UX Designer (H/F)

📍 Job Overview

Job Title: UX Designer (H/F)

Company: Smile Group

Location: Differdange, Luxembourg

Job Type: Full-Time

Category: Digital Design / User Experience

Date Posted: March 30, 2026

Experience Level: 2-5 Years

Remote Status: Hybrid

🚀 Role Summary

• Design and deliver exceptional user experiences through in-depth user research and journey mapping.

• Drive digital transformation initiatives by translating user needs and business objectives into intuitive interface designs.

• Facilitate co-creation workshops and cross-functional collaboration to foster innovation and ensure seamless integration of functional and aesthetic aspects.

• Conduct qualitative and quantitative user testing to iterate on solutions and guarantee optimal user satisfaction.

• Leverage a strong understanding of design principles, user-centered methodologies, and modern UX tools to deliver impactful solutions.

📝 Enhancement Note: The role is positioned within Smile Luxembourg's digital agency, UX-Republic, emphasizing a consulting approach to UX design. The integration with Smile Group, a leader in open source, suggests potential exposure to diverse technologies and projects, requiring adaptability and a broad understanding of digital ecosystems.

📈 Primary Responsibilities

• Conduct comprehensive user research, including ethnography and stakeholder interviews, to deeply understand user needs, motivations, and behaviors.

• Perform competitive benchmarking and identify best practices to inform design strategies and inspire innovative solutions.

• Develop detailed personas based on gathered data and client information to represent target user groups effectively.

• Facilitate engaging workshops and co-creation sessions with clients and internal teams to drive consensus and foster user-centric design thinking.

• Collaborate closely with development, visual design, and project management teams to ensure cohesive and high-quality product delivery.

• Plan and execute qualitative and quantitative user testing to evaluate design effectiveness, identify areas for improvement, and iterate on solutions.

• Champion accessibility standards (Design for All) and integrate them into the design process, with opportunities for internal training.

• Present and defend design concepts and recommendations to clients and stakeholders at various levels.

📝 Enhancement Note: The responsibilities highlight a blend of deep user insight generation, strategic design application, and client-facing facilitation, typical of a consulting UX role. The emphasis on "evangelization" and "co-creation" suggests a need for strong communication and persuasion skills to guide clients through the UX design process.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, diplomas or certificates in UX, methodologies, or digital design are considered a significant asset.

Experience: A minimum of 3 years of experience as a UX Designer, ideally gained within an agency or freelance environment. This experience should demonstrate a proven track record of applying and testing various methodologies across diverse client projects and challenges.

Required Skills:

• Proficient in user research methodologies (ethnography, interviews, surveys).

• Skilled in creating user personas and journey maps.

• Experienced in facilitating workshops and co-creation sessions.

• Strong understanding of user testing (qualitative and quantitative).

• Expertise in UX design tools such as Miro, Mural, and Jira.

• Excellent verbal and interpersonal communication skills for client interaction and presentation.

• Fluent in French (written and spoken).

• Good command of English (written and spoken).

• Demonstrated team-player attitude with curiosity, innovation, and reactivity.

• Strong sense of autonomy, empathy, open-mindedness, listening skills, and critical/analytical thinking.

Preferred Skills:

• Proficiency in Figma.

• Experience or training in accessibility standards (Design for All).

• Experience working on international projects.

📝 Enhancement Note: The experience requirement focuses on practical application and exposure to client challenges, suggesting that a candidate with diverse project experience, even if not in a formal corporate setting, would be highly valued. The emphasis on soft skills like empathy, communication, and analytical thinking is crucial for a client-facing consulting role.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A UX portfolio showcasing a variety of projects, applied methodologies, and the challenges addressed.

• Demonstration of problem-solving skills and how user-centric approaches were implemented to overcome client-specific issues.

• Examples of user research findings, persona development, and journey mapping.

• Case studies detailing the user testing process, insights gained, and subsequent design iterations.

Process Documentation:

• Documented workflows for user research, including planning, execution, and analysis.

• Examples of workshop facilitation plans and outcomes.

• Case studies illustrating the iterative design process, from ideation to testing and refinement.

• Evidence of how accessibility principles were integrated into design and development processes.

📝 Enhancement Note: While a portfolio is not strictly mandatory, it is highlighted as a "real plus." This suggests that candidates should prepare to present their work, focusing on the process, methodology, and impact of their UX design contributions. The portfolio should clearly articulate how the candidate translates user needs into effective design solutions.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for a UX Designer with 3+ years of experience in Luxembourg, a competitive salary range is estimated between €55,000 and €75,000 annually, depending on specific experience, skills, and the exact scope of responsibilities.

Benefits:

• Opportunity to work with a leading open-source group (Smile Group) and a specialized UX agency (UX-Republic).

• Access to a broad network of skills and knowledge within the Smile Group for personal and professional growth.

• Involvement in diverse and challenging digital transformation projects for international clients.

• Opportunities for internal training, particularly in emerging areas like accessibility.

• Collaborative and innovative work environment.

• Potential for career advancement within the Smile Group's various expert domains.

• Standard benefits package applicable in Luxembourg, likely including health insurance, pension contributions, and paid time off.

Working Hours: The standard working hours for a full-time position in Luxembourg are typically 40 hours per week, with potential for some flexibility depending on project demands and team agreements.

📝 Enhancement Note: Salary estimates for Luxembourg are based on data from reputable compensation platforms and consider the cost of living and typical salary structures for tech and design roles in the region. Benefits are inferred based on the company's positioning as a large, international group with a focus on employee development.

🎯 Team & Company Context

🏢 Company Culture

Industry: The company operates within the Digital Transformation, Consulting, and Technology sectors, specifically focusing on User Experience (UX) Design through its agency UX-Republic, and broader open-source solutions via Smile Group. This dual focus provides a unique blend of creative design and robust technological implementation.

Company Size: Smile Group is an international company with a significant employee base, described as a leader in open source. UX-Republic, as an integrated agency, benefits from this larger ecosystem, offering both specialized expertise and the resources of a larger organization. This size implies opportunities for structured career paths and diverse project exposures.

Founded: UX-Republic, founded with strong expertise in France, has expanded internationally. Its integration into the Smile Group, a leader in open source, suggests a company built on innovation and a commitment to leveraging cutting-edge technologies. The company's history indicates a growth-oriented trajectory and a focus on expanding its European presence.

Team Structure:

• The UX-Republic team within Smile Luxembourg likely consists of UX designers, UI designers, and potentially UX researchers, working on client-facing projects.

• They report into a management structure overseeing the digital agency's operations in Luxembourg.

Methodology:

• Data-driven decision-making is central, with an emphasis on user research and analytics to inform design.

• Workflow planning and optimization are critical, ensuring efficient project delivery and continuous improvement of processes.

• Automation and efficiency practices are likely integrated through the use of modern UX and project management tools.

Company Website: https://jobs.smile.eu

📝 Enhancement Note: The company culture is likely a blend of consulting agility and the stability of a larger enterprise. UX-Republic's specialization in UX suggests a creative, user-centric environment, while Smile Group's open-source foundation implies a forward-thinking, collaborative, and technically proficient atmosphere.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as a mid-level position, requiring at least 3 years of dedicated UX design experience. It offers a significant opportunity to deepen expertise in user research, interaction design, and client consultation within a dynamic agency setting.

Reporting Structure: The UX Designer will likely report to a UX Lead, Design Manager, or Head of UX within UX-Republic Luxembourg. They will work collaboratively with project managers and client stakeholders.

Operations Impact: The UX Designer's impact is directly tied to enhancing client user experiences, driving digital transformation, and contributing to the success of client projects. By ensuring intuitive and effective interfaces, they influence user adoption, customer satisfaction, and ultimately, the business outcomes for Smile's clients.

Growth Opportunities:

• Operations Skill Advancement: Deepen expertise in specialized UX areas like accessibility, service design, or UX strategy through project work and internal training.

• Leadership Development: Progress to a Senior UX Designer role, mentoring junior designers, leading projects, and taking on more strategic client advisory responsibilities.

• Cross-Disciplinary Learning: Gain exposure to Smile Group's other areas of expertise (Data, Digital, IoT, Cloud) through collaboration, potentially leading to broader project involvement or specialization shifts.

📝 Enhancement Note: The growth path emphasizes both deepening UX expertise and expanding into broader digital strategy or leadership roles, leveraging the diverse capabilities of the Smile Group. The hybrid nature of the role suggests opportunities for both focused individual work and collaborative team engagement.

🌐 Work Environment

Office Type: The role is described as Hybrid, indicating a mix of in-office and remote work. The Smile Luxembourg office in Differdange is likely a modern, professional workspace designed to foster collaboration and innovation.

Office Location(s): The primary office location is Differdange, Luxembourg. This location offers access to a vibrant business environment within the Grand Duchy.

Workspace Context:

• The workspace will likely feature collaborative areas for team meetings, workshops, and brainstorming sessions, facilitating effective cross-functional interaction.

• Access to standard office technology, including high-speed internet, meeting rooms equipped for hybrid collaboration, and potentially specialized design hardware or software.

• Opportunities for informal interactions with colleagues from UX-Republic and other Smile Group divisions, fostering knowledge sharing and a sense of community.

Work Schedule: The standard 40-hour work week provides a structured schedule, with the hybrid model allowing for flexibility in managing personal and professional commitments. This arrangement supports focused work time both at home and in the office.

📝 Enhancement Note: The hybrid work environment is a key characteristic, suggesting a balance between focused individual work and collaborative team engagement. Candidates should be prepared to manage their time effectively across both settings to maximize productivity and teamwork.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and portfolio (if provided) to assess alignment with the role's requirements and experience level.

• Technical Interview: A discussion focusing on your UX methodologies, problem-solving approach, and technical proficiency with UX tools. This may involve a case study presentation or a practical design challenge.

• Workshop/Client Scenario Simulation: You may be asked to demonstrate your facilitation skills or how you would approach a specific client problem, simulating workshop or client interaction scenarios.

• Team/Cultural Fit Interview: An opportunity to meet with potential team members and hiring managers to assess your collaborative style, cultural alignment, and motivation.

• Final Interview: May involve senior leadership to discuss career aspirations and overall fit within Smile Group.

Portfolio Review Tips:

• Process Focus: Clearly articulate the "why" behind your design decisions. Showcase your end-to-end UX process, from initial research to final testing and iteration.

• Problem-Solution Narrative: Structure your case studies around specific client problems and how your UX solutions addressed them, highlighting the impact and results achieved.

• Methodology Demonstration: Detail the specific UX methodologies (e.g., user interviews, persona creation, journey mapping, usability testing) you employed and why they were appropriate for the project.

• Tool Proficiency: Briefly mention the tools you used (Miro, Mural, Jira, Figma) and how they facilitated your work.

• Quantifiable Results: Whenever possible, include metrics or qualitative feedback that demonstrate the success of your designs (e.g., improved conversion rates, reduced task completion times, increased user satisfaction).

• Conciseness: Present your most impactful projects clearly and concisely.

Challenge Preparation:

• Be prepared to discuss how you handle challenging client requests or conflicting stakeholder opinions.

• Practice articulating your design rationale clearly and persuasively.

• Familiarize yourself with Smile Group's services and UX-Republic's approach to digital transformation.

• Review common UX design challenges and how you would approach them in a consulting context.

📝 Enhancement Note: The interview process is designed to evaluate not only technical UX skills but also consulting capabilities, client-facing communication, and collaborative potential. A strong portfolio that demonstrates a structured, user-centered approach and tangible results will be highly advantageous.

🛠 Tools & Technology Stack

Primary Tools:

• Miro/Mural: Essential for collaborative ideation, workshop facilitation, workflow mapping, and brainstorming sessions. Proficiency is key for dynamic team and client engagement.

• Jira: Crucial for project management, task tracking, and collaboration with development teams, enabling seamless integration of UX into agile workflows.

• Figma: A significant plus for wireframing, prototyping, and design handoff. Familiarity demonstrates modern design workflow capabilities.

Analytics & Reporting:

CRM & Automation:

• Awareness of how UX design impacts CRM functionality and customer journeys within automated workflows is beneficial for a holistic understanding of client needs.

📝 Enhancement Note: The emphasis on Miro, Mural, and Jira signifies a highly collaborative and agile design process. Proficiency in these tools is critical for day-to-day operations and effective teamwork. Figma is a strong differentiator, indicating a modern approach to design and prototyping.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A core belief in placing the user at the heart of all design decisions, driving empathy and informed design choices.

• Innovation & Curiosity: A drive to explore new ideas, methodologies, and technologies to deliver cutting-edge user experiences.

• Collaboration: A commitment to working effectively with diverse teams (developers, visual designers, project managers, clients) to achieve shared goals.

• Excellence & Quality: A dedication to delivering high-quality, impactful design solutions that meet both user needs and business objectives.

• Agility & Reactivity: The ability to adapt quickly to changing project requirements and client needs, delivering solutions efficiently.

Collaboration Style:

• Cross-functional Integration: Active participation in and contribution to multidisciplinary project teams, ensuring seamless communication and alignment between design, development, and business goals.

• Open Communication: Fostering an environment where feedback is openly shared, design decisions are transparently communicated, and constructive dialogue is encouraged.

• Knowledge Sharing: A culture that promotes learning from each other, sharing best practices, and collectively enhancing the team's UX expertise.

📝 Enhancement Note: The values emphasize a proactive, user-focused, and collaborative approach. Candidates who can demonstrate these qualities through their past experiences and communication style will likely resonate well with the team's ethos.

⚡ Challenges & Growth Opportunities

Challenges:

• Bridging User Needs and Business Goals: Effectively balancing the often-competing demands of user desires and client business objectives to create solutions that are both desirable and viable.

• Managing Stakeholder Expectations: Navigating diverse stakeholder opinions and requirements, ensuring buy-in and alignment throughout the design process.

• Adapting to Diverse Project Scopes: Quickly understanding and adapting to the unique challenges and contexts of various client projects across different industries.

• Keeping Pace with Evolving Technologies: Continuously learning and integrating new UX tools, methodologies, and digital trends to maintain a leading edge.

Learning & Development Opportunities:

• Specialized UX Training: Opportunities for formal training and certifications in advanced UX topics, accessibility, or specific design methodologies.

• Industry Exposure: Involvement in client projects across various sectors, providing broad exposure to different business challenges and user contexts.

• Mentorship: Potential for guidance from senior UX professionals within UX-Republic and Smile Group, fostering career development.

• Internal Knowledge Sharing: Access to workshops, brown-bag sessions, and internal communities of practice within Smile Group to share expertise and learn from peers.

📝 Enhancement Note: The role presents opportunities to tackle complex design problems in a consulting environment, fostering resilience and strategic thinking. Continuous learning is essential, with ample avenues provided by Smile Group's diverse expertise.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to balance conflicting user needs with business constraints. How did you approach it, and what was the outcome?" (Focus on your process, decision-making criteria, and negotiation skills.)

• "How would you approach designing a new feature for [mention a hypothetical product/service relevant to Smile Group, e.g., an open-source platform]? Walk us through your research and design process." (Demonstrate your structured approach, tool usage, and ability to articulate your design rationale.)

Company & Culture Questions:

• "What interests you about UX-Republic and Smile Group's approach to digital transformation and open source?" (Research their services, recent projects, and company values.)

• "How do you see yourself contributing to our collaborative team environment and company culture?" (Align your personal values and work style with their stated culture.)

Portfolio Presentation Strategy:

• Tell a Story: For each project, narrate the journey from problem to solution, highlighting your role, the challenges faced, and the impact of your work.

• Show, Don't Just Tell: Use visuals (wireframes, mockups, user flows, personas) to illustrate your process and design outcomes.

• Focus on Process: Detail how you arrived at your design decisions, emphasizing the user research and testing that informed your choices.

• Quantify Impact: Where possible, use data and metrics to demonstrate the success of your designs. If direct metrics are unavailable, use qualitative feedback or anticipated benefits.

• Be Concise: Aim for clarity and impact. Prepare to present your key projects within a given timeframe.

📝 Enhancement Note: Interview preparation should focus on showcasing both strong UX design fundamentals and effective consulting skills. Be ready to articulate your thought process, demonstrate problem-solving abilities, and align your experience with Smile Group's values and operational context.

📌 Application Steps

To apply for this UX Designer position:

• Submit your application through the provided link on the Smile Group jobs portal.

• Tailor your Resume: Highlight your 3+ years of UX design experience, emphasizing agency or freelance work, and showcase specific methodologies applied and client challenges overcome. Integrate keywords like "User Research," "Benchmarking," "Personas," "Workshop Facilitation," "User Testing," and proficiency with Miro, Mural, and Jira.

• Prepare Your Portfolio: Curate 2-3 of your most impactful UX projects. Focus on presenting the problem, your process (research, ideation, testing), your solutions, and the quantifiable or qualitative results. Be ready to walk through it confidently.

• Research Smile Group & UX-Republic: Understand their services, client portfolio, and commitment to open source. Familiarize yourself with their approach to digital transformation and UX consulting.

• Practice Your Pitch: Prepare to articulate your motivations for this role, your strengths as a UX designer and team player, and how your skills align with the company's needs. Be ready to discuss your experience with collaboration and client interaction.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

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