Product Designer App mobile H/F

📍 Job Overview

Job Title: Product Designer App mobile H/F

Company: NEXTON

Location: Lyon, France

Job Type: Full-time

Category: Product Design / UX/UI Design

Date Posted: November 4, 2026

Experience Level: Mid-Senior Level (4+ years)

Remote Status: On-site

🚀 Role Summary

• Spearhead the end-to-end design of native mobile applications, encompassing both user experience (UX) and user interface (UI) design, from initial concept through to production deployment.

• Drive the creation, evolution, and maintenance of the mobile Design System's 'Mobile Kit' within Figma, ensuring alignment with React Native development constraints and close collaboration with the Lead UI and Design System teams.

• Develop and maintain a cohesive visual identity (look & feel) across all group mobile applications, ensuring brand consistency and user engagement.

• Produce comprehensive design deliverables, including user flows, wireframes, high-fidelity mockups, interactive prototypes, and detailed technical specifications for development teams.

• Foster a collaborative environment by working closely with Product Owners, Leads, Developers, and QA to ensure the technical feasibility and functional relevance of proposed design solutions.

📝 Enhancement Note: This role is specifically focused on mobile application design, emphasizing the creation and maintenance of a Design System for React Native environments. The emphasis on B2B experience and detailed Figma proficiency indicates a need for a designer capable of handling complex enterprise applications and contributing to a mature design ecosystem.

📈 Primary Responsibilities

• Design complete user journeys, functionalities, and interfaces (UX and UI) for mobile applications, from the initial needs assessment phase through to production.

• Create, evolve, and maintain the mobile Design System library on Figma (Mobile Kit, oriented towards React Native) in close collaboration with the Lead UI and the Design System team.

• Develop a harmonized visual universe (look & feel) for all mobile applications and submit it for validation to brand teams.

• Produce various design deliverables: user flows, wireframes, high-fidelity mockups, interactive prototypes, and detailed technical specifications.

• Collaborate daily with the product team (PO, Scrum Master, Lead Dev, Business) to ensure the technical feasibility and functional relevance of proposed solutions.

• Support developers during the build phase through active participation in Agile ceremonies (refinements, MR reviews, design reviews).

• Methodically document components, tokens, and screens to facilitate adoption and maintenance by product teams.

• Monitor product performance metrics (KPIs/KEIs and usage data) to continuously enrich and iterate on the user experience.

📝 Enhancement Note: The responsibilities highlight a deep involvement in the entire product lifecycle, from strategic ideation and user research to detailed UI design, system contribution, and post-launch iteration based on data. The inclusion of Agile ceremonies and developer support underscores the importance of close collaboration and a practical understanding of implementation.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong portfolio demonstrating expertise in Product Design, UX/UI, and mobile application development is paramount. A background in Design, Human-Computer Interaction, or a related field is beneficial.

Experience: Minimum of 4 years of experience as a Product Designer (UX/UI), with proven and significant experience in designing mobile applications, ideally in a B2B context.

Required Skills:

• Advanced proficiency in Figma, including its advanced features such as Variants, Variables, Tokens, Slots, and advanced Prototyping.

• Strong expertise in building and populating Design Systems and Mobile Kits.

• Excellent knowledge of mobile ergonomic patterns, conventions (iOS / Android), and digital accessibility principles.

• Demonstrated experience in working within Agile methodologies (Scrum / Kanban).

• Ability to design user flows, wireframes, high-fidelity mockups, and interactive prototypes.

• Experience in analyzing product performance metrics (KPIs/KEIs) and usage data for continuous improvement.

• Professional English fluency, both oral and written, suitable for an international context. Preferred Skills:

• Familiarity with the technical constraints of front-end mobile implementation, particularly within React Native environments.

• Experience in B2B mobile application design.

• Understanding of CX Design principles and their application in mobile ecosystems.

• Experience with design tokens and their application in maintaining design system consistency.

• Familiarity with user research methodologies and user feedback incorporation.

📝 Enhancement Note: The emphasis on advanced Figma features, Design System expertise, and React Native context points towards a need for a technically adept and system-oriented designer. The requirement for B2B experience suggests a focus on professional user interfaces and complex workflows.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 2-3 comprehensive mobile application design case studies, demonstrating end-to-end UX/UI process from problem definition to final solution.

• For each case study, clearly articulate the user needs, design challenges, your specific role and contributions, the design process undertaken (including research, ideation, wireframing, prototyping, and UI design), and the impact of your design decisions.

• Highlight your experience with Figma, specifically demonstrating proficiency in advanced features like Variants, Variables, and Tokens, and how you've leveraged these for efficiency and consistency.

• Provide concrete examples of your involvement in creating or contributing to Design Systems or Mobile Kits, illustrating how you've maintained consistency and scalability.

• Include examples of how you've incorporated user feedback, performance metrics (KPIs/KEIs), and accessibility guidelines into your design process. Process Documentation:

• Clearly document the methodologies used in your case studies, emphasizing your approach to user-centered design, iterative development, and problem-solving.

• Illustrate your understanding of Agile workflows by detailing how you collaborated with product owners, developers, and QA throughout the design and development lifecycle.

• Demonstrate your ability to create clear and detailed design specifications that facilitate smooth handoffs to development teams.

📝 Enhancement Note: A strong portfolio is critical for this role, needing to go beyond aesthetics to demonstrate a deep understanding of the design process, system thinking, and collaborative execution within an Agile framework. Emphasis on Figma capabilities and Design System contributions is key.

💵 Compensation & Benefits

Salary Range: Based on the experience level (4+ years), location (Lyon, France), and the specialized nature of mobile design and Design System expertise, a competitive salary range for a Product Designer in this market typically falls between €45,000 and €65,000 gross annually. This range can vary based on the candidate's specific skills, portfolio, and negotiation.

Benefits:

• Dynamic Communities: Access to vibrant internal communities for networking, knowledge sharing, and professional development.

• Meetups & Training: Opportunities to attend meetups and participate in training programs to enhance skills and stay updated with industry trends.

• Employee Well-being: Participation in sports and festive events to foster a positive work-life balance and team cohesion.

• Sustainable Mobility Package: A benefit to facilitate daily commuting, encouraging eco-friendly transportation options.

• Latest Generation Smartphone: Provision of a modern smartphone for professional use.

• Company Culture: Integration into a dynamic consulting and digital innovation firm with a focus on expertise and collaboration.

Working Hours: The standard working hours are typically 40 hours per week, common in France. While the role is on-site, there may be flexibility in daily start/end times, subject to team and client needs.

📝 Enhancement Note: The salary estimate is derived from industry benchmarks for experienced Product Designers in France, considering the specific technical skills (Figma, Design Systems, React Native context) and the focus on mobile applications. The benefits listed are directly from the job description, highlighting NEXTON's commitment to employee growth and 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 IT services, focusing on digital strategy, innovation, and development for large accounts and pure players in sectors like banking, telecommunications, and transportation.

Company Size: Over 450 experts, indicating a medium-to-large sized firm with a significant presence and capacity for diverse project involvement. This size allows for specialized teams and communities while maintaining a collaborative ecosystem.

Founded: Founded in 2011, NEXTON has established itself over a decade, demonstrating stability and growth in the competitive digital services market.

Team Structure:

• The Product Designer will be integrated into a CX Design pole within a large client's organization, specifically within the team dedicated to consumer experience.

• You will work synergistically with mobile product teams (Product Owners, Lead Tech, Developers, QA) and a transverse Design System team.

• The reporting structure likely involves a Lead Designer or Head of CX Design within the client organization, with a strong dotted line to the Design System team. Methodology:

• Agile Practices: Daily work will involve Agile ceremonies like refinements, MR (Merge Request) reviews, and design reviews, emphasizing iterative development and continuous feedback loops.

• Design System Centricity: A core focus on building and maintaining a robust Design System (Mobile Kit) for consistency and efficiency across mobile applications.

• Data-Driven Iteration: Continuous improvement of the user experience based on monitoring product performance metrics (KPIs/KEIs) and usage data.

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

📝 Enhancement Note: NEXTON positions itself as a hybrid firm blending consulting, creativity, and IT expertise. The role is within a client's environment, emphasizing a collaborative, Agile, and design-system-driven approach to mobile product development. The company's age suggests a mature organization with established processes.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a Mid-Senior Product Designer with a specialization in mobile applications and Design Systems. It requires approximately 4 years of dedicated experience, indicating a level where individuals are expected to lead design initiatives, contribute significantly to system design, and mentor junior designers. The role demands autonomy and the ability to defend creative choices.

Reporting Structure: The designer will report to a client-side product team lead (likely a Product Owner or Head of CX Design) and will work very closely with a Lead UI designer and the broader Design System team. This matrixed reporting highlights the collaborative nature of the role, bridging product strategy, design system governance, and development execution.

Operations Impact: The Product Designer's impact is directly tied to enhancing the consumer experience of the client's mobile applications. By ensuring robust, engaging, and harmonized interfaces, the designer contributes to key business objectives such as user adoption, retention, satisfaction, and potentially revenue generation through improved conversion rates and engagement. The focus on metrics (KPIs/KEIs) further emphasizes the measurable impact of design decisions.

Growth Opportunities:

• Design System Expertise: Deepen expertise in Design System architecture, governance, and implementation, potentially leading Design System initiatives in the future.

• Mobile UX/UI Specialization: Become a recognized expert in mobile UX/UI design best practices, accessibility, and platform conventions.

• Cross-functional Leadership: Develop strong collaboration and communication skills, leading design discussions and influencing product strategy within Agile teams.

• Community Building: Contribute to and potentially lead NEXTON's internal design communities, sharing knowledge and fostering best practices.

• Client Project Diversity: Gain exposure to various large-scale client projects within NEXTON's portfolio, broadening experience across different industries and challenges.

📝 Enhancement Note: This role offers a significant opportunity for specialization in mobile design and Design Systems within a client-facing consulting environment. Growth is geared towards deepening technical design skills, leadership in design initiatives, and contributing to the broader design community within NEXTON.

🌐 Work Environment

Office Type: The role is primarily on-site in Lyon, France, within the offices of a large client in the industrial sector. This implies working within a corporate environment that likely values structure, collaboration, and established processes.

Office Location(s): Lyon, France. This vibrant city offers a strong professional ecosystem and a good quality of life.

Workspace Context:

• Collaborative Hub: The workspace is designed for synergy, with close proximity and daily interaction expected with product teams (Product Owners, Developers, QA) and the Design System team.

• Tooling: Access to industry-standard design tools, primarily Figma, and potentially other collaboration or project management software used by the client and NEXTON.

• Agile Ceremonies: Regular participation in team meetings and ceremonies (refinements, reviews) within dedicated project spaces.

Work Schedule: The standard working hours are 40 hours per week. While on-site, there's an expectation of active participation during core business hours to facilitate real-time collaboration, especially within Agile sprints.

📝 Enhancement Note: The on-site nature of the role in a client's corporate environment emphasizes direct collaboration and integration with the client's teams. This setting is conducive to hands-on design work and immediate feedback loops.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and portfolio to assess your experience, skills, and fit with the role's requirements, particularly mobile design and Figma proficiency.

• Technical Interview (Design Challenge/Portfolio Review): This stage will likely involve a deep dive into your portfolio. Be prepared to discuss specific case studies, your design process, your contributions to Design Systems, and your expertise with Figma (Variants, Variables, Tokens). You might be asked to present a specific project or solve a design problem related to mobile apps or design systems.

• Team/Client Interview: An opportunity to meet with the client's product team (Product Owner, Lead Developer) and potentially NEXTON representatives. This will focus on your collaboration style, Agile experience, understanding of technical constraints (React Native), and cultural fit.

• Final Interview: A concluding discussion, possibly with a hiring manager or senior stakeholder, to finalize details and assess overall alignment.

Portfolio Review Tips:

• Mobile-First Focus: Ensure your portfolio prominently features your strongest mobile application design projects. Detail the UX and UI aspects, user flows, and final interfaces.

• Figma Mastery: Be ready to demonstrate your advanced Figma skills. Show examples of how you've used Variants, Variables, and Tokens effectively. If possible, include a well-documented Mobile Kit or Design System contribution.

• Process Over Polish: While polished visuals are important, clearly articulate your design process. Explain your problem-solving approach, user research, iteration cycles, and how you collaborated with stakeholders.

• Impact & Metrics: Quantify your impact where possible. Discuss how your designs addressed user needs, solved business problems, or improved key metrics (KPIs/KEIs).

• Technical Context: Be prepared to discuss your understanding of mobile development constraints, especially related to React Native, and how you've collaborated with developers.

Challenge Preparation:

• Design System Thinking: Practice articulating how you would build or maintain a mobile Design System, considering components, tokens, and scalability.

• Agile Collaboration Scenarios: Prepare to discuss how you'd handle design handoffs, participate in Agile ceremonies, and resolve design-developer conflicts.

• User-Centric Problem Solving: Think about common mobile app UX challenges and how you would approach them using user research and iterative design.

📝 Enhancement Note: The interview process will heavily scrutinize your practical design skills, especially within Figma and Design Systems, and your ability to integrate into a client's Agile product team. A well-prepared portfolio that showcases these specific strengths is crucial.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: This is the core design tool, with a strong emphasis on advanced features like Variants, Variables, Tokens, Slots, and advanced Prototyping. Proficiency here is non-negotiable.

• Design System Tools: Experience with creating, maintaining, and contributing to Design Systems and Mobile Kits within Figma. This includes understanding design tokens and their implementation.

Analytics & Reporting:

• Familiarity with product performance metrics (KPIs/KEIs) and usage data analysis to inform design iterations. Specific tools are not mentioned, but the ability to interpret data is key. CRM & Automation:

• Not directly specified for the designer role, but an understanding of how design impacts user journeys within broader customer platforms might be relevant. Development Context:

• Awareness of React Native development constraints and best practices is essential for effective collaboration with front-end mobile developers.

📝 Enhancement Note: The technology stack is heavily centered around Figma and the principles of Design Systems for mobile development, with a specific nod towards React Native. The candidate is expected to be an expert in these areas.

👥 Team Culture & Values

Operations Values:

• Innovation & Digital Strategy: A core value of NEXTON, encouraging creative solutions and strategic thinking in digital transformation projects.

• Expertise & Collaboration: Fostering an environment where deep expertise is valued and shared, with strong emphasis on teamwork and cross-functional collaboration.

• Agility & Adaptability: Embracing Agile methodologies to respond effectively to changing project needs and market dynamics.

• User-Centricity: A commitment to understanding and prioritizing user needs in all design and development efforts.

Collaboration Style:

• Synergistic Integration: Working closely within client teams, particularly with Product Owners, Developers, and QA, in a highly collaborative and integrated manner.

• Design System Governance: A structured approach to Design System maintenance and evolution, requiring clear communication and consensus-building among design and development stakeholders.

• Agile Participation: Active involvement in Agile ceremonies, promoting open communication, constructive feedback, and shared ownership of project outcomes.

📝 Enhancement Note: The culture emphasizes a blend of cutting-edge digital practices, deep technical and design expertise, and a highly collaborative, Agile working style, particularly within client environments.

⚡ Challenges & Growth Opportunities

Challenges:

• Harmonizing Diverse Applications: Ensuring a consistent and cohesive user experience across multiple mobile applications within a large group, while respecting brand guidelines and specific functional needs.

• Design System Adoption & Evolution: Driving the adoption and continuous evolution of the Mobile Kit, balancing standardization with the need for new features and platform updates.

• Technical Constraints Integration: Effectively translating design vision into feasible solutions within the technical constraints of React Native development and collaborating closely with developers to overcome implementation hurdles.

• Data-Driven Iteration: Translating raw usage data and KPIs into actionable design improvements and effectively communicating these insights to stakeholders.

Learning & Development Opportunities:

• Advanced Design System Mastery: Opportunities to become a subject matter expert in Design Systems, potentially leading their strategy and implementation.

• React Native Design Integration: Deepen understanding of how design integrates with React Native development, improving collaboration and efficiency.

• Cross-functional Influence: Develop skills in influencing product strategy and technical decisions through compelling design advocacy and data-backed recommendations.

• Community Leadership: Contribute to and potentially lead knowledge-sharing initiatives within NEXTON's design communities.

📝 Enhancement Note: The role presents opportunities to tackle complex design system challenges and refine mobile design expertise within a large corporate setting, with clear pathways for specialization and leadership in design system strategy.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you designed a complex feature for a mobile app. What was the problem, your approach, and the outcome?" (Focus on user flows, problem-solving, and impact).

• "How do you approach building or maintaining a Design System for mobile applications, especially in a React Native context?" (Highlight your process, use of Figma features, and collaboration with developers).

• "Walk us through a mobile UX/UI case study from your portfolio, explaining your role, key decisions, and how you incorporated user feedback or data." (Be ready to present 1-2 strong case studies). Company & Culture Questions:

• "What interests you about NEXTON and this specific role within a client's organization?" (Show research into NEXTON's model and the client's industry).

• "How do you typically collaborate with Product Owners and Developers in an Agile environment?" (Emphasize your communication, feedback integration, and Agile ceremony participation).

• "How do you ensure accessibility standards are met in your mobile designs?" (Demonstrate your knowledge of accessibility principles and practices). Portfolio Presentation Strategy:

• Structure Your Case Studies: For each case study, clearly define the problem, your role, the process (research, ideation, wireframing, UI, testing), the solution, and the impact/results.

• Showcase Figma Proficiency: Be prepared to demonstrate or discuss specific Figma techniques you used (Variants, Variables, Tokens) and how they enhanced your workflow or the Design System.

• Quantify Impact: Where possible, use metrics (KPIs/KEIs) to show the success of your designs. If direct metrics aren't available, discuss qualitative feedback or anticipated business benefits.

• Technical Acumen: Be ready to discuss how your designs translate to development, particularly with React Native, and how you ensure smooth handoffs.

📝 Enhancement Note: Prepare to be grilled on your practical Figma skills, your ability to manage and contribute to Design Systems, and your experience in mobile app design within an Agile framework. Your portfolio is your primary tool for demonstrating these capabilities.

📌 Application Steps

To apply for this Product Designer position:

• Submit your application through the SmartRecruiters portal, ensuring your CV and portfolio are up-to-date and clearly highlight your mobile design and Figma expertise.

• Portfolio Customization: Tailor your portfolio to emphasize mobile app design case studies and any experience with Design Systems or React Native. Clearly articulate your role and the impact of your work, showcasing advanced Figma features.

• Resume Optimization: Ensure your resume uses keywords from the job description, such as "Product Designer," "UX/UI," "Figma," "Design System," "Mobile App," "React Native," and "Agile." Quantify your achievements where possible.

• Interview Preparation: Practice presenting your portfolio, focusing on clear explanations of your design process, problem-solving skills, and technical proficiency. Prepare to discuss your experience with Agile methodologies and collaboration.

• Company Research: Familiarize yourself with NEXTON's business model (consulting, factory, ESN) and their focus on digital innovation. Understand the client's industry (industrial sector) to better contextualize your design approach.

⚠️ 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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