UX/UI Designer

Arηs Group, Part of Accenture, is looking for an experienced UX/UI Designer for one of its clients at the EU Institutions in Brussels.

Role & responsibilities

• Translate business and user requirements into intuitive, functional, and aesthetically pleasing UI solutions that align with user needs and project goals.
• Analyse user journeys using UX (User Experience) methods (heuristic review, task analysis, analytics review).
• Advise cross-functional teams throughout discovery, prototyping, usability testing, and developer handoff; ensure UI consistency and adherence to the design system.
• Prototype low- and high-fidelity UI with wireframes, mock-ups, and storyboards to validate and iterate toward an intuitive user experience.
• Design and develop responsive UI solutions for various digital products (e.g., web, mobile, tablets) by defining information architecture, interaction workflows, navigation patterns, and applying principles of typography, color, and imagery.
• Create and maintain a design system (style guide, tokens, components, templates) with versioned libraries, usage guidelines, and governance.
• Creation of graphical elements including illustrations, visuals, infographics, data visualisations, etc.
• Plan and run user-centred evaluations (usability tests, heuristic reviews, A/B tests), report issues with severity, evidence, and recommendations.
• Contribute UI acceptance criteria and test scenarios; support cross-browser/device and visual regression testing and analyse results with developers.
• Collaborate closely with UX Analyst and Accessibility Experts to ensure designs are user-validated and compliancy with regulations and policies.
• Prepare developer handoff deliverables and collaborate via handoff tools to ensure accurate implementation.
• Advocate for and implement design system components and patterns consistently across all digital products to ensure a cohesive user experience.

Your profile

• Capability to work in an international/multicultural environment, including participation in multi-lingual meetings.
• Talent for generating bold, user-centered concepts and capacity to articulate and defend design decisions with evidence (research insights, usability findings, analytics).
• Proficiency in adapting to and mastering fast-evolving design and prototyping tools and industry trends.
• Strong interpersonal communication skills in English and/or French.
• Ability to work in a team as well as autonomously.
• Results-oriented mindset, focused on delivering.

Technical skills

• Knowledge of core web technologies (HTML5, CSS3) with an understanding of W3C standards, accessibility (WCAG), and SEO principles.
• 6 years of experience with wireframing and interactive prototyping design tools such as Balsamiq, InVision, UxPin, Framer.js, Figma or similar.
• Knowledge of design and graphical tools such as Adobe Photoshop, Illustrator, or similar.
• 3 years of experience with collaborative tools such as Atlassian’s Confluence or similar.
• 6 years of experience applying UX design best practices, including user interface ergonomics, responsive design, data protection and security principles.
• 3 years of experience applying user-centred design principles and methodologies, including development of usability test plans based on defined target audiences, personas and user stories.
• 3 years of experience in user testing through all stages of a digital solution, including different techniques (e.g. eye tracking, dynamic/static verification) and methods of testing (e.g. remote usability testing, A/B testing, hallway testing, post-release testing).
• Knowledge in cross-browser compatibility and testing.
• Knowledge of web ergonomics, usability and accessibility.
• Knowledge of fundamental visual and typographic design disciplines and principles.
• 3 years of experience in agile development environments.
• Understanding of security practices and protocols.
• Experience with design system tools and component library management.

Certification

• A certification such as UXQB Certified Professional for Usability and User Experience - Foundation (CPUX-F), Nielsen Norman Group (NN/g) UX Certification, or Google UX Design Certificate would be considered an asset

WHAT´S IN IT FOR YOU?

• We value your contribution, which is why we offer a competitive and attractive salary package.
• Your wellbeing is our priority – from day one, you are covered by a comprehensive health insurance plan.
• Benefit from a convenient meal allowance provided through a ticket restaurant card.
• Take part in impactful projects that make a difference at both the national and European level.
• Continue to grow with us through in-house training sessions and a wide range of online learning opportunities.
• Join a collaborative culture where we regularly celebrate achievements and milestones together.