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: October 1, 2026

Experience Level: 5-10 Years

Remote Status: On-site

🚀 Role Summary

• Drive the end-to-end product design process for mobile applications, focusing on intuitive and elegant user experiences for iOS and Android platforms.

• Collaborate closely with Product and Tech teams within an agile framework to translate user needs and business objectives into impactful digital solutions.

• Leverage user data and analytics to inform design decisions, iterate on concepts, and continuously improve application performance and user engagement.

• Champion a mobile-first design philosophy, ensuring consistency and adherence to platform-specific guidelines throughout the product lifecycle.

• Act as a key contributor in a client-facing environment, applying consulting expertise to innovation and digital transformation strategies.

📝 Enhancement Note: The role is explicitly for a "Senior Product Designer - App Mobile H/F" within a client's marketing team at a banking institution. This implies a focus on user-facing mobile applications with significant business impact, requiring strong product thinking and a deep understanding of mobile UX/UI principles. The emphasis on "agile" and "performance-oriented" contexts suggests a fast-paced environment where data-driven iteration is crucial. The "consulting cabinet" nature of NEXTON suggests an expectation of strategic input and client-facing skills.

📈 Primary Responsibilities

• Lead the design of intuitive, elegant, and high-performance mobile experiences for iOS and Android, prioritizing user-centricity.

• Drive the product thinking process from discovery phases through to delivery, in close collaboration with Product and Tech teams.

• Translate user needs and business objectives into fluid user journeys, relevant functionalities, and engaging interfaces.

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

• Ensure consistency of user experiences across all mobile platforms.

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

• Facilitate co-design workshops and ensure alignment among various stakeholders.

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

• Contribute to the strategic evolution of mobile applications, aligning design with overarching business goals.

📝 Enhancement Note: The responsibilities highlight a full-cycle design ownership, from initial concepting and user research to final implementation support. The emphasis on "piloting the product reflection," "translating business needs," and "maximizing product impact" indicates a strategic level of contribution beyond just UI execution, aligning with a Senior role and the consulting nature of NEXTON.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's or Master's degree in Design, Human-Computer Interaction, or a related field is typically expected for a Senior Product Designer role. Equivalent practical experience will also be considered.

Experience: 5-10 years of professional experience in Product Design, with a significant focus on mobile application design (iOS and Android).

Required Skills:

• Mobile-First Design: Deep understanding and practical application of iOS and Android design constraints and specificities.

• Product Thinking: Ability to grasp business challenges and design useful, usable, and desirable experiences.

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

• Data-Informed Design: Aptitude for using qualitative and quantitative data to guide design decisions.

• Communication & Collaboration: Strong ability to present, argue, and co-create with product and technical teams.

• Autonomy & Impact: Proactive in taking initiatives and influencing product decisions.

• Agility: Natural ability to thrive in agile and multidisciplinary environments.

• Design Tools: Mastery of key design and prototyping tools, particularly Figma.

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

Preferred Skills:

• Experience in the banking or financial services industry.

• Familiarity with design systems and their implementation.

• Experience conducting user research and usability testing.

• Knowledge of accessibility standards for mobile applications.

• Experience working with cross-functional teams in a consulting or agency environment.

📝 Enhancement Note: The "5-10 years" experience level suggests a need for a candidate who can not only execute but also mentor junior designers and contribute to design strategy. The explicit mention of "Figma" and "agile methodology" are critical technical and process requirements. The "mobile first" and platform-specific (iOS/Android) requirements are paramount for this role.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrate a strong portfolio showcasing end-to-end mobile application design projects (iOS and Android).

• Highlight projects where user needs and business objectives were translated into successful user experiences.

• Include case studies that detail the design process, from discovery and wireframing to prototyping, testing, and final delivery.

• Showcase examples of iterative design based on user feedback and data analysis.

• Present interactive prototypes and explain design decisions with clear rationale. Process Documentation:

• Showcase documentation of design processes, including user journey mapping, wireframing, and high-fidelity mockups.

• Provide examples of how user research and data analysis were integrated into the design workflow.

• Demonstrate experience with agile development cycles and collaboration with engineering teams.

• Illustrate how design consistency and quality were maintained across platforms.

📝 Enhancement Note: For a senior design role, the portfolio is paramount. It must not only showcase visual design skills but also the strategic thinking, problem-solving approach, and collaborative process behind the designs, particularly for mobile applications. Emphasis should be on demonstrating impact and iterative improvement.

💵 Compensation & Benefits

Salary Range: Given the "Senior" title, 5-10 years of experience, and location in Paris, France, a competitive salary range for a Product Designer is estimated to be between €55,000 and €75,000 per year gross. This estimate is based on industry benchmarks for senior design roles in major European tech hubs, considering the cost of living in Paris and the specialized nature of mobile app design.

Benefits:

• Dynamic communities for professional networking and support.

• Regular Meet Ups for skill development and knowledge sharing.

• Comprehensive training programs for continuous learning and career advancement.

• Participation in sports and festive events fostering team cohesion and well-being.

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

• Latest generation mobile phone provided for professional use.

Working Hours: 40 hours per week, typical for a full-time position in France. While the role is on-site, there may be some flexibility depending on client and team needs, common in agile environments.

📝 Enhancement Note: The salary range is an estimation for Paris, France, for a senior-level product designer. The provided benefits are directly extracted from the job description. The working hours are assumed to be standard full-time for France.

🎯 Team & Company Context

🏢 Company Culture

Industry: NEXTON operates within the Digital Transformation, Consulting, and IT Services (ESN) sectors. They partner with large clients and pure players in industries like banking, telecommunications, and transportation. This context means the role involves working on high-impact digital products for established organizations.

Company Size: Over 450 experts. This indicates a medium-to-large sized company with established processes and a significant client base, offering stability and opportunities for professional development.

Founded: 2011. A relatively young but established company, suggesting a blend of dynamic growth and experienced leadership.

Team Structure:

• The Senior Product Designer will join a marketing team at a client's banking institution.

• They will work within an agile environment, collaborating closely with Product Managers, Developers, and potentially other designers or researchers.

• NEXTON itself fosters a community of experts, suggesting internal knowledge sharing and support networks for its consultants. Methodology:

• Agile: The role is embedded within an agile team, requiring adaptability and iterative development practices.

• User-Centric Design: A core methodology, emphasizing understanding and addressing user needs.

• Data-Driven Decisions: Utilizing analytics and user feedback to inform design choices.

• Consulting Approach: Applying expertise to client challenges, driving innovation and digital strategy.

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

📝 Enhancement Note: The company culture is presented as a blend of consulting expertise, creative "Factory" innovation, and IT service dynamism. The specific client environment (banking) will shape the day-to-day work, while NEXTON's internal structure provides community and growth opportunities.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior Product Designer role, indicating a position of significant responsibility and expertise. It implies the ability to lead design initiatives, mentor junior team members, and influence product strategy. The role sits within a client's operational team, directly contributing to their digital product success.

Reporting Structure: The designer will report within the client's marketing team, likely to a Product Manager or Head of Mobile Product. Within NEXTON, they would be part of a broader community of designers, potentially having a dedicated community lead or manager for career development and support.

Operations Impact: The role has a direct impact on the user experience and performance of critical mobile applications for a major banking client. Successful designs will contribute to user acquisition, retention, engagement, and ultimately, business objectives such as transaction volume or customer satisfaction. The "performance-oriented" context underscores the measurable impact expected.

Growth Opportunities:

• Skill Specialization: Deepen expertise in mobile UX/UI, potentially focusing on specific platforms (iOS/Android) or advanced areas like accessibility or performance optimization.

• Leadership Development: Transition into Lead Product Designer roles, managing design teams, or taking on more strategic product ownership.

• Cross-Functional Expertise: Gain deeper understanding of business strategy, technical constraints, and marketing objectives within the banking sector.

• Consulting Acumen: Develop client management, presentation, and strategic advisory skills through NEXTON's framework.

• Community Engagement: Become a leader or mentor within NEXTON's design communities.

📝 Enhancement Note: The "Senior" designation implies a path towards leadership or advanced specialization. The embedded nature of the role within a client organization, supported by NEXTON's internal structure, offers a unique dual growth path: within the client's operational context and within NEXTON's professional development ecosystem.

🌐 Work Environment

Office Type: The role is on-site in Paris, within a client's marketing team at a banking institution. This suggests a corporate office environment, likely with open-plan workspaces, meeting rooms, and collaborative areas.

Office Location(s): Paris, France. Specific office location details would be provided during the interview process.

Workspace Context:

• Collaborative Environment: Expect to work closely with Product Managers, Developers, and other marketing/product stakeholders in a fast-paced, agile setting.

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

• Team Interaction: Frequent communication and collaboration with both the client's internal team and potentially other NEXTON consultants working on-site or remotely.

Work Schedule: The standard work schedule is likely 40 hours per week, with potential for flexibility based on project needs and team dynamics within the agile framework. The on-site nature requires physical presence in the office.

📝 Enhancement Note: The on-site requirement in a corporate banking environment suggests a professional, structured workspace. The emphasis on agile and collaboration means the environment will likely be dynamic and interactive, despite being in a traditional office setting.

📄 Application & Portfolio Review Process

Interview Process:

1. Initial Screening: A brief call with a recruiter or HR representative to assess basic qualifications, experience, and cultural fit.

2. Portfolio Review & Technical Interview: A more in-depth discussion with hiring managers and/or senior designers. This will involve a detailed walkthrough of your portfolio, focusing on your design process, problem-solving skills, and experience with mobile applications. Expect questions about your approach to user-centric design, agile methodologies, and specific tools like Figma.

3. Case Study/Design Challenge (Potential): You may be asked to complete a design exercise or case study, either take-home or during an interview, to evaluate your practical design skills and strategic thinking.

4. Final Interview: A meeting with key stakeholders, potentially including product leadership or client representatives, to assess overall fit, strategic alignment, and address any remaining questions.

Portfolio Review Tips:

• Curate Strategically: Select 3-5 of your strongest mobile app design projects that best demonstrate your skills relevant to this role (iOS/Android, user-centricity, data-informed iteration, product thinking).

• Tell a Story: For each project, clearly articulate the problem statement, your role, the process you followed (discovery, ideation, design, testing, iteration), the challenges you faced, and the measurable impact of your design solutions.

• Highlight Figma Proficiency: Be prepared to discuss your workflow in Figma, including how you use its features for collaboration, prototyping, and design system management.

• Quantify Impact: Whenever possible, use metrics (e.g., conversion rates, user satisfaction scores, task completion times) to demonstrate the success of your designs.

• Address Mobile Specifics: Emphasize your understanding of mobile-first design principles, platform-specific guidelines (iOS HIG, Material Design), and the unique constraints/opportunities of mobile interfaces.

Challenge Preparation:

• Understand the Context: If given a case study, thoroughly research the client's industry (banking) and potential user needs.

• Focus on Process: Demonstrate a clear, user-centered design process. It's often more about how you arrive at a solution than the final pixel-perfect UI.

• Think Mobile-First: Apply mobile design principles and consider platform differences.

• Articulate Trade-offs: Be prepared to discuss design decisions, potential trade-offs, and how you would prioritize features or resolve conflicts.

• Practice Presentation: Rehearse explaining your design process and rationale concisely and persuasively.

📝 Enhancement Note: The interview process is inferred to follow typical senior design hiring practices, emphasizing portfolio review and practical design problem-solving. The tips are tailored to showcase the required skills and experience for a mobile-focused senior product designer.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Explicitly mentioned as a required tool. Proficiency in its design, prototyping, collaboration, and potentially design system features is essential.

• Prototyping Tools: While Figma is primary, familiarity with other prototyping tools may be beneficial.

• Wireframing Tools: Tools for creating low-fidelity representations of user interfaces.

Analytics & Reporting:

• Mobile Analytics Platforms: Experience with tools like Google Analytics for Mobile Apps, Firebase Analytics, or similar platforms to track user behavior and application performance.

• Data Visualization Tools: Familiarity with tools that can help interpret and present user data and design impact (e.g., Tableau, Looker, or client-specific dashboards).

CRM & Automation:

• While not directly a design tool, understanding how design impacts user journeys within CRM or marketing automation platforms can be beneficial, especially in a client-facing role. This could include familiarity with how user data flows from app interactions into broader customer profiles.

• Collaboration Tools: Proficiency with project management and communication tools common in agile environments (e.g., Jira, Confluence, Slack, Microsoft Teams).

📝 Enhancement Note: The core tool requirement is Figma. Other tools are inferred based on the responsibilities of analyzing data and working within agile, cross-functional teams in a product development context.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A fundamental value, ensuring all design decisions prioritize the user's needs and experience.

• Excellence & Quality: Striving for high-quality, intuitive, and elegant mobile experiences.

• Collaboration: Valuing teamwork and effective communication with product, tech, and business stakeholders.

• Data-Driven Approach: Emphasizing the use of data and analytics to inform design and measure impact.

• Agility & Adaptability: Thriving in dynamic, fast-paced environments and embracing iterative processes.

• Innovation: Contributing creative solutions to digital transformation challenges.

Collaboration Style:

• Cross-functional Integration: Working seamlessly with product managers, engineers, and marketing teams to achieve shared goals.

• Co-creation & Workshops: Actively participating in and facilitating co-design sessions to foster collective problem-solving.

• Constructive Feedback: Open to giving and receiving feedback to continuously improve designs and processes.

• Knowledge Sharing: Contributing to the design community within NEXTON and sharing insights with client teams.

📝 Enhancement Note: The culture is a blend of NEXTON's values (consulting, creativity, dynamism) and the client's (likely corporate, performance-oriented, and agile). The core values revolve around user focus, quality, collaboration, and data.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs with Business Goals: Navigating the complexities of designing for a banking client where user experience must align with stringent business objectives and regulatory requirements.

• Platform Consistency: Maintaining a cohesive user experience across iOS and Android, each with its own design language and user expectations.

• Data Interpretation: Effectively translating complex analytics and user feedback into actionable design improvements.

• Stakeholder Alignment: Managing expectations and ensuring buy-in from diverse stakeholders with varying priorities.

• Fast-Paced Agile Environment: Adapting quickly to changing requirements and delivering high-quality designs within tight sprints.

Learning & Development Opportunities:

• Advanced Mobile Design Techniques: Deepening expertise in UI/UX for iOS and Android, including advanced interaction design, animation, and accessibility.

• Product Strategy: Gaining exposure to product roadmapping, business strategy, and market analysis within the financial sector.

• Data Analytics for Design: Enhancing skills in interpreting user data, A/B testing, and performance measurement to drive design impact.

• Consulting Skills: Developing client-facing communication, presentation, and advisory capabilities through NEXTON's framework.

• Mentorship: Opportunities to mentor junior designers and learn from experienced professionals within NEXTON and the client organization.

📝 Enhancement Note: The challenges are derived from the role's context: senior level, mobile focus, banking client, and agile environment. Growth opportunities are aligned with advancing within product design and consulting career paths.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex mobile app feature you designed. What was the problem, your process, the outcome, and what would you do differently?" (Focus on demonstrating product thinking, user-centricity, and iterative design).

• "How do you balance user needs with business objectives and technical constraints in a mobile-first environment?" (Prepare examples that showcase your ability to find optimal solutions).

• "Walk us through your process for validating design decisions on a new mobile feature, from ideation to post-launch analysis." (Highlight your use of prototyping, user testing, and data). Company & Culture Questions:

• "What do you know about NEXTON and our approach to digital innovation?" (Research NEXTON's website, values, and case studies).

• "How do you see yourself contributing to a client's marketing team and their mobile strategy?" (Align your skills with the role's context and client industry).

• "How do you stay updated on the latest trends and best practices in mobile UX/UI design for iOS and Android?" (Showcase continuous learning and passion for the field). Portfolio Presentation Strategy:

• Structure for Impact: Organize your portfolio presentation logically. Start with an executive summary of your experience, then dive into 2-3 key projects.

• Focus on Process, Not Just Pixels: For each project, explain the "why" and "how" behind your design decisions. Use visuals (wireframes, mockups, prototypes) to illustrate your points, but emphasize the problem-solving journey.

• Quantify Results: Present metrics and outcomes clearly. If exact numbers aren't available, discuss the intended impact and how success would be measured.

• Be Ready for Figma Questions: Prepare to discuss your specific workflows, plugins, and advanced features you use in Figma.

• Engage Your Audience: Make it a conversation. Ask clarifying questions and be prepared to discuss alternative approaches or challenges.

📝 Enhancement Note: These questions are designed to probe the candidate's strategic thinking, problem-solving abilities, and understanding of the core requirements for a senior mobile product designer in a consulting and client-facing capacity.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit your application directly through the provided SmartRecruiters link.

• Curate Your Portfolio: Select 2-3 of your most relevant mobile app design projects (iOS/Android) that best showcase your end-to-end design process, user-centric approach, and ability to drive impact. Ensure it highlights your proficiency with Figma and your understanding of mobile-first principles.

• Tailor Your Resume: Optimize your resume to clearly articulate your 5-10 years of experience in product design, specifically mentioning mobile applications, agile environments, and any relevant industry experience (e.g., finance). Use keywords from the job description such as "Product Design," "Mobile App," "iOS," "Android," "Figma," "Agile," and "User Experience."

• Prepare Your Narrative: Practice walking through your portfolio projects, focusing on the problem, your role, your process, the challenges, and the measurable outcomes. Be ready to discuss your design philosophy and how you collaborate with cross-functional teams.

• Research NEXTON and the Client Context: Familiarize yourself with NEXTON's company values, services, and their approach to digital transformation. Understand the context of working within a banking client's marketing team and the implications for mobile product design.

⚠️ 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.