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"A designer knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away."

— Antoine de Saint-ExupĂ©ry

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UX Designer (H/F)

Smile đŸ‡±đŸ‡ș Differdange, Canton Esch-sur-Alzette, Luxembourg

Full-time Mid-level

The UX Designer will conduct user research, create user journeys, and facilitate workshops to ensure an optimal user experience. They will collaborate with development and design teams to integrate functional and aesthetic requirements into client projects.

Responsibilities

  • Conduct in‑depth user research to uncover needs, motivations and behaviors
  • Perform benchmarking to gather best practices and inspiration
  • Create personas based on client data and insights
  • Facilitate workshops and co‑creation sessions with clients
  • Collaborate with development, visual design and project management teams for seamless integration
  • Plan and execute qualitative and quantitative user tests, iterate based on findings
  • Conduct ethnographic interviews with stakeholders and users
  • Promote accessibility and inclusive design practices

Requirements

  • Minimum 3 years of experience as a UX Designer, agency or freelance
  • Ability to manage multiple projects and apply/test UX methodologies
  • Strong interpersonal and presentation skills
  • Proficiency with UX production tools such as Miro, Mural, Jira
  • Optional: Figma expertise
  • Fluent French and good English

Key Skills

User research Persona creation Benchmark analysis Workshop facilitation Co‑creation methodologies Cross‑functional collaboration Qualitative and quantitative testing Ethnographic interviewing Accessibility (design for all) Miro Mural Jira Figma (plus) Communication Critical thinking Empathy English proficiency French proficiency

About Smile

We are Technology experts & Business partners. AI powered. Enabling digital autonomy. Smile is a European digital services group operating in 7 countries and bringing together 1,500 people. Our value proposition is built around three accelerators across all our areas of expertise: - Digital Autonomy : we provide solutions built on open source or European sovereign software, designed to keep full control over data, infrastructure and technology choices. - Agentic AI : native and integrated from day one, in every project, every team, every method, it accelerates transformation, optimises operations and unlocks new sources of business value. It is the backbone of everything we deliver. - The Factory : our factories bring together multidisciplinary teams, experienced in agile methods, capable of delivering exactly what they have promised. We operate across five domains: AI & Data, Customer Experience, Business Applications, Cloud Transformation & Management and Product & Industrial Sy

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