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 / User Experience (UX) / Digital Innovation

Date Posted: March 16, 2026

Experience Level: 5-10 Years (Senior)

Remote Status: On-site

🚀 Role Summary

• Spearhead the design of intuitive, elegant, and high-performing mobile applications, focusing on user experience and business objectives.

• Drive product strategy and execution from discovery through delivery, collaborating closely with cross-functional Product and Tech teams in an agile environment.

• Translate complex user needs and business goals into seamless user journeys, engaging interfaces, and impactful features.

• Leverage user feedback and analytical data to continuously iterate and optimize mobile app experiences for maximum impact.

• Champion a user-centered design philosophy, ensuring a cohesive and exceptional experience across iOS and Android platforms.

📝 Enhancement Note: This role is for a Senior Product Designer with a strong focus on mobile applications, operating within a client's product team. The emphasis on "agile" and "performance-oriented" suggests a fast-paced, results-driven environment where rapid iteration and data-informed decision-making are critical. The "Senior" title implies a need for leadership in design thinking, mentorship, and stakeholder management.

📈 Primary Responsibilities

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

• Lead the product design process from initial discovery and ideation through to final delivery, working hand-in-hand with Product Managers and Engineering teams.

• Translate user requirements and business goals into well-defined user flows, functional specifications, and compelling interface designs.

• Develop wireframes, mockups, and interactive prototypes to effectively test, iterate, and validate design concepts with stakeholders and end-users.

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

• Utilize user feedback, analytics data, and A/B testing insights to continuously improve and optimize the mobile app experience and maximize product impact.

• Facilitate co-creation workshops and design thinking sessions to foster collaboration and ensure alignment among diverse stakeholders.

• Guide and support developers during the implementation phase to ensure design integrity and high-quality delivery of final assets.

• Stay abreast of the latest mobile design trends, best practices, and platform-specific guidelines to inform design decisions.

• Advocate for the user throughout the product development lifecycle, ensuring that user-centricity remains at the forefront of all design initiatives.

📝 Enhancement Note: The responsibilities highlight a full-cycle product design role with a strong emphasis on mobile, user-centricity, and cross-functional collaboration within an agile framework. The need to "leverage user feedback and analytical data" points to a data-driven approach.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's or Master's degree in Design, HCI, Computer Science, or a related field is typically expected for senior-level product design roles. Equivalent practical experience will also be considered.

Experience: Minimum of 5-10 years of professional 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-centered, impactful digital experiences.

• Mobile-First Design: Mastery of design constraints, best practices, and user expectations for both iOS and Android environments.

• User Experience (UX) Design: Proven ability to create intuitive, usable, and desirable user journeys and interfaces.

• Wireframing & Prototyping: Proficiency in creating low-fidelity wireframes and high-fidelity interactive prototypes using industry-standard tools.

• User Research & Testing: Experience with qualitative and quantitative user research methodologies, including usability testing and A/B testing.

• Data Analysis: Ability to interpret user data and analytics to inform design decisions and measure impact.

• Collaboration & Communication: Excellent verbal and written communication skills, with the ability to present, articulate, and defend design decisions to diverse stakeholders.

• Agile Methodologies: Comfortable working within agile development cycles, participating in sprints, and collaborating with cross-functional teams.

• Design Tools: Advanced proficiency in Figma and familiarity with design-to-development workflows.

Preferred Skills:

• Experience in a consulting firm or ESN environment, understanding client-facing project dynamics.

• Familiarity with design systems and their implementation.

• Experience with animation and micro-interactions in mobile apps.

• Understanding of front-end development principles (HTML, CSS, JavaScript) to better collaborate with engineers.

• Experience mentoring junior designers.

📝 Enhancement Note: The qualifications emphasize a blend of strategic product thinking, strong UX/UI skills specifically for mobile, and practical technical proficiency with tools like Figma. The "5-10 years" experience level suggests a need for demonstrated leadership and independent problem-solving.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 3-5 significant mobile app design projects, clearly demonstrating your end-to-end design process.

• For each project, articulate the problem statement, your role and contributions, the design strategy, key iterations, and the final outcome.

• Highlight specific examples of how you translated user needs and business goals into design solutions.

• Include case studies that detail your approach to user research, wireframing, prototyping, usability testing, and data analysis.

Process Documentation:

• Provide examples of your wireframes, user flows, and high-fidelity mockups.

• Showcase interactive prototypes that illustrate key user journeys and interactions.

• Include examples of how you’ve leveraged user feedback and analytics data to iterate on designs.

• Document your experience facilitating co-design workshops or other collaborative design processes.

• Illustrate your ability to work within an agile development cycle, showing how design integrates with development sprints.

📝 Enhancement Note: A strong portfolio is paramount for this role. It needs to clearly demonstrate a comprehensive understanding of the mobile design lifecycle, from user research and ideation through to detailed UI design and data-informed iteration. The ability to articulate process and impact is key.

💵 Compensation & Benefits

Salary Range: For a Senior Product Designer with 5-10 years of experience in Paris, France, the estimated annual salary range is €55,000 - €75,000. This range is based on industry benchmarks for senior design roles in major European tech hubs, considering the cost of living in Paris and the typical compensation structures within consulting and digital agencies.

Benefits:

• Dynamic communities and professional networks for support and knowledge sharing.

• Regular Meetups and training sessions for continuous skill development.

• Opportunities for professional growth and learning through diverse projects and client engagements.

• Sports and festive events to foster team cohesion and employee well-being.

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

• A latest-generation phone provided for professional use.

Working Hours: Standard full-time working hours are expected, likely around 35-40 hours per week, typical for a full-time position in France. Flexibility may be offered depending on project needs and client demands, aligning with agile methodologies.

📝 Enhancement Note: The salary estimate is based on current market data for senior product design roles in Paris. Benefits are directly drawn from the provided text, highlighting NEXTON's focus on employee development and well-being.

🎯 Team & Company Context

🏢 Company Culture

Industry: Digital Transformation Consulting, IT Services (ESN), Digital Agency, and Design Consultancy. NEXTON operates at the intersection of these fields, blending strategic advisory with creative execution and technological implementation.

Company Size: Over 450 experts. This indicates a mid-to-large sized company with a significant presence and a broad range of expertise.

Founded: 2011. This suggests a company with established experience and a track record in the digital transformation space, likely having evolved with industry trends.

Team Structure:

• The Senior Product Designer will join a product team within one of NEXTON's clients, indicating a client-facing role embedded within a client's organization.

• Within NEXTON, there are likely specialized communities for digital, design, agile, product, and development experts, fostering knowledge sharing and peer support.

Methodology:

• NEXTON emphasizes digital strategy, design, agility, product development, and innovation.

• The company supports clients in their digital evolution and innovation strategies, suggesting a focus on modern approaches to product development.

• The role operates in an agile and performance-oriented context, implying iterative development, continuous improvement, and data-driven decision-making.

Company Website: https://www.nexton.com/ (Inferred from company name and domain)

📝 Enhancement Note: NEXTON positions itself as a hybrid consultancy/agency/ESN, offering a dynamic environment. The role is embedded within a client's team, providing exposure to real-world product challenges in established companies.

📈 Career & Growth Analysis

Operations Career Level: This is a "Senior" level role, indicating a significant degree of autonomy, expertise, and responsibility. The designer is expected to lead design initiatives, mentor others, and contribute strategically to product decisions. This level typically requires 5-10 years of experience.

Reporting Structure: Within the client's organization, the Senior Product Designer will likely report to a Product Manager, Head of Product, or a Design Lead. They will work closely with Product Owners, Agile Coaches, and development teams. Within NEXTON, there may be a Senior Design community or practice lead for professional development and peer support.

Operations Impact: The role has a direct impact on user engagement, conversion rates, customer satisfaction, and ultimately, the business success of the mobile applications they design. By creating intuitive and effective user experiences, the designer contributes significantly to achieving key business objectives and driving revenue or user adoption.

Growth Opportunities:

• Specialization: Deepen expertise in mobile UX/UI, specific platforms (iOS/Android), or related areas like user research or design systems.

• Leadership: Progress into Lead Product Designer, Design Manager, or Head of Design roles, overseeing teams and strategy.

• Cross-functional Skill Development: Gain deeper insights into product management, agile methodologies, and technical development through close collaboration.

• Client Impact: Work on a variety of challenging projects for large, established clients, building a robust portfolio and diverse experience.

• Mentorship: Opportunities to mentor junior designers and contribute to the growth of the design community within NEXTON.

📝 Enhancement Note: The "Senior" designation implies significant growth potential, moving from individual contribution to leadership and strategic influence, both within client projects and potentially within NEXTON's internal structure.

🌐 Work Environment

Office Type: The role is described as "On-site" in Paris. This means the designer will be working from the client's office location, which is typical for embedded consulting roles. The client's office environment will dictate the day-to-day workspace.

Office Location(s): Paris, Île-de-France, France. This is a major metropolitan area with a vibrant tech and business scene.

Workspace Context:

• The work will be conducted within the client's product and tech teams, fostering a collaborative and agile environment.

• Expect a dynamic workspace where cross-functional teams work closely together, likely utilizing open-plan offices or dedicated team areas common in tech companies.

• Access to standard office amenities, collaboration tools, and the client's specific technology stack will be available.

• Opportunities for direct interaction with Product Managers, Engineers, QA testers, and other stakeholders are inherent to the role.

Work Schedule: The role is full-time. While specific hours aren't detailed, standard business hours in Paris (likely around 9 AM to 6 PM) are expected, with potential for flexibility depending on project deadlines and agile sprint cycles. The emphasis on agile suggests a collaborative rhythm within the team's sprint cadence.

📝 Enhancement Note: As an embedded role, the physical work environment is determined by the client. However, the underlying culture is expected to be collaborative, agile, and fast-paced, typical of digital product development teams.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Likely a brief call with a recruiter from NEXTON to assess basic qualifications, experience, and cultural fit.

• Portfolio Review & Design Challenge: A core part of the process will involve presenting your portfolio to a hiring manager or senior designer. You may be asked to walk through specific case studies, explaining your process, decision-making, and impact. A practical design challenge, focused on a mobile app problem, might also be part of this stage.

• Client Interview: If successful with NEXTON, you will likely interview with the client's product team (e.g., Product Manager, Lead Designer, Engineering Lead) to assess your fit within their specific team and project context.

• Final Interview: Potentially a final interview with a senior leader at NEXTON or the client to confirm the offer.

Portfolio Review Tips:

• Structure: Organize your portfolio logically, with clear case studies for each project. Start with a concise overview, followed by problem definition, your role, process, solutions, and outcomes.

• Storytelling: Clearly articulate the "why" behind your design decisions. Explain the challenges faced, the trade-offs made, and how you arrived at your solutions.

• Quantify Impact: Whenever possible, use data and metrics to demonstrate the impact of your designs (e.g., improved conversion rates, increased user engagement, reduced task completion time).

• Mobile Focus: Ensure your portfolio strongly highlights your mobile app design expertise, showcasing your understanding of iOS and Android patterns.

• Figma Proficiency: Be prepared to discuss your workflow in Figma and how you collaborate with developers.

Challenge Preparation:

• Understand the Context: If given a design challenge, thoroughly understand the problem statement, target users, and business goals.

• Think Aloud: For live challenges, articulate your thought process clearly. Explain your assumptions, the approaches you consider, and why you choose a particular direction.

• Focus on Process: Demonstrate your design process rather than just delivering a polished final design. Show how you would research, ideate, prototype, and test.

• Consider Constraints: Be mindful of potential technical or business constraints mentioned in the challenge.

📝 Enhancement Note: The interview process is likely multi-stage, involving both NEXTON and the client. A strong portfolio demonstrating mobile expertise and a clear design process is critical. Be prepared for both portfolio presentations and practical design exercises.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Explicitly mentioned and is the primary tool for design, wireframing, prototyping, and collaboration. Mastery is essential.

• Prototyping Tools: While Figma covers this, familiarity with other prototyping tools like InVision, ProtoPie, or Adobe XD might be beneficial.

• Wireframing Tools: Tools like Balsamiq or Sketch (in conjunction with plugins) for initial ideation.

Analytics & Reporting:

• Analytics Platforms: Experience with tools like Google Analytics (for Mobile Apps), Firebase Analytics, Mixpanel, Amplitude, or similar platforms to understand user behavior and app performance.

• Data Visualization Tools: Familiarity with tools that can help visualize data for insights, though not explicitly required, could be a plus.

CRM & Automation:

• While not directly a design tool, understanding how design impacts CRM and user engagement funnels is valuable. Familiarity with how user data flows from apps into CRM systems or marketing automation platforms could be beneficial.

📝 Enhancement Note: Figma is the cornerstone of the required toolset. Beyond that, proficiency in mobile analytics tools is crucial for data-informed design.

👥 Team Culture & Values

Operations Values:

• User-Centricity: Placing the user at the heart of all design decisions is a core value, driving the creation of useful, usable, and desirable experiences.

• Collaboration: Strong emphasis on working closely with Product and Tech teams, fostering a co-creative environment through workshops and open communication.

• Agility & Iteration: Embracing agile methodologies means valuing flexibility, rapid iteration, and continuous improvement based on feedback and data.

• Impact & Performance: A focus on delivering tangible business results and high-performing applications, measured by user engagement and business objectives.

• Innovation: Encouraging creative problem-solving and exploring new approaches to digital product design.

Collaboration Style:

• Cross-functional Integration: Seamless collaboration between design, product management, and engineering is key. This involves shared understanding of goals, open communication channels, and joint problem-solving.

• Co-creation: Actively involving stakeholders in the design process through workshops and feedback sessions to ensure alignment and buy-in.

• Data-Informed Dialogue: Using data and user insights as a basis for design discussions and decision-making, fostering objective and productive conversations.

• Constructive Feedback: Encouraging an environment where feedback is shared openly and constructively, leading to continuous improvement of both the product and team processes.

📝 Enhancement Note: The culture emphasizes a modern, agile, and user-focused approach to product development, with strong collaboration between design, product, and engineering.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs with Business Goals: Effectively navigating the inherent tension between creating the best possible user experience and meeting demanding business objectives and timelines.

• Platform Specificity: Ensuring a consistent yet platform-optimized experience across iOS and Android, which have different design languages and user conventions.

• Rapid Iteration in Agile: Keeping pace with fast-paced agile development cycles while maintaining design quality and strategic thinking.

• Stakeholder Management: Effectively communicating design rationale, managing expectations, and gaining buy-in from diverse stakeholders with varying priorities.

• Data Interpretation: Translating raw analytics and user feedback into actionable design improvements.

Learning & Development Opportunities:

• Mobile UX Mastery: Deepen expertise in advanced mobile UX patterns, accessibility standards, and platform-specific best practices.

• Product Strategy: Develop a stronger understanding of product management principles, market analysis, and strategic roadmap planning.

• Leadership Skills: Enhance capabilities in mentoring junior designers, leading design initiatives, and influencing product strategy.

• Cross-Disciplinary Exposure: Gain deeper insights into the technical aspects of mobile development and the business dynamics of the client's industry.

• Community Engagement: Benefit from NEXTON's internal communities and networking events for continuous learning and professional development.

📝 Enhancement Note: The role offers significant opportunities for growth by tackling complex mobile design challenges within established companies, fostering both specialized skill development and broader product leadership capabilities.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex mobile app feature you designed. Walk us through your process from problem identification to final implementation, highlighting key decisions and trade-offs."

• "How do you balance user experience best practices with business objectives and technical constraints in a fast-paced, agile environment?"

• "Tell us about a time you used data or user feedback to significantly change a design direction. What was the insight, and what was the impact?"

Company & Culture Questions:

• "What interests you about NEXTON and this specific client engagement?"

• "How do you approach collaboration with Product Managers and Engineers? Can you give an example of a successful cross-functional collaboration?"

• "How do you stay updated on the latest mobile design trends and technologies?"

Portfolio Presentation Strategy:

• Tell a Story: For each case study, frame it as a narrative: the challenge, your journey (process), the solution, and the outcome.

• Highlight Your Role: Be very clear about your specific contributions, especially in team projects.

• Show, Don't Just Tell: Use visuals (wireframes, mockups, prototypes) effectively. Explain why you made certain design choices.

• Quantify Results: Wherever possible, present metrics that demonstrate the success or impact of your designs.

• Be Prepared for Questions: Anticipate questions about your process, decision-making, and challenges faced.

📝 Enhancement Note: Interview preparation should focus on articulating your design process, demonstrating mobile expertise, showcasing data-driven decision-making, and highlighting your collaborative and leadership potential.

📌 Application Steps

To apply for this operations position:

• Submit your application through the application link provided on SmartRecruiters.

• Resume Optimization: Tailor your resume to highlight your experience in mobile app design, product thinking, user-centered design, and proficiency in Figma. Use keywords from the job description and showcase quantifiable achievements.

• Portfolio Preparation: Ensure your portfolio is up-to-date, well-organized, and clearly demonstrates your mobile design process and impact. Prepare to present 2-3 key case studies that align with the role's requirements.

• Company Research: Familiarize yourself with NEXTON's services, client portfolio, and company culture. Understand the client's industry and potential product challenges to better tailor your application and interview responses.

• Practice your Pitch: Be ready to articulate your experience, design philosophy, and career aspirations clearly and concisely during interviews. Practice explaining your portfolio projects and responding to common design interview questions.

⚠️ 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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