Job Description - Roles and Responsibilities

Description:

• Senior UX/UI designer for the Small and Medium Enterprise website.
• Are you driven by designing experiences that convert visitors into loyal SME customers? At Proximus, we are looking for a Senior UX/UI Designer to play a key role in shaping high-impact, data-driven digital journeys for small and medium businesses.

Your Mission:

• As a UX/UI Designer for the SME segment, you’ll craft intuitive, conversion-oriented experiences that make it effortless for entrepreneurs and business owners to understand, choose and manage our solutions.
• You’ll work at the crossroads of UX, UI and experimentation, transforming insights, analytics and user research into seamless flows, clear interfaces and impactful pages.
• Collaborating closely with product owners, content designers and developers, you’ll ensure every SME journey feels simple, professional and consistent — from first visit to long-term relationship.

Key Responsibilities :

As a Senior UX/UI Designer, you will:

• UX Design
• Drive the overall UX/UI and experience of the Small and Medium Enterprise website.
• Create user flows for SME-oriented journeys.
• Translate strategic objectives and value propositions into clear concepts, user journeys and flows.
• Design wireframes, high-fidelity interfaces and interactive prototypes for mobile, balancing user needs, business goals and technical constraints.
• Turn research, analytics and customer feedback into clear design decisions and measurable improvements.
• Actively contribute to and evolve the design system and UX standards, ensuring consistency and quality across the app.
• Present and defend design decisions to stakeholders and leadership.
• Proactively identify experience gaps and opportunities to meaningfully improve the customer journey.
• Take full accountability for UX quality within your scope, following up on implementation and outcomes

User Research & Insights

• Lead and conduct user research and usability testing, selecting appropriate methods to validate concepts and design solutions with SME profiles (entrepreneurs, freelancers, small business managers).
• Translate research findings into actionable insights, personas, user journeys and service blueprints.
• Identify usability issues and pain points specific to SME digital behaviours.

Collaboration & Delivery

• Collaborate closely with product owners, analysts, developers and other designers, while confidently challenging assumptions and proposing alternatives when needed.
• Participate in short and mid-term feature delivery cycles in an Agile context.
• Present concepts clearly to stakeholders and validate designs through iterative feedback loops.

Continuous Improvement

• Use analytics tools (ContentSquare, Adobe Analytics) to drive data-based decisions.
• Stay on top of new trends and best practices in UX, UI and conversion optimization.
• Contribute to the UX research library and to the evolution of the SME part of the design system.

Experience Background

• Bachelor’s degree in Computer Science, Information Systems, Graphic Design, Product Development, Psychology, or a related field, or equivalent work experience.
• 5+ years of experience as a UX/UI designer, with proven end-to-end ownership of design work.
• Strong background in user research, from exploratory research to usability testing.
• Experience designing for AI-powered products or assistants.

Skills & Expertise

• Excellent command of Figma for UX/UI design and prototyping.
• Strong understanding of mobile UX patterns, interaction design and accessibility.
• Knowledge of ContentSquare, Adobe Analytics or other analytics tools to inform and validate design decisions.
• Solid understanding of Double Diamond and human-centred design principles.

Mindset & Ways of Working

• We are specifically looking for someone who:
• Brings an analytical and data-driven mindset.
• Is deeply customer-focused, with a hands-on, pragmatic and can-do mentality.
• Is a strong facilitator, able to lead workshops, align diverse stakeholders and guide teams toward shared decisions.
• Has strong stakeholder management and influencing skills, able to navigate differing opinions and push back constructively.
• Thrives in complex and evolving contexts, able to stay effective in the face of ambiguity and change, and bring clarity.
• Works confidently autonomously, taking initiative and ownership while keeping stakeholders aligned.
• Communicates clearly and confidently, adapting their message to different audiences.
• Demonstrates strong planning and organizational skills, coordinating projects across multiple tribes and departments.
• Is curious and future-oriented, motivated by shaping what comes next, especially in the context of AI and evolving digital experiences.

Languages

• Fluent in Dutch or French, with strong English (spoken and written).

Nice to Haves

• Experience with service design and cross-channel journeys.
• Experience in telecommunications or similarly complex industries and corporate environments.
• Familiarity with an Agile product development environment.