quest Group, we hold one of the most prominent positions in the sector and claim a seat among the most reliable ICT companies in Europe.

We are systems integrators committed to providing innovative and agile solutions and value added services aimed at strengthening our clients’ positioning within a competitive and ever-changing international environment. Through our offices in Greece, Belgium, Luxembourg, Italy, Romania, and Spain, and with the valuable support of over 1400 highly talented UniQue people, we serve more than 200 customers across geographies and markets.

At Uni Systems, we believe in the continuous development of our UniQue people with learnability lying at the core of our principles: our people participate on a regular basis in engaging learning activities, with technical trainings, leadership programs, workshops and e-learning courses through Udemy, Pluralsight, and LinkedIn Learning platforms being only few of them. Moreover, in collaboration with ALBA Graduate Business School we are offering a Mini MBA program designed to cover the needs of Quest Group’s employees. At the same time, UniQue talents are being recognized through a specially designed Talent Management program that helps us identify, maintain and develop the top talents within the company.

Being a part of our team, in an open and welcoming environment where all voices are heard, brings an array of benefits such as opportunities to contribute to innovation initiatives, hybrid working models, trainings, private medical insurance, mental health programs and more.

Based on the immense potential of our UniQue people we can reach excellence and produce sustainable value in the societies around us.

Are you ready to #BeUniQue? 😎

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