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: 2026-02-17

Experience Level: 5-10 years

Remote Status: On-site

🚀 Role Summary

• This role is a Senior Product Designer position focused on mobile applications, requiring a blend of strategic product thinking and hands-on design execution.

• The position emphasizes a user-centered approach to create intuitive, elegant, and high-performing mobile experiences within an agile, performance-oriented environment.

• Responsibilities include driving the product lifecycle from discovery to delivery, collaborating closely with Product and Tech teams, and leveraging data to continuously improve user experience.

• The ideal candidate will possess strong product thinking capabilities, mastery of mobile design principles (iOS and Android), and proficiency in design tools like Figma, with a focus on translating user needs and business objectives into actionable design solutions.

📝 Enhancement Note: The role is explicitly for a "Senior Product Designer – App Mobile H/F" and is a full-time, permanent (CDI) position based in Paris, France. The description indicates a client-facing role within NEXTON's consulting framework, working on high-impact mobile applications for major clients.

📈 Primary Responsibilities

• Design intuitive, elegant, and high-performing mobile experiences, prioritizing user needs and business objectives.

• Lead product ideation and design strategy from the discovery phase through to delivery, ensuring alignment with Product and Tech teams.

• Translate user needs and business goals into fluid user journeys, relevant features, and engaging interfaces for mobile applications.

• Create wireframes, mockups, and interactive prototypes to test, iterate, and validate design concepts and user flows.

• Ensure design consistency and coherence across all mobile platforms (iOS and Android).

• Utilize user feedback, qualitative data, and quantitative analytics to continuously enhance user experience and maximize product impact.

• Facilitate co-creation workshops and drive alignment among various stakeholders involved in the product development process.

• Support developers during implementation to ensure the quality and fidelity of design deliverables.

📝 Enhancement Note: The responsibilities highlight a senior-level contribution, involving leadership in product reflection, direct collaboration with product and tech, and a data-driven approach to design optimization. The emphasis on "Mobile first" and ensuring "coherence across all mobile platforms" is critical.

🎓 Skills & Qualifications

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

Experience: 5-10 years of professional experience in Product Design, with a significant focus on designing and delivering mobile applications (iOS and Android). Experience within consulting or agency environments, working with large clients, is highly advantageous.

Required Skills:

• Product Thinking: Deep understanding of business stakes and the ability to design useful, usable, and desirable experiences.

• Mobile First Design: Mastery of iOS and Android platform constraints and specificities.

• Prototyping & Testing: Proficiency in rapid iteration and validation of design hypotheses through experimentation.

• Data-Driven Design: Ability to leverage qualitative and quantitative data to inform design decisions.

• Communication & Collaboration: Strong skills in presenting, arguing, and co-creating with product and technical teams.

• Autonomy & Impact: Ability to take initiative and actively contribute to product decisions.

• Agile Methodologies: Natural comfort working within agile and multidisciplinary environments.

• Design Tools: Proficiency in key design and prototyping tools, specifically Figma.

• Workflow Management: Familiarity with design-to-development workflows.

Preferred Skills:

• Experience in conducting user research and usability testing.

• Knowledge of design systems and their implementation.

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

• Experience in facilitating design sprints and workshops.

• Understanding of mobile app analytics platforms and their integration into the design process.

📝 Enhancement Note: The qualifications emphasize a blend of strategic thinking ("Product thinking," "Business Goals") and practical execution ("Mobile First," "Prototyping & Tests," "Figma"). The "5-10 years" experience level suggests a need for demonstrated leadership and end-to-end product design ownership.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A comprehensive portfolio showcasing end-to-end product design projects, with a strong emphasis on mobile applications (iOS and Android).

• Case studies demonstrating the problem-solving process, user research, ideation, wireframing, prototyping, user testing, and final UI design.

• Projects should highlight a clear understanding of business objectives and user needs, with measurable outcomes where possible.

• Examples of collaboration with product managers and developers, illustrating effective teamwork and integration.

Process Documentation:

• Case studies should clearly articulate the design process followed for each project, from discovery and definition to delivery and iteration.

• Explain how user feedback and data analytics were incorporated to inform design decisions and drive improvements.

• Detail the methodology used for user research, wireframing, prototyping, and usability testing.

• Showcase an understanding of agile development workflows and how design integrates into sprint cycles.

📝 Enhancement Note: A strong portfolio is paramount for this role. The emphasis is on demonstrating a structured design process, user-centricity, and the ability to deliver impactful mobile experiences, supported by data and collaboration.

💵 Compensation & Benefits

Salary Range: For a Senior Product Designer with 5-10 years of experience in Paris, France, the estimated annual salary range is typically between €60,000 and €85,000 gross. This range can vary based on the specific client, the complexity of the projects, and the candidate's precise experience and negotiation skills.

Benefits:

• Dynamic communities for professional networking and support.

• Regular Meet-Ups for skill development and knowledge sharing.

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

• Participation in sports and festive events for work-life balance and team building.

• Sustainable mobility package to support eco-friendly commuting.

• A latest-generation phone provided for professional use.

Working Hours: The standard working hours are approximately 40 hours per week, typical for full-time employment in France. Flexibility may be offered depending on client project needs and team agreements, aligned with agile methodologies.

📝 Enhancement Note: Salary estimation is based on standard market rates for senior UX/UI design roles in Paris, France, considering the specified experience level. The benefits listed are directly from the provided text, tailored to operations professionals by highlighting opportunities for skill development and work-life balance.

🎯 Team & Company Context

🏢 Company Culture

Industry: NEXTON operates within the Digital Transformation, Consulting, and IT Services (ESN) sectors, serving major clients across various industries including finance, telecommunications, and transportation. This means the operations context is one of project-based work, client engagement, and a focus on delivering innovative digital solutions.

Company Size: Over 450 experts. This size suggests a well-established organization with diverse capabilities, offering a structured environment for career growth while maintaining a sense of community and specialized expertise.

Founded: 2011. Founded in 2011, NEXTON has over a decade of experience, indicating a stable and mature company with a proven track record in digital innovation and consulting.

Team Structure:

• The role involves joining a product team within one of NEXTON's clients, operating in an agile and performance-oriented context.

• This implies a cross-functional team structure comprising Product Managers, Developers, QA Testers, and the Senior Product Designer.

Methodology:

• NEXTON emphasizes digital strategy, design, agility, product development, and expertise in IT services.

• The role operates within an agile framework, focusing on iterative development, continuous improvement, and close collaboration between design, product, and technology.

• Data analysis and user feedback are central to improving product performance and user experience.

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

📝 Enhancement Note: The company culture is described as a blend of consulting, creative agency, and IT services (ESN), fostering a rich ecosystem of knowledge and diverse skills. This context implies a high-impact, client-focused environment where innovation and expertise are highly valued.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior position, indicating a level of autonomy, influence, and responsibility beyond junior or mid-level roles. It requires end-to-end ownership of design projects, mentoring capabilities, and strategic input into product direction.

Reporting Structure: The Senior Product Designer will be embedded within a client's product team, likely reporting to a Product Manager or a Design Lead within that client organization. They will also be part of the broader NEXTON community, benefiting from internal mentorship and professional development opportunities.

Operations Impact: The role has a direct impact on the success of mobile applications by shaping user experience, driving user adoption, and contributing to business objectives. By optimizing user journeys and interface design, the role influences conversion rates, user satisfaction, and overall product performance.

Growth Opportunities:

• Specialization: Deepen expertise in mobile UX/UI design, potentially specializing in specific platforms (iOS/Android) or design methodologies.

• Leadership: Progress into a Lead Product Designer role, managing design projects, mentoring junior designers, and influencing design strategy at a higher level.

• Client Engagement: Develop skills in managing client relationships and understanding diverse business needs across different industries.

• Cross-functional Expertise: Enhance collaboration skills with product management, engineering, and data analytics teams.

• Community Contribution: Participate in NEXTON's internal communities, sharing knowledge and contributing to best practices in design.

📝 Enhancement Note: The "Senior" title and the nature of consulting work imply significant opportunities for rapid learning, exposure to diverse projects, and accelerated career progression through skill development and client impact.

🌐 Work Environment

Office Type: The role is described as "On-site," implying a traditional office environment within the client's premises in Paris. This setting is conducive to close collaboration with the product and tech teams.

Office Location(s): Paris, France. Specific client office locations in Paris will vary.

Workspace Context:

• The workspace will be within a client's agile product development team, fostering a collaborative and dynamic environment.

• Access to standard office amenities, as well as the necessary design tools and technology (Figma, etc.) will be provided.

• Opportunities for frequent interaction with product managers, developers, and other stakeholders to ensure seamless design integration and continuous feedback loops.

Work Schedule: The work schedule is typically 40 hours per week, aligned with standard French employment practices. The agile nature of the work may introduce some flexibility, but the on-site requirement means being present at the client's office during core business hours.

📝 Enhancement Note: The on-site requirement in Paris is a key factor, suggesting a need for candidates comfortable with in-office collaboration and the specific work culture of the client organization.

📄 Application & Portfolio Review Process

Interview Process:

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

• Portfolio Presentation: A session where you will present selected case studies from your portfolio, explaining your design process, problem-solving approach, and impact. This is crucial for demonstrating your "Product Thinking" and "User-Centered" skills.

• Technical/Skills Assessment: This may involve a design challenge or a discussion about your proficiency with tools like Figma, understanding of mobile design patterns (iOS/Android), and your approach to data-driven design and agile workflows.

• Cultural Fit & Team Interview: Discussions to assess your collaboration style, communication skills, and how you would integrate into the client's agile team and NEXTON's culture.

• Final Interview: A concluding interview, potentially with senior stakeholders, to discuss your career aspirations and overall fit.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 of your strongest mobile design projects that best showcase your end-to-end process, problem-solving skills, and impact.

• Tell a Story: For each case study, clearly articulate the problem, your role, the process you followed, the challenges you faced, your design decisions, and the outcomes (quantifiable if possible).

• Highlight Mobile Expertise: Emphasize your understanding of iOS and Android specificities, mobile-first principles, and how you ensured cross-platform consistency.

• Demonstrate Tool Proficiency: Be ready to discuss your specific use of Figma, including any advanced techniques, component libraries, or prototyping features you employed.

• Focus on Impact: Quantify your achievements where possible (e.g., improvements in conversion rates, user satisfaction scores, task completion times).

Challenge Preparation:

• Be prepared for a potential design challenge that might involve a specific mobile app feature or a user flow problem.

• Practice thinking aloud, articulating your process, and justifying your design decisions under time constraints.

• Research common design patterns and best practices for both iOS and Android.

• Consider how you would integrate user feedback and data analysis into your solution.

📝 Enhancement Note: The interview process heavily leans on portfolio demonstration and practical application of design skills. Candidates should prepare to articulate their process and impact clearly, with a strong focus on mobile UX/UI and Figma proficiency.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: This is explicitly mentioned as a required tool. Proficiency in creating wireframes, high-fidelity mockups, interactive prototypes, and managing design systems within Figma is essential.

• Prototyping Tools: Beyond Figma's native capabilities, familiarity with other prototyping tools for advanced interactions or user testing might be beneficial.

• Design & Collaboration Tools: Tools for managing design assets, version control, and facilitating handoff to developers (e.g., Zeplin, InVision, Abstract) are often part of the stack.

Analytics & Reporting:

• Mobile Analytics Platforms: Familiarity with tools like Google Analytics for Mobile Apps, Firebase Analytics, Amplitude, or Mixpanel to understand user behavior, track key metrics, and inform design iterations.

• User Feedback Tools: Experience with platforms for collecting and analyzing user feedback (e.g., surveys, in-app feedback forms, user testing platforms).

CRM & Automation:

• While not directly a design tool, understanding how design impacts conversion funnels and user journeys within CRM or marketing automation contexts can be advantageous.

📝 Enhancement Note: Figma is the cornerstone of the design stack mentioned. A strong understanding of how design tools integrate with analytics and user feedback mechanisms is crucial for the "data-driven" aspect of the role.

👥 Team Culture & Values

Operations Values:

• User-Centricity: Placing users at the heart of all design decisions, ensuring experiences are intuitive, useful, and desirable.

• Product Thinking: Understanding and contributing to the business objectives and overall product strategy, not just focusing on aesthetics.

• Collaboration: Working closely and effectively with product managers, developers, and other stakeholders to achieve common goals.

• Data-Driven Approach: Utilizing user feedback and analytics to inform design choices and measure impact.

• Agility & Adaptability: Thriving in a fast-paced, iterative environment, embracing change and continuous improvement.

• Excellence & Detail: Striving for high-quality, elegant, and performant design solutions with meticulous attention to detail.

Collaboration Style:

• The role requires a highly collaborative style, working within cross-functional, agile teams.

• This involves active participation in co-creation workshops, design reviews, and facilitating communication between design, product, and tech.

• Openness to feedback, constructive criticism, and a proactive approach to problem-solving are key.

📝 Enhancement Note: The values emphasize a blend of creative problem-solving, strategic business alignment, and strong interpersonal skills essential for a consulting environment and agile teams.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs with Business Goals: Navigating the complexities of meeting diverse user expectations while aligning with aggressive business objectives and technical constraints.

• Cross-Platform Consistency: Maintaining a cohesive and branded user experience across both iOS and Android platforms, each with its own design guidelines and user conventions.

• Data Interpretation: Effectively translating raw user data and analytics into actionable design insights and improvements.

• Stakeholder Management: Effectively communicating design rationale, managing feedback, and gaining buy-in from various stakeholders with potentially differing priorities.

• Agile Pace: Adapting quickly to changing requirements and iterating rapidly in a fast-paced agile development cycle.

Learning & Development Opportunities:

• Advanced Mobile Design: Deepen expertise in native iOS and Android design patterns, accessibility standards, and emerging mobile technologies.

• Product Strategy: Gain exposure to broader product strategy discussions, contributing to roadmapping and feature prioritization.

• Data Analytics for Design: Develop advanced skills in analyzing user data and leveraging A/B testing for design optimization.

• Mentorship: Benefit from mentorship within NEXTON's expert communities and potentially from senior designers at client organizations.

• Client Exposure: Work with a variety of major clients, gaining experience across different industries and business models.

📝 Enhancement Note: Challenges are framed as opportunities for growth, emphasizing the development of strategic thinking, data analysis skills, and advanced mobile design expertise within a dynamic client environment.

💡 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?" (Focus on your Product Thinking and problem-solving process)

• "Walk us through a complex mobile app feature you designed. What was the problem, your process, your key design decisions, and the impact?" (Prepare a strong case study from your portfolio)

• "How do you ensure design consistency across iOS and Android? What are the key differences you consider?" (Demonstrate your Mobile First expertise)

• "How do you use data and user feedback to inform your design decisions? Can you give an example?" (Highlight your data-driven approach)

Company & Culture Questions:

• "What interests you about NEXTON and this specific client project?" (Research NEXTON's values and the client's industry)

• "How do you handle constructive criticism on your designs?" (Demonstrate openness and a growth mindset)

Portfolio Presentation Strategy:

• Structure: For each case study, follow a clear narrative: Problem -> Your Role -> Process -> Solutions -> Outcomes.

• Visuals: Use high-quality mockups, wireframes, and prototypes. Show user flows and interactive elements where possible.

• Data: Quantify impact with metrics (e.g., % increase in conversion, reduction in support tickets, user satisfaction scores).

• Figma Demonstration: Be prepared to briefly show your Figma file structure, component usage, or prototyping capabilities if asked.

• Conciseness: Stay within the allotted time, focusing on the most impactful aspects of your work.

📝 Enhancement Note: Preparation should focus on articulating the design process, demonstrating problem-solving skills with concrete examples from the portfolio, and showcasing an understanding of both user needs and business objectives within an agile, mobile-first context.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit your application through the provided link on SmartRecruiters.

• Portfolio Customization: Ensure your portfolio is up-to-date and prominently features your strongest mobile application design projects, clearly outlining your end-to-end process and impact. Tailor your case study selection to highlight experience relevant to the job description's emphasis on user-centered design, mobile-first principles, and data-driven improvements.

• Resume Optimization: Update your resume to reflect 5-10 years of relevant experience in Product Design, specifically highlighting mobile app design (iOS/Android), proficiency in Figma, and