Product Designer App H/F

📍 Job Overview

Job Title: Senior Product Designer – App Mobile H/F

Company: NEXTON

Location: Paris, Île-de-France, France

Job Type: Temps complet (Full-time)

Category: Product Design / UX/UI Design

Date Posted: May 27, 2026

Experience Level: 5-10 Years

Remote Status: On-site

🚀 Role Summary

• Drive the design of intuitive, elegant, and high-performance mobile applications, placing users at the forefront of all decisions.

• Lead product thinking from discovery through delivery, fostering close collaboration with Product and Tech teams.

• Translate user needs and business objectives into seamless user journeys, relevant features, and engaging interfaces.

• Leverage user feedback and analytical data to continuously enhance the user experience and maximize product impact.

• Facilitate co-design workshops and align diverse stakeholders to ensure cohesive product development.

📝 Enhancement Note: This role is positioned as a Senior Product Designer, implying a need for significant autonomy, strategic input, and the ability to mentor or guide junior designers or teams. The focus on "App Mobile H/F" specifically targets expertise in mobile application design across both iOS and Android platforms. The description highlights a strong emphasis on product thinking and data-driven iteration, indicating a role deeply integrated with business objectives and performance metrics, typical of a GTM or product-focused operations alignment.

📈 Primary Responsibilities

• Conceptualize and design user-centric mobile experiences for high-stakes business applications, ensuring intuitive navigation and elegant aesthetics.

• Drive the entire product design lifecycle, from initial user research and ideation through to final delivery and post-launch analysis.

• Translate complex user requirements and business goals into clear, actionable design specifications, including wireframes, mockups, and interactive prototypes.

• Ensure design consistency and a unified user experience across all mobile platforms (iOS and Android).

• Utilize qualitative user feedback, quantitative analytics, and A/B testing results to inform design iterations and optimize user engagement.

• Lead and facilitate cross-functional workshops, including co-design sessions, to foster collaboration and achieve consensus among product, engineering, and business stakeholders.

• Champion the design vision and advocate for user needs throughout the development process, working closely with engineering teams to ensure accurate implementation and high-quality design delivery.

• Proactively identify opportunities for product improvement and innovation based on market trends, user behavior, and business performance data.

📝 Enhancement Note: The responsibilities strongly suggest a role that bridges product strategy and execution. The emphasis on "piloting product thinking," "translating business objectives," and "maximizing product impact" indicates significant involvement in Go-To-Market (GTM) strategy alignment from a user experience perspective. The requirement to "accompany developers" and ensure "quality of design deliverables" highlights the operational aspect of design implementation.

🎓 Skills & Qualifications

Education: Bachelor's degree in Design, Human-Computer Interaction, Computer Science, or a related field, or equivalent practical experience.

Experience: 5-10 years of progressive experience in Product Design, with a significant focus on mobile application design (iOS and Android). Proven track record of successfully launching and iterating on mobile products.

Required Skills:

• Product Thinking: Deep understanding of business objectives and the ability to translate them into user-centric, desirable, usable, and useful digital experiences.

• Mobile-First Design: Mastery of the constraints and specificities of iOS and Android design principles and patterns.

• Prototyping & Testing: Proficiency in rapid iteration and validation of design hypotheses through interactive prototypes and user testing methodologies.

• Data-Driven Design: Ability to leverage qualitative and quantitative data (analytics, user feedback) to inform and justify design decisions.

• Communication & Collaboration: Excellent verbal and written communication skills, with the ability to present, articulate, and co-construct solutions with product and technical teams.

• Agility: Natural ability to thrive in an agile, multidisciplinary environment, adapting to evolving priorities and project needs.

• User Research: Experience conducting user interviews, surveys, and usability studies to gather insights and validate design concepts.

• Wireframing & Mockups: Proficiency in creating detailed wireframes, high-fidelity mockups, and user flow diagrams.

Preferred Skills:

• Experience with design systems and their implementation.

• Familiarity with front-end development principles to facilitate design-dev collaboration.

• Experience in a consulting or agency environment, working with diverse clients and projects.

• Knowledge of accessibility standards and best practices.

• Experience mentoring junior designers.

📝 Enhancement Note: The "5-10 years" experience level for a "Senior Product Designer" aligns with industry standards, suggesting an expectation of leadership in design strategy and execution. The explicit mention of "Product Thinking," "Mobile First," "Prototyping & Tests," "Analysis & Data," and "Communication & Collaboration" are critical keywords for operations roles focused on user adoption and product-market fit.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A curated selection of 3-5 impactful mobile app design projects showcasing end-to-end design process from discovery to launch.

• Detailed case studies that clearly articulate the problem, your role, the design process, key decisions, and measurable outcomes.

• Demonstrations of user research methodologies employed and how insights influenced design solutions.

• Examples of wireframes, interactive prototypes, and final UI designs for both iOS and Android platforms.

Process Documentation:

• Clear articulation of your design process, emphasizing user-centricity, agile collaboration, and data-informed decision-making.

• Documentation of how you translated business objectives and user needs into functional and engaging mobile experiences.

• Examples of how you facilitated co-design workshops and managed stakeholder alignment.

• Showcase of how you ensured design quality and consistency throughout development.

📝 Enhancement Note: For a Senior Product Designer role, a robust portfolio is non-negotiable. The emphasis should be on demonstrating not just aesthetic skill but also strategic thinking, problem-solving capabilities, and a clear understanding of how design impacts business metrics and user adoption. This aligns with operations' focus on measurable results and process efficiency.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for a Senior Product Designer with 5-10 years of experience in Paris, France, the estimated salary range is €55,000 - €75,000 per year. This estimate considers the cost of living in Paris, the seniority of the role, and the demand for specialized mobile design skills.

Benefits:

• Professional Development Communities: Access to internal communities for knowledge sharing and skill enhancement.

• Skill Development Meetups: Regular meetups focused on advancing technical and design skills.

• Training Programs: Opportunities for continuous learning and professional growth through structured training.

• Sports and Festive Events: Company-sponsored events promoting well-being and team bonding.

• Sustainable Mobility Allowance: A budget to support eco-friendly commuting options.

• Latest Generation Phone: Provision of a modern mobile phone for professional use.

Working Hours: Standard full-time working hours are approximately 40 hours per week, with potential for flexibility often found in agile environments and consulting firms.

📝 Enhancement Note: The salary estimate is based on aggregated data from reputable French job boards and salary survey sites for similar roles in Paris. The benefits are drawn directly from the provided job description, highlighting NEXTON's commitment to employee development and well-being.

🎯 Team & Company Context

🏢 Company Culture

Industry: Digital Transformation Consulting / IT Services (ESN) / Design Agency. NEXTON operates at the intersection of consulting, creative agency, and IT services, enabling them to offer comprehensive digital solutions to large enterprises and digital-native companies.

Company Size: Over 450 experts. This size indicates a dynamic, growing organization with a substantial talent pool, offering diverse specialization areas and opportunities for networking and collaboration across various domains.

Founded: 2011. Founded in 2011, NEXTON has established a solid track record and significant experience in the digital innovation space, building strong relationships with major clients.

Team Structure:

• Product & Design Expertise: The role places the Senior Product Designer within a client's product team, likely a dedicated product unit or department focused on mobile applications.

• Agile & Cross-functional: The designer will work in an agile environment, collaborating closely with Product Managers, Developers (iOS/Android), QA testers, and potentially other designers or UX researchers.

• Consulting Framework: As a consultant from NEXTON, the designer will also be part of the broader NEXTON community, benefiting from internal support, knowledge sharing, and professional development initiatives.

Methodology:

• User-Centered Design: A core methodology, emphasizing the user's needs, behaviors, and pain points throughout the design process.

• Agile Development: Projects are managed using agile frameworks (e.g., Scrum, Kanban) to ensure flexibility, rapid iteration, and continuous delivery.

• Data-Informed Decision Making: Reliance on analytics and user feedback to guide design choices and measure impact.

• Co-creation & Collaboration: Active engagement of stakeholders in the design process through workshops and iterative feedback loops.

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

📝 Enhancement Note: The company description positions NEXTON as a versatile player in the digital transformation landscape. The "450+ experts" suggests a mid-to-large sized firm offering a robust internal network and diverse project opportunities, while the founding year indicates stability and experience. The role's placement within a client's team is typical for consulting engagements.

📈 Career & Growth Analysis

Operations Career Level: This "Senior Product Designer – App Mobile H/F" role represents a mid-to-senior level position within the design and product development field. It requires not only strong individual design contributions but also the ability to influence product strategy, guide design decisions, and collaborate effectively within a cross-functional team. The emphasis on "product thinking" and "leading product reflection" suggests a trajectory towards product leadership or senior design roles.

Reporting Structure: The designer will likely report to a Product Lead, Head of Product, or Design Manager within the client organization, while maintaining a connection to their NEXTON community for career development and peer support.

Operations Impact: The role's impact is directly tied to the success of the mobile applications. By creating intuitive, engaging, and high-performance user experiences, the Senior Product Designer influences user acquisition, retention, engagement, and ultimately, the business objectives of the client. This involves aligning design efforts with GTM strategies and ensuring the product effectively meets market demands.

Growth Opportunities:

• Specialization: Deepen expertise in mobile design, UX research, or interaction design for complex applications.

• Leadership: Progress to Lead Product Designer, Design Manager, or Product Manager roles, overseeing larger design initiatives or product portfolios.

• Cross-functional Mastery: Develop a stronger understanding of business strategy, technical constraints, and market dynamics, enabling broader product influence.

• Consulting Acumen: Enhance client management and strategic advisory skills if transitioning within NEXTON's consulting framework.

• Continuous Learning: Benefit from NEXTON's communities, meetups, and training programs to stay abreast of emerging design trends, tools, and methodologies.

📝 Enhancement Note: The career path for a Senior Product Designer in this context can lead to specialized design leadership, broader product management responsibilities, or senior consulting roles. The "operations impact" is framed in terms of user adoption and business metrics, aligning with GTM objectives.

🌐 Work Environment

Office Type: The role is based on-site within one of NEXTON's clients in Paris. This implies working within a corporate environment that is likely dynamic, team-oriented, and focused on product development.

Office Location(s): Paris, France. Specific office details would be provided by the client, but Paris offers a vibrant ecosystem for tech and design professionals.

Workspace Context:

• Collaborative Atmosphere: Expect a highly collaborative workspace, involving daily interaction with product managers, developers, and other team members in an agile setting.

• Tools & Technology: Access to industry-standard design and prototyping tools (Figma is explicitly mentioned), along with collaboration platforms and potentially client-specific internal systems.

• Team Interaction: Frequent team meetings, stand-ups, design reviews, and co-creation sessions are integral to the work process.

Work Schedule: A standard full-time schedule of approximately 40 hours per week. While on-site, there may be scope for some flexibility depending on the client's internal policies and the agile team's rhythm, particularly concerning start/end times.

📝 Enhancement Note: The on-site requirement in Paris suggests a traditional office setting within a client's premises, emphasizing in-person collaboration and integration into the client's operational team.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and portfolio by the NEXTON recruitment team or client hiring manager to assess qualifications and experience.

• Portfolio Presentation & Discussion: An in-depth session where you present your selected case studies, discussing your design process, decision-making, and impact. This is crucial for evaluating your "Product Thinking" and "User-Centricity."

• Technical/Skills Assessment: Potentially a design challenge or a discussion focused on specific mobile design principles, UX/UI best practices, and your proficiency with tools like Figma.

• Cultural Fit & Collaboration: An interview to assess your ability to work within an agile team, collaborate with diverse stakeholders, and align with the client's and NEXTON's values.

• Final Interview: May involve senior leadership or key stakeholders to finalize the decision.

Portfolio Review Tips:

• Focus on Impact: For each case study, clearly articulate the business problem, the user need, your role, the design solution, and the measurable results (e.g., increased conversion, improved engagement, reduced task completion time).

• Show Your Process: Detail your approach, including user research, ideation, wireframing, prototyping, testing, and iteration. Explain why you made specific design choices.

• Highlight Mobile Expertise: Showcase specific examples demonstrating your understanding of iOS and Android design patterns, platform conventions, and mobile-specific UX challenges.

• Demonstrate Collaboration: If possible, include examples of how you worked with developers, product managers, or other stakeholders, and how you handled feedback.

• Tool Proficiency: Explicitly mention and show examples of your work using Figma and other relevant design and prototyping tools.

Challenge Preparation:

• Understand the Context: If given a design challenge, thoroughly understand the brief, target audience, and business goals.

• Think Aloud: Be prepared to articulate your thought process, assumptions, and design rationale as you work through the challenge.

• Prioritize & Justify: Demonstrate your ability to prioritize features and make justified design decisions under time constraints.

• Consider Edge Cases: Think about potential issues, accessibility, and scalability as part of your solution.

📝 Enhancement Note: The interview process heavily emphasizes portfolio review and practical application of design skills, reflecting the hands-on nature of the role and the need to validate "Product Thinking" and "Data-Driven Design" capabilities.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Explicitly mentioned as a required tool for design and prototyping. Proficiency is essential for creating wireframes, mockups, interactive prototypes, and potentially contributing to design systems.

• Prototyping Tools: Beyond Figma, familiarity with other prototyping tools (e.g., InVision, Adobe XD) may be beneficial for varied project needs.

• Wireframing Tools: Tools like Balsamiq, Sketch, or Axure may be used depending on the project phase and team preference, though Figma often covers this.

Analytics & Reporting:

• Mobile Analytics Platforms: Experience with tools like Google Analytics for Mobile Apps, Firebase Analytics, Mixpanel, or Amplitude to track user behavior, engagement, and conversion rates.

• Data Visualization Tools: Familiarity with tools that help interpret and present data insights, potentially including Tableau, Power BI, or in-app dashboarding tools.

CRM & Automation:

• While not direct design tools, an understanding of how design impacts CRM performance (e.g., lead generation forms, user onboarding) and marketing automation workflows can be advantageous. Experience with CRM systems like Salesforce or HubSpot may provide context.

• Design-Dev Workflow Tools: Familiarity with tools that facilitate handoff between design and development, such as Zeplin, Avocode, or Figma's developer handoff features.

📝 Enhancement Note: The explicit mention of Figma is a key indicator of the required technical proficiency. The inclusion of analytics and data visualization tools highlights the "Analysis & Data" requirement and the expectation that design decisions will be data-informed, a critical aspect of GTM operations.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A fundamental value, ensuring that user needs and experiences are paramount in all design decisions and product development efforts.

• Excellence & Performance: A drive to create high-quality, elegant, and performant mobile applications that meet and exceed business objectives.

• Collaboration & Co-creation: A belief in the power of teamwork and shared contribution, fostering an environment where ideas are openly exchanged and co-built.

• Data-Driven Innovation: A commitment to using data and user insights to inform strategy, validate hypotheses, and continuously improve products.

• Agility & Adaptability: Embracing flexible methodologies to respond effectively to changing requirements and market dynamics.

Collaboration Style:

• Cross-functional Integration: The designer will be deeply embedded within multidisciplinary teams, working closely with Product, Tech, and potentially Marketing or Business stakeholders.

• Open Feedback Culture: An environment that encourages constructive feedback and open dialogue to refine designs and improve processes.

• Knowledge Sharing: A proactive approach to sharing learnings, best practices, and insights within the team and the broader NEXTON community.

📝 Enhancement Note: The values emphasize a blend of user advocacy, performance orientation, collaborative spirit, and data-informed decision-making, which are hallmarks of successful GTM and product operations environments.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs with Business Goals: Navigating the inherent tension between creating ideal user experiences and meeting stringent business targets, often requiring strong negotiation and strategic design skills.

• Platform Specificity: Ensuring a cohesive yet platform-appropriate experience across iOS and Android, each with its own design language and user expectations.

• Rapid Iteration in Agile Environments: Adapting to fast-paced development cycles and effectively integrating feedback and data into continuous design improvements without compromising quality.

• Stakeholder Management: Aligning diverse stakeholder expectations and priorities, requiring strong communication, empathy, and persuasive design advocacy.

Learning & Development Opportunities:

• Mobile Design Specialization: Deepen expertise in advanced mobile UX patterns, performance optimization for mobile, and platform-specific best practices.

• Product Strategy Acumen: Gain a more profound understanding of product roadmapping, market analysis, and business strategy through close collaboration with product teams.

• Leadership Skills: Develop mentoring capabilities, project leadership, and potentially team management skills through senior-level responsibilities.

• Industry Trends: Stay current with emerging technologies, design tools, and user behavior shifts impacting the mobile landscape through NEXTON's network and training.

📝 Enhancement Note: The challenges highlight common complexities in product design roles, particularly in fast-paced, client-facing environments. The growth opportunities are geared towards advancing both technical design expertise and strategic product influence.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to balance conflicting user needs and business requirements. How did you approach it, and what was the outcome?" (Assesses Product Thinking, User-Centricity, and Problem-Solving)

• "Walk us through a complex mobile app design project from your portfolio. What was the core problem, your design process, key decisions, and the measurable impact?" (Assesses Portfolio Presentation, Process Documentation, and Operations Impact)

Company & Culture Questions:

• "Based on your understanding of NEXTON and our clients, how would you contribute to a culture of innovation and user-centricity within a product team?" (Assesses Cultural Fit, Operations Values, and Collaboration Style)

• "How do you approach collaboration with developers and product managers? Describe a situation where you faced technical constraints and how you adapted your design." (Assesses Collaboration Style and Agility)

Portfolio Presentation Strategy:

• Structure for Impact: Begin with a high-level overview of the project and its business/user goals, then dive into your specific role and process. Conclude with quantifiable results and key learnings.

• Visual Storytelling: Use clean, well-annotated visuals (wireframes, mockups, prototypes) to guide the narrative. Explain the why behind each design choice.

• Focus on Iteration: Showcase how you incorporated feedback and data to refine the design, highlighting your adaptability and problem-solving skills.

• Quantify Success: Whenever possible, present metrics that demonstrate the positive impact of your design on user behavior or business outcomes.

• Be Prepared for Deep Dives: Anticipate questions about specific design decisions, user research findings, or technical feasibility.

📝 Enhancement Note: These questions are designed to probe the candidate's strategic thinking, practical application of design principles, collaborative abilities, and understanding of how design contributes to business success, all critical for operations-aligned roles.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit your application through the provided link on jobs.smartrecruiters.com.

• Curate Your Portfolio: Select 3-5 of your strongest mobile app design projects that best showcase your end-to-end process, user-centric approach, and measurable impact. Ensure your case studies clearly articulate the problem, your role, solutions, and outcomes.

• Optimize Your Resume: Tailor your resume to highlight your experience in mobile-first design, product thinking, Figma proficiency, agile environments, and user research. Quantify achievements where possible.

• Prepare Your Presentation: Practice walking through your portfolio case studies, focusing on clear communication, strategic rationale, and demonstrating your ability to drive product impact. Be ready to discuss your design process in detail.

• Research NEXTON & Client Context: Familiarize yourself with NEXTON's company culture, values, and their approach to client engagements. Understand the general landscape of the client's industry and potential user challenges in Paris.

⚠️ 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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