UX Designer Sénior H/F

📍 Job Overview

Job Title: UX Designer Sénior H/F

Company: NEXTON

Location: Montpellier, Occitanie, France

Job Type: Temps complet (Full-time)

Category: Design / User Experience

Date Posted: April 16, 2026

Experience Level: 7+ years

Remote Status: On-site

🚀 Role Summary

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

• Conduct comprehensive user research, including qualitative and quantitative studies, interviews, and usability testing.

• Collaborate closely with UI Designers, Product Owners, and Developers in an agile environment to drive digital innovation.

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

• Specialize in mobile-first and mobile application design, ensuring robust responsive and native user experiences.

📝 Enhancement Note: This role is positioned as a Senior UX Designer within a consulting and digital innovation firm (NEXTON). The emphasis on "piloter l’ensemble des étapes du Design Thinking" and "au moins 7 ans d’expérience" indicates a leadership and strategic contribution expectation beyond standard execution. The requirement to work with large clients (SNCF, Orange, BNP Paribas) implies a need for strong stakeholder management and the ability to navigate complex organizational structures.

📈 Primary Responsibilities

• Drive the entire Design Thinking lifecycle, encompassing user research, ideation, prototyping, and user testing.

• Execute user research methodologies, including in-depth interviews, surveys, heuristic evaluations, and competitive analysis to uncover user needs and pain points.

• Define project scope, user objectives, and key design challenges, translating business needs into user-centered design solutions.

• Facilitate and animate ideation and co-design workshops with diverse stakeholder groups to foster collaboration and gather input.

• Develop and present a range of UX deliverables, including sitemaps, user journey maps, wireframes, and interactive prototypes, ensuring clarity and stakeholder buy-in.

• Plan, conduct, and analyze user testing sessions to validate design concepts, gather feedback, and drive iterative improvements.

• Coordinate seamlessly with UI Designers, UX Researchers, UX Writers, and Lead UX professionals to ensure a cohesive and high-quality user experience.

• Apply expertise in mobile-first design principles and mobile application design standards for both responsive and native platforms (iOS/Android).

📝 Enhancement Note: The responsibilities clearly indicate a senior-level UX Designer who is expected to lead projects, not just execute tasks. The emphasis on "piloter," "mener," and "animer" suggests autonomy and the ability to guide design processes and teams. The mention of coordinating with multiple roles (UI, UX Researcher, UX Writer, Lead UX) highlights the need for strong communication and collaboration skills within a design ecosystem.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong portfolio demonstrating expertise in UX design principles and methodologies is paramount. Bachelor's or Master's degree in Design, HCI, Psychology, or a related field is often preferred for senior roles.

Experience: Minimum of 7 years of proven experience as a UX Designer, with a significant portion dedicated to UX Research and mobile-first/mobile application projects.

Required Skills:

• Deep understanding and practical application of UX methodologies and the Design Thinking process.

• Extensive experience in conducting user research (qualitative and quantitative), including user interviews, surveys, and usability testing.

• Proven ability to design for mobile-first and mobile applications (responsive, iOS, Android).

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

• Demonstrated experience in creating and presenting UX deliverables: information architecture, user flows, wireframes, and interactive prototypes.

• Strong analytical skills, meticulous attention to detail, and creative problem-solving abilities.

• Excellent team player with proven experience working effectively in agile development environments.

Preferred Skills:

• Experience with UX Research tools and analytics platforms.

• Familiarity with front-end development principles to better collaborate with engineers.

• Experience in a consulting environment or with large enterprise clients.

• Knowledge of UX writing principles and best practices.

• Experience facilitating co-design workshops and ideation sessions.

📝 Enhancement Note: The "7+ years of experience" and the broad scope of responsibilities strongly suggest that candidates will be evaluated not just on their technical UX skills but also on their strategic thinking, leadership potential, and ability to mentor junior designers. The emphasis on mobile-first and mobile applications indicates a need for specialized expertise in this area, beyond general web UX.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase end-to-end UX design projects, clearly demonstrating your involvement from problem definition to final solution.

• Highlight your user research process, including how you gathered insights, synthesized data, and translated findings into design decisions.

• Present case studies that detail your approach to information architecture, user flows, wireframing, and prototyping.

• Include examples of mobile-first and mobile application design projects, emphasizing responsive design and native platform considerations.

Process Documentation:

• For each project in your portfolio, clearly articulate the design process followed, including any specific UX methodologies or frameworks used (e.g., Design Thinking, Lean UX).

• Document how you managed stakeholder expectations and collaborated with cross-functional teams (UI designers, developers, Product Owners).

• Provide examples of how you used data and user feedback to drive design iterations and optimize user experience.

• Illustrate your ability to define and measure UX success metrics.

📝 Enhancement Note: For a senior UX role, the portfolio is critical. It should not just be a collection of screens but a narrative that explains the why and how behind design decisions. The emphasis on user research and mobile-first requires specific examples of how these aspects were central to the projects presented. The ability to articulate process and impact is key for senior candidates.

💵 Compensation & Benefits

Salary Range: Based on the location (Montpellier, France), the senior experience level (7+ years), and the specialized skills in UX design and research, a competitive salary range for a Senior UX Designer in France would typically fall between €50,000 and €70,000 gross per year. This can vary based on the specific client projects, the candidate's negotiation skills, and the exact scope of responsibilities.

Benefits:

• Dynamic communities for professional networking and support.

• Regular Meetups for skill development and knowledge sharing.

• Access to professional training programs for continuous learning and career advancement.

• Opportunities to participate in sporting and festive events for personal well-being and team building.

• A sustainable mobility package to support commuting and eco-friendly transportation.

• A latest-generation mobile phone provided for professional use.

Working Hours: Standard full-time working hours in France are typically 35-40 hours per week. This role is full-time (Temps complet), implying a commitment of approximately 40 hours per week, with potential for flexibility depending on project demands and company policy.

📝 Enhancement Note: The salary estimation is based on industry benchmarks for senior UX Designers in France, specifically in a major city like Montpellier, considering the demand for specialized skills in UX research and mobile design. The benefits listed are directly extracted from the provided text and highlight NEXTON's focus on employee development, well-being, and modern work perks.

🎯 Team & Company Context

🏢 Company Culture

Industry: NEXTON operates within the Digital Transformation, Consulting, and IT Services (ESN) sectors, focusing on helping large clients and pure players with their digital strategy, innovation, and development. The company blends the expertise of a consulting firm, the creativity of a "Factory," and the dynamism of an ESN.

Company Size: Over 450 experts. This indicates a medium-to-large sized company, offering a stable yet dynamic environment with opportunities for growth and diverse project exposure.

Founded: 2011. This provides a decade+ of experience in the digital innovation space, suggesting a mature company with established processes and a solid client base.

Team Structure:

• The UX Designer will be part of a larger digital/product team, working closely with UI Designers, Product Owners, and Developers.

• The role involves coordination with other specialized design roles such as UX Researcher, UX Writer, and Lead UX, suggesting a structured design department or practice.

Methodology:

• NEXTON emphasizes agile methodologies, requiring team members to be proficient in collaborative, iterative development processes.

• The company's approach integrates consulting expertise with creative "Factory" output and ESN delivery capabilities, suggesting a blended methodology that values both strategic thinking and hands-on execution.

• A strong focus on digital strategy, innovation, and product development is evident.

Company Website: https://www.nexton.com/ (Inferred from domain_derived)

📝 Enhancement Note: NEXTON's self-description as a blend of consulting, factory, and ESN suggests a culture that values both strategic insight and practical execution. The company size implies a significant network of experts and a wide range of client projects, offering ample opportunities for learning and career advancement. The core focus on digital transformation means that operations professionals will be at the forefront of innovative client solutions.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as a Senior UX Designer, indicating a mid-to-senior level position. It requires at least 7 years of experience and involves leading design processes, conducting in-depth research, and coordinating with various teams. This level typically signifies an individual contributor with significant autonomy and expertise, capable of mentoring junior staff and influencing project direction.

Reporting Structure: The Senior UX Designer will work closely with UI Designers, Product Owners, and Developers within agile project teams. They will also coordinate with specialized roles like UX Researcher, UX Writer, and Lead UX. The direct reporting line is not explicitly stated but would likely be to a Design Lead, Head of UX, or a Project Manager, depending on the project structure.

Operations Impact: The UX Designer's impact is directly tied to enhancing user experience for NEXTON's clients (SNCF, Orange, BNP Paribas), thereby influencing product adoption, user satisfaction, and ultimately, client business objectives. By leading Design Thinking and ensuring user-centered solutions, they contribute to the success and innovation of digital products and strategies.

Growth Opportunities:

• Skill Specialization: Deepen expertise in UX Research, mobile-first design, or specific areas of interaction design.

• Leadership Development: Transition into a Lead UX Designer role, managing design teams, or a Design Manager position overseeing design strategy.

• Cross-functional Expertise: Develop a broader understanding of product management, agile coaching, or digital strategy consulting.

• Client Engagement: Gain experience working with a diverse range of large-scale clients and complex digital transformation projects.

• Community Contribution: Actively participate in NEXTON's dynamic communities and meetups, sharing knowledge and mentoring others.

📝 Enhancement Note: The senior designation and the emphasis on leading processes suggest that growth opportunities will involve taking on more strategic responsibilities, potentially moving into team leadership or specialized consulting roles. NEXTON's focus on "communautés dynamiques" and "formations" indicates a commitment to continuous learning and internal development for its employees.

🌐 Work Environment

Office Type: The role is described as "On-site" in Montpellier, France. This suggests a traditional office environment where collaboration and in-person interaction with colleagues are prioritized. NEXTON's description as a consulting firm and "Factory" implies a dynamic, possibly open-plan, workspace designed for collaboration and creative output.

Office Location(s): Montpellier, France, a vibrant city in the Occitanie region. This location offers a good quality of life and is a hub for technology and innovation in the South of France.

Workspace Context:

• The workspace will likely facilitate close collaboration with UI Designers, Product Owners, and Developers, fostering an agile team dynamic.

• Access to modern design tools and technology is implied, given the nature of UX design work.

• Opportunities for informal interaction and knowledge sharing through company events and communities are a key aspect of the work environment.

Work Schedule: The position is full-time ("Temps complet"), typically around 40 hours per week. While on-site, there may be some flexibility depending on project needs and company culture, but the core expectation is consistent office presence for collaborative work.

📝 Enhancement Note: As an "On-site" role, the work environment is crucial. The emphasis on collaboration within agile teams and the company's culture of "Factory" and consulting implies a stimulating and interactive office setting. Candidates should expect an environment where team synergy and direct communication are highly valued.

📄 Application & Portfolio Review Process

Interview Process:

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

• Technical Interview(s): Discussions focused on UX methodologies, design thinking, user research techniques, and mobile-first design principles. Expect scenario-based questions and deep dives into portfolio projects.

• Portfolio Presentation: A dedicated session where candidates present selected case studies from their portfolio, explaining their process, decisions, and outcomes. This is a critical step for senior roles.

• Team/Cultural Fit Interview: Meeting with potential colleagues (e.g., Lead UX, Product Owner, Developers) to assess collaboration style, communication skills, and cultural alignment with NEXTON's values.

• Final Interview: May involve a discussion with senior management or a hiring lead to finalize the offer.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 strong, relevant projects that showcase your senior-level capabilities, particularly in user research and mobile-first design.

• Tell a Story: Structure each case study with a clear narrative: the problem, your role, the process, the challenges, your solutions, and the measurable impact/outcomes.

• Highlight Your Process: Detail your user research methods, how you synthesized insights, and how these informed your design decisions (wireframes, prototypes).

• Showcase Mobile Expertise: Emphasize mobile-first strategies, responsive design, and native application considerations in your examples.

• Quantify Impact: Where possible, provide metrics (e.g., improved conversion rates, reduced task completion time, increased user satisfaction scores) to demonstrate the value of your work.

• Prepare for Questions: Be ready to discuss your design rationale, trade-offs made, and how you handled disagreements or challenging stakeholder feedback.

Challenge Preparation:

• Be prepared for a potential design challenge or an in-depth discussion about a hypothetical UX problem relevant to NEXTON's clients.

• Focus on demonstrating your problem-solving approach, your ability to think critically, and your user-centered design philosophy.

• Practice articulating your thoughts clearly and concisely, especially when explaining complex design concepts or processes.

📝 Enhancement Note: The interview process for a senior role heavily relies on the portfolio presentation. Candidates must be prepared to articulate their strategic thinking, leadership in design processes, and the tangible impact of their work. NEXTON's agile and collaborative environment means that teamwork and communication skills will be as important as technical UX proficiency.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Figma, Sketch, Adobe XD, Axure (Proficiency in at least one is required; familiarity with multiple is a plus).

• User Research: Tools for surveys (e.g., SurveyMonkey, Typeform), user interview platforms (e.g., Zoom, Google Meet), and potentially dedicated UX research platforms.

• Collaboration: Tools for team communication and project management within agile frameworks (e.g., Jira, Confluence, Slack, Microsoft Teams).

Analytics & Reporting:

• Familiarity with web and mobile analytics tools (e.g., Google Analytics, Amplitude, Mixpanel) to understand user behavior and measure design impact.

CRM & Automation:

• While not a primary focus for UX, understanding how CRM systems (e.g., Salesforce) and marketing automation tools integrate with user-facing applications can be beneficial for holistic product design.

📝 Enhancement Note: The required tools are standard for senior UX Designers. The emphasis on Figma, Sketch, and Axure points to the need for robust prototyping and wireframing capabilities. Familiarity with analytics tools is essential for a senior role that involves measuring the impact of UX initiatives.

👥 Team Culture & Values

Operations Values:

• Client-Centricity: A strong focus on understanding and meeting client needs to deliver innovative digital solutions.

• Collaboration: Emphasis on teamwork, cross-functional cooperation, and shared ownership within agile project teams.

• Excellence & Quality: Commitment to delivering high-quality design work and driving digital transformation through expertise.

• Innovation & Creativity: Encouraging new ideas and creative problem-solving to address complex challenges.

• Continuous Improvement: A culture that values learning, skill development, and adapting to new technologies and methodologies.

Collaboration Style:

• Agile & Iterative: Working within agile frameworks means frequent collaboration, feedback loops, and iterative development cycles.

• Cross-Functional Integration: Close partnership with UI Designers, Product Owners, Developers, UX Researchers, and UX Writers to ensure holistic product development.

• Workshop Facilitation: Active participation in and facilitation of co-design and ideation workshops with diverse stakeholders.

• Open Communication: Encouraging transparent communication and constructive feedback within project teams and company communities.

📝 Enhancement Note: NEXTON's culture appears to foster a dynamic and collaborative environment where employees are encouraged to grow and contribute to client success. The values reflect a blend of consulting rigor, creative execution, and a forward-thinking approach to digital innovation.

⚡ Challenges & Growth Opportunities

Challenges:

• Navigating Client Complexity: Working with large enterprise clients like SNCF, Orange, and BNP Paribas can involve complex organizational structures, diverse stakeholder needs, and legacy systems.

• Balancing User Needs with Business Requirements: Effectively advocating for user-centered design while aligning with business objectives and technical constraints.

• Rapid Technological Evolution: Staying abreast of the latest UX trends, tools, and mobile design patterns in a fast-paced digital landscape.

• Managing Multiple Projects: As a senior designer in a consulting firm, you may be involved in several projects simultaneously, requiring strong time management and prioritization skills.

Learning & Development Opportunities:

• Advanced UX Research Techniques: Opportunities to deepen expertise in specialized research methods.

• Leadership and Mentorship: Potential to lead design initiatives, mentor junior designers, and contribute to the growth of NEXTON's design practice.

• Exposure to Diverse Industries: Working on projects for various large-scale clients provides broad industry exposure and understanding.

• Continuous Skill Enhancement: Access to internal communities, meetups, and training programs designed to foster ongoing professional development.

📝 Enhancement Note: The challenges presented are typical for senior roles in a consulting environment, emphasizing the need for adaptability, strong problem-solving skills, and effective stakeholder management. The growth opportunities highlight NEXTON's commitment to employee development and career progression.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex UX problem you solved for a mobile application. What was your process, and what was the outcome?" (Focus on demonstrating your end-to-end UX process, research, and impact).

• "How do you approach user research when you have limited time or resources?" (Showcase your adaptability and pragmatic approach to research).

• "Walk us through a project where you had to balance conflicting stakeholder requirements with user needs." (Highlight your negotiation, communication, and prioritization skills).

Company & Culture Questions:

• "What interests you about NEXTON and our work with clients like SNCF and Orange?" (Research NEXTON's projects and values; connect them to your career aspirations).

• "How do you collaborate with UI Designers and Developers in an agile environment?" (Emphasize your teamwork, communication, and understanding of the development lifecycle).

• "Describe your experience with mobile-first design and native app design (iOS/Android)." (Be ready to share specific examples and technical considerations).

Portfolio Presentation Strategy:

• Select Impactful Projects: Choose projects that best demonstrate your senior-level capabilities, particularly in user research and mobile design.

• Structure Your Narrative: For each project, clearly define the problem, your role, your process (research, ideation, design, testing), the solutions, and the quantifiable impact.

• Highlight Your UX Process: Clearly articulate how you arrived at your design decisions, emphasizing user research and data-driven insights.

• Showcase Mobile-First Thinking: Detail your approach to responsive design and native mobile application UX.

• Be Prepared for Q&A: Anticipate questions about your design choices, challenges faced, and how you measured success.

📝 Enhancement Note: Interview preparation for a Senior UX Designer role at a firm like NEXTON should focus on demonstrating strategic thinking, leadership in design processes, and the ability to articulate impact. The portfolio presentation is key, so practice explaining your process and outcomes clearly and concisely.

📌 Application Steps

To apply for this operations position:

• Submit your application through the provided link on SmartRecruiters.

• Tailor Your Resume: Highlight your 7+ years of UX design experience, with a strong emphasis on UX Research, mobile-first design, and proficiency in key tools (Figma, Sketch, Axure). Quantify achievements where possible.

• Curate Your Portfolio: Select 2-3 strong case studies that best represent your senior-level expertise, focusing on user research, mobile application design, and demonstrable impact. Ensure your portfolio clearly outlines your process and role in each project.

• Prepare for Presentation: Practice presenting your portfolio case studies concisely and effectively, ready to discuss your design rationale and decision-making process.

• Research NEXTON: Understand the company's mission, clients, and culture. Prepare thoughtful questions about the role, team, and projects to demonstrate your engagement and interest.

⚠️ 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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