UX Designer Sénior H/F

📍 Job Overview

Job Title: UX Designer Sénior H/F

Company: NEXTON

Location: Montpellier, France

Job Type: Temps complet (Full-time)

Category: UX/UI Design & Product Development

Date Posted: May 19, 2026

Experience Level: Senior (7+ years)

Remote Status: On-site

🚀 Role Summary

• Lead end-to-end UX design processes, from initial user research to the delivery of validated prototypes.

• Drive user research initiatives, including qualitative and quantitative studies, interviews, and usability testing.

• Frame design problems, define objectives, and facilitate ideation workshops with stakeholders.

• Produce and present comprehensive UX deliverables such as information architecture, user flows, wireframes, and interactive prototypes.

• Collaborate closely with UI Designers, Product Owners, and Developers within an agile framework.

• Ensure a strong focus on mobile-first design principles and experience with iOS/Android applications.

📝 Enhancement Note: This role is specifically for a Senior UX Designer with a strong emphasis on UX Research and mobile-first application design, requiring collaboration within an agile team environment. The "H/F" designation indicates the role is open to all genders.

📈 Primary Responsibilities

• Orchestrate and execute the entire UX design lifecycle, from conceptualization through to tested and refined prototypes.

• Conduct comprehensive user research, including qualitative and quantitative studies, user interviews, usability testing, ergonomic audits, and competitive analysis to gather actionable insights.

• Define user needs, establish clear design objectives, and articulate complex design problems for the team and stakeholders.

• Facilitate and animate ideation and co-design workshops, fostering collaboration and creative problem-solving among diverse project teams.

• Develop and present key UX deliverables, including information architecture maps, detailed user journey flows, zoning layouts, precise wireframes, and interactive prototypes.

• Plan, conduct, and analyze user testing sessions to validate design solutions and drive iterative improvements based on user feedback.

• Coordinate and communicate effectively with UI Designers, UX Researchers, UX Writers, and Lead UX professionals to ensure cohesive product development.

• Apply mastery of mobile-first standards and extensive experience with mobile applications (responsive design, iOS, and Android platforms).

📝 Enhancement Note: The responsibilities highlight a senior-level expectation for leading UX initiatives, demonstrating strong analytical and research capabilities, and managing the entire design process from discovery to validation, with a particular focus on mobile user experiences within an agile context.

கல் Skills & Qualifications

Education: While no specific degree is mandated, a Bachelor's or Master's degree in Human-Computer Interaction (HCI), Design, Psychology, or a related field is often preferred for senior UX roles. Equivalent practical experience will also be considered.

Experience: Minimum of 7 years of professional experience specifically as a UX Designer, with a proven track record in UX Research and mobile-first projects.

Required Skills:

• Profound understanding and application of UX methodologies and best practices.

• Extensive experience in conducting user research, including qualitative and quantitative methods.

• Demonstrated ability to lead Design Thinking initiatives from start to finish.

• Strong experience with mobile-first design principles and native mobile application projects (iOS/Android).

• Proficiency in industry-standard UX design and prototyping tools such as Figma, Sketch, Adobe XD, or Axure.

• Proven experience organizing, conducting, and analyzing user testing sessions.

• Excellent collaboration and communication skills, with experience working effectively in agile team environments.

• Ability to frame design problems, define objectives, and facilitate ideation sessions.

Preferred Skills:

• Experience with ergonomic audits and competitive analysis in the tech/digital product space.

• Familiarity with UX writing principles and best practices.

• Understanding of UI design principles and the ability to collaborate effectively with UI designers.

• Experience in client-facing consulting environments.

• Familiarity with A/B testing methodologies for design optimization.

📝 Enhancement Note: The experience requirement is clearly stated as 7+ years, with a strong emphasis on UX Research and mobile-first projects, aligning with senior-level expectations. Proficiency in specific design tools is a must.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 3-5 comprehensive UX case studies demonstrating end-to-end design process ownership, from problem definition to final solution and impact.

• Include examples of user research methodologies applied, insights derived, and how they informed design decisions.

• Present clear examples of information architecture, user flows, wireframes, and interactive prototypes created for complex projects, ideally with a mobile-first focus.

• Detail the process of organizing and conducting user testing, including the analysis of findings and subsequent design iterations.

Process Documentation:

• Provide evidence of structured UX design processes, including phases for discovery, definition, ideation, prototyping, and testing.

• Showcase examples of how user insights and data were translated into actionable design specifications and improvements.

• Illustrate experience in documenting design decisions, rationale, and user feedback for stakeholder review and team alignment.

• Highlight methodologies used for iterative design and continuous improvement based on user feedback and performance metrics.

📝 Enhancement Note: A strong portfolio is critical for this role, requiring detailed case studies that not only display design artifacts but also the strategic thinking, research methodology, and iterative process behind them, with a specific emphasis on mobile-first and agile contexts.

💵 Compensation & Benefits

Salary Range: For a Senior UX Designer with 7+ years of experience in Montpellier, France, the estimated gross annual salary typically ranges from €50,000 to €70,000. This range can vary based on the candidate's specific expertise, the complexity of projects, and the exact client engagement.

Benefits:

• Dynamic Communities: Access to professional communities for networking and knowledge sharing.

• Meet Ups: Opportunities to attend regular meetups for skill development and industry insights.

• Training Programs: Comprehensive training opportunities to enhance UX skills and explore new areas.

• Sports and Festive Events: Participation in company-sponsored sports activities and social events.

• Sustainable Mobility Allowance: Support for eco-friendly commuting options.

• Latest Generation Phone: Provision of a contemporary mobile phone.

• Full-time Employment Contract (CDI).

Working Hours: Standard full-time working hours, typically 40 hours per week, with potential for flexibility depending on project needs and company policy.

📝 Enhancement Note: Salary is estimated based on industry benchmarks for senior UX roles in France, specifically Montpellier, considering the stated experience level. The listed benefits are directly from the job description, highlighting professional development and employee well-being.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology, Digital Transformation Consulting, and IT Services (ESN - Entreprise de Services du Numérique). NEXTON operates at the intersection of consulting, creative factory, and digital services, serving large accounts and pure players in digital innovation.

Company Size: Over 450 experts. This indicates a medium-to-large sized organization, offering a blend of stability and opportunities for growth, with established processes but also room for individual impact.

Founded: 2011. Founded relatively recently, NEXTON likely embodies a modern, dynamic, and agile company culture, less burdened by legacy structures and more focused on innovation and growth.

Team Structure:

• The UX Designer will work within project teams, collaborating closely with UI Designers, Product Owners, and Developers, operating under an agile methodology.

• There is a mention of coordination with Lead UX and UX Researchers, suggesting a dedicated UX practice or department within the company that fosters specialization and collaboration among UX professionals.

Methodology:

• Agile methodology is central to the team's working style, emphasizing iterative development, collaboration, and responsiveness to change.

• Design Thinking is the core framework for UX projects, guiding the process from user research to prototype delivery.

• A strong emphasis is placed on user-centric design, data-driven decision-making through research and testing, and collaborative co-creation.

Company Website: https://www.nexton.com/

📝 Enhancement Note: NEXTON positions itself as a modern, digitally-focused consultancy that blends strategic advising with hands-on creative and development execution. The company culture appears to value expertise, collaboration, and continuous learning within an agile and innovative framework.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior UX Designer role. It signifies a high level of expertise and autonomy, requiring the ability to lead complex projects, mentor junior designers, and influence design strategy. The role is expected to contribute significantly to client success and the company's design practice.

Reporting Structure: The Senior UX Designer will report to a Lead UX, UX Manager, or a Project Lead within the agile team structure. They will work in close collaboration with Product Owners and development teams.

Operations Impact: The UX Designer's impact is directly tied to the success of client digital transformation and innovation projects. By ensuring user-centered design and effective user experiences, they contribute to client satisfaction, product adoption, user engagement, and ultimately, the achievement of business objectives for NEXTON's clients.

Growth Opportunities:

• Specialization: Deepen expertise in specific areas of UX, such as UX Research, Service Design, or Accessibility.

• Leadership: Progress to Lead UX Designer roles, managing teams, client relationships, and strategic design initiatives.

• Mentorship: Opportunity to mentor junior UX/UI designers and contribute to the growth of the design community within NEXTON.

• Skill Development: Access to continuous training, meetups, and community events to stay abreast of the latest UX trends, tools, and methodologies.

• Client Impact: Gain exposure to a diverse range of clients and industries, building a robust portfolio and broad professional network.

📝 Enhancement Note: This senior role offers significant avenues for career advancement, both in terms of technical leadership and strategic influence within the design domain. The company's emphasis on communities and training supports continuous professional development.

🌐 Work Environment

Office Type: On-site role in Montpellier, France. This suggests a physical office environment designed for collaboration and focused work.

Office Location(s): Montpellier, Occitanie, France. This provides a specific geographical context for the on-site work arrangement.

Workspace Context:

• The workspace is designed to foster collaboration among cross-functional teams, including UI Designers, Product Owners, and Developers, operating in an agile setup.

• Access to relevant design tools (Figma, Sketch, etc.) and technology is expected to support the UX design process.

• Opportunities for direct interaction and knowledge sharing with other UX professionals, researchers, and leads within NEXTON's design community are likely.

Work Schedule: Full-time (Temps complet), typically around 40 hours per week. While on-site, the agile methodology may imply some flexibility in daily schedules, but the core requirement is presence in the Montpellier office.

📝 Enhancement Note: The on-site requirement in Montpellier emphasizes a collaborative, in-person work environment conducive to agile team dynamics and direct stakeholder interaction, which is often beneficial for complex design projects.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and portfolio to assess experience, skills, and alignment with the role requirements.

• Technical Interview: Discussion focused on UX methodologies, case studies from your portfolio, problem-solving approaches, and your experience with mobile-first design and agile environments. Expect questions about your process, decision-making, and how you handle user research and testing.

• Team/Cultural Fit Interview: Conversation with potential team members (e.g., other designers, Product Owners) to evaluate collaboration style, communication skills, and cultural alignment with NEXTON's values.

• Final Interview: May involve a presentation of a portfolio case study or a design challenge, followed by a discussion with senior management or the hiring manager.

Portfolio Review Tips:

• Curate Selectively: Focus on 3-5 of your strongest, most relevant case studies that showcase your senior-level UX expertise, particularly in mobile-first and agile contexts.

• Tell a Story: For each case study, clearly articulate the problem, your role, the process followed, the challenges encountered, your solutions, and the measurable impact or outcomes. Use visuals effectively.

• Highlight UX Research: Emphasize your UX research methodologies, how you gathered insights, and how those insights directly influenced your design decisions and led to successful outcomes.

• Demonstrate Iteration: Show how you used user feedback and testing results to iterate on designs and improve the user experience.

• Mobile-First Focus: Ensure your portfolio clearly demonstrates your experience and understanding of mobile-first design principles and application design for iOS/Android.

Challenge Preparation:

• Be prepared for potential design challenges that might assess your problem-solving skills, strategic thinking, and ability to work under time constraints.

• Practice articulating your design process and rationale clearly and concisely.

• Research NEXTON's clients and recent projects to understand their business context and potential design challenges.

📝 Enhancement Note: The interview process is likely to be thorough, with a strong emphasis on the candidate's portfolio as a demonstration of their practical skills and experience, especially in mobile-first design and UX research.

🛠 Tools & Technology Stack

Primary Tools:

• UX Design & Prototyping: Figma (highly prevalent), Sketch, Adobe XD, Axure. Proficiency in at least one is essential, with familiarity across multiple being advantageous.

• User Research Platforms: Tools for conducting user interviews, surveys, and usability testing (e.g., Lookback, UserTesting.com, Maze, SurveyMonkey).

• Collaboration Tools: Jira, Confluence (common in agile environments for project management and documentation).

Analytics & Reporting:

• While not explicitly listed as a primary UX tool, understanding how to interpret user analytics from tools like Google Analytics, Mixpanel, or Amplitude is beneficial for data-driven design decisions.

CRM & Automation:

• While not directly managed by UX, awareness of CRM systems (like Salesforce) and marketing automation platforms can provide context for user journeys and data integration points.

📝 Enhancement Note: Proficiency in industry-standard UX design and prototyping tools like Figma is a core requirement. Experience with user research platforms and agile project management tools will also be highly valuable.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A deep commitment to understanding and advocating for the user throughout the design process.

• Collaboration: Strong emphasis on teamwork, cross-functional partnerships, and open communication within agile teams.

• Innovation & Creativity: Encouraging new ideas, creative problem-solving, and pushing the boundaries of digital experiences.

• Excellence & Quality: A dedication to delivering high-quality, well-researched, and meticulously crafted design solutions.

• Continuous Learning: A culture that supports and encourages ongoing skill development and adaptation to new technologies and methodologies.

Collaboration Style:

• Agile & Iterative: Working in sprints, with frequent feedback loops and adaptation based on user testing and stakeholder input.

• Cross-Functional Partnership: Close collaboration with Product Owners, UI Designers, Developers, and UX Researchers, fostering a shared understanding and ownership of product goals.

• Workshop Facilitation: Actively leading and participating in co-design and ideation sessions to leverage collective intelligence.

• Open Communication: Encouraging transparent dialogue, constructive feedback, and knowledge sharing within the team and the broader NEXTON design community.

📝 Enhancement Note: NEXTON appears to foster a culture that values expertise, innovation, and collaboration, particularly within its agile project teams and its growing design community.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs with Business Goals: Effectively translating user research insights into designs that also meet client business objectives and technical constraints.

• Managing Stakeholder Expectations: Navigating diverse stakeholder opinions and ensuring buy-in for design recommendations.

• Rapidly Evolving Technologies: Staying current with new design tools, mobile OS updates, and emerging UX trends.

• Client Project Demands: Adapting to varying project scopes, timelines, and client-specific requirements within a consulting environment.

Learning & Development Opportunities:

• Advanced UX Techniques: Opportunities to specialize in areas like advanced UX research, service design, or interaction design.

• Industry Conferences & Workshops: Access to events and training to enhance skills and network with peers.

• Mentorship Programs: Formal or informal mentorship from senior designers and leadership within NEXTON.

• Exposure to Diverse Projects: Working with a variety of clients and industries to broaden experience and portfolio.

📝 Enhancement Note: The challenges are typical for a senior UX role in a consulting environment, emphasizing strategic problem-solving and client management. The growth opportunities are well-aligned with advancing a career in UX design.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex mobile-first UX project you led from concept to launch. What were the key challenges, and how did you overcome them?" (Focus on process, research, and outcomes.)

• "How do you approach user research when time or budget is limited? Can you provide an example?" (Demonstrate resourcefulness and strategic prioritization.)

• "How do you collaborate with UI designers and developers in an agile environment to ensure a cohesive and high-quality user experience?" (Highlight communication and integration skills.)

Company & Culture Questions:

• "What attracts you to NEXTON specifically, and how do you see yourself contributing to our design community?" (Research NEXTON's values and projects.)

• "How do you stay updated with the latest trends in UX design and mobile technology?" (Demonstrate a commitment to continuous learning.)

Portfolio Presentation Strategy:

• Structure Your Narrative: For each case study, clearly outline the problem statement, your specific role and responsibilities, the user research conducted, the design process, key decisions and rationale, challenges, solutions, and measurable results or learnings.

• Focus on Impact: Quantify the impact of your designs whenever possible (e.g., improved conversion rates, reduced user errors, increased engagement).

• Visual Storytelling: Use high-quality visuals (wireframes, prototypes, user flows) to illustrate your process and solutions effectively.

• Be Prepared to Dig Deep: Anticipate detailed questions about your design choices, research methodologies, and problem-solving approaches. Be ready to justify your decisions.

📝 Enhancement Note: Interview preparation should focus on articulating your senior-level UX process, demonstrating strong UX research capabilities, and showcasing your ability to collaborate effectively within an agile, client-focused environment.

📌 Application Steps

To apply for this Senior UX Designer position:

• Submit your CV and a compelling portfolio through the provided application link.

• Portfolio Customization: Ensure your portfolio prominently features case studies demonstrating your senior-level UX expertise, particularly in mobile-first design and agile project execution. Highlight your UX research methodologies and iterative design processes.

• Resume Optimization: Tailor your resume to highlight your 7+ years of experience, specific UX research skills, proficiency in key design tools (Figma, Sketch, etc.), and experience with mobile applications and agile development. Use keywords from the job description.

• Interview Preparation: Practice articulating your design process, problem-solving approaches, and how you drive user-centered design within cross-functional teams. Prepare to discuss your portfolio case studies in detail.

• Company Research: Familiarize yourself with NEXTON's services, client portfolio, and company culture. Understand their approach to digital innovation and consulting.

⚠️ 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.