Product Designer – App Mobile H/F

📍 Job Overview

Job Title: Product Designer – App Mobile H/F

Company: NEXTON

Location: Paris, France

Job Type: Temps complet (Full-time)

Category: Product Design / UX/UI Design

Date Posted: 2026-09-10

Experience Level: 5-10 Years

Remote Status: On-site

🚀 Role Summary

• Spearhead the design of intuitive, elegant, and high-performing mobile experiences for iOS and Android platforms, focusing on user-centricity.

• Drive product strategy from the discovery phase through to delivery, ensuring alignment between user needs, business objectives, and technical feasibility.

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

• Leverage user feedback and analytical data to continuously iterate and optimize mobile applications, maximizing product impact and user satisfaction.

• Foster a collaborative design environment by animating co-design workshops and facilitating alignment across product, design, and engineering teams.

📝 Enhancement Note: This role is positioned as a senior Product Designer, indicated by the "App Mobile H/F" title and the emphasis on piloting product reflection and driving decisions. The description suggests a significant level of autonomy and responsibility within a client-facing context, likely within the banking sector, requiring a blend of strategic thinking and hands-on design execution.

📈 Primary Responsibilities

• Design and craft exceptional user experiences for mobile applications, ensuring intuitive navigation, engaging interfaces, and optimal performance on both iOS and Android.

• Lead the end-to-end product design process, from initial concept and user research to wireframing, prototyping, user testing, and final delivery.

• Develop detailed wireframes, high-fidelity mockups, and interactive prototypes to effectively communicate design concepts and facilitate iterative feedback.

• Champion a "mobile-first" design philosophy, ensuring adherence to platform-specific guidelines and best practices for iOS and Android.

• Analyze qualitative and quantitative user data, alongside business objectives, to inform design decisions and drive continuous improvement of the mobile user experience.

• Facilitate and animate co-creation workshops with cross-functional teams, including product managers, engineers, and stakeholders, to foster collaboration and ensure design alignment.

• Collaborate closely with development teams to ensure accurate implementation of designs and maintain the highest standards of design quality throughout the development lifecycle.

• Actively contribute to product strategy discussions, bringing a user-centered perspective and data-informed insights to shape the product roadmap.

📝 Enhancement Note: The responsibilities highlight a proactive and strategic approach to product design, emphasizing leadership in user experience and product development. The mention of "client bancaire" and "forts enjeux business et utilisateurs" suggests a demanding environment where design decisions have a direct impact on business outcomes and customer satisfaction within the financial services sector.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's or Master's degree in Design, Human-Computer Interaction, Computer Science, or a related field is typically expected for this level of 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). Experience within a consulting firm or digital agency environment, working with large clients, is highly advantageous.

Required Skills:

• Mobile-First Design: Deep understanding of iOS and Android design principles, patterns, and constraints.

• Product Thinking: Ability to comprehend business objectives and translate them into user-centered, desirable, and usable digital experiences.

• UX/UI Design Expertise: Proficiency in designing intuitive user flows, creating wireframes, mockups, and high-fidelity interfaces.

• Prototyping & Iteration: Skilled in rapid prototyping and iterative design processes using tools like Figma.

• User Research & Testing: Experience in conducting user research, gathering feedback, and validating design hypotheses through user testing.

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

• Collaboration & Communication: Excellent verbal and written communication skills, with the ability to present, articulate, and co-create effectively with cross-functional teams.

• Agile Methodologies: Proven experience working within agile development environments.

• Problem-Solving: Strong analytical and problem-solving skills to address complex design challenges.

Preferred Skills:

• Experience in the banking or financial services industry.

• Familiarity with design systems and their implementation.

• Experience facilitating design sprints or workshops.

• Understanding of front-end development principles to facilitate better collaboration with engineers.

📝 Enhancement Note: The "5-10 years" experience level is inferred from the senior responsibilities and the expectation to "pilot" product reflection. The emphasis on "Mobile first," "Product thinking," and specific tools like "Figma" are directly extracted from the text. The requirement for experience in a "client bancaire" context strongly suggests a need for understanding the nuances of financial services UX.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a strong portfolio demonstrating end-to-end mobile product design projects for both iOS and Android platforms.

• Highlight case studies that illustrate your process from discovery and user research through wireframing, prototyping, and final implementation.

• Include examples of how you've used data and user feedback to iterate and improve designs, demonstrating a data-driven approach.

• Present interactive prototypes and final UI designs that emphasize intuitive user flows and engaging aesthetics.

• Clearly articulate your role, the challenges faced, and the impact of your design decisions on user experience and business outcomes. Process Documentation:

• Demonstrate a structured approach to product discovery, including user research methodologies and synthesis of findings.

• Detail your process for translating user needs and business requirements into actionable design solutions, including wireframing and prototyping techniques.

• Explain your methods for user testing, feedback collection, and iterative design refinement.

• Provide examples of how you collaborate with development teams to ensure design fidelity and quality during implementation.

📝 Enhancement Note: Given the emphasis on "Product thinking," "discovery," and "delivery," a strong portfolio that demonstrates the entire design lifecycle, not just visual output, is critical. The role's focus on "mobile first" and specific platforms implies a need for platform-specific design examples.

💵 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 between €60,000 and €85,000 annually, depending on experience and specific client project.

Benefits:

• Dynamic communities for professional networking and support.

• Regular Meetups for skill development and knowledge sharing.

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

• Participation in sports and festive events to foster team spirit and work-life balance.

• A sustainable mobility package to support commuting.

• A latest-generation mobile phone provided for professional use.

Working Hours: The role is described as "Temps complet" (Full-time), with an implied standard workweek of approximately 40 hours. Flexibility may be available depending on client needs and team agreements.

📝 Enhancement Note: Salary estimation is based on general market data for senior design roles in Paris, France, factoring in the specified experience level. The provided benefits are directly listed from the job description.

🎯 Team & Company Context

🏢 Company Culture

Industry: Digital Transformation, Consulting, IT Services (ESN), and Product Development. NEXTON operates at the intersection of consulting, creative factory, and IT services, serving large accounts and digital-native companies. The specific client in this role is within the banking sector.

Company Size: Over 450 experts, indicating a medium to large-sized consulting and IT services firm. This size allows for diverse project opportunities and a robust internal community.

Founded: 2011. NEXTON has a decade of experience in digital innovation, growing to a significant team size.

Team Structure:

• The Product Designer will join a team within one of NEXTON's clients, specifically a banking institution.

• This team operates in an agile, performance-oriented environment focused on mobile applications.

• Collaboration is expected to be close with Product and Tech teams, suggesting a cross-functional team structure.

• As part of NEXTON, the designer also benefits from internal communities of experts in digital, design, agility, product, and development. Methodology:

• Agile Product Development: The team works within an agile framework, emphasizing iterative development and continuous collaboration.

• User-Centered Design: A core methodology, placing users at the heart of all design decisions.

• Data-Driven Optimization: Utilizing analytics and user feedback to inform design improvements.

• Co-creation & Collaboration: Employing workshops and cross-functional teamwork to align stakeholders and drive innovation.

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

📝 Enhancement Note: The company description highlights a blend of consulting expertise and creative execution. The specific role is embedded within a client's team, meaning the immediate team culture will be influenced by the client's environment (banking sector, agile, mobile-focused). However, the candidate also becomes part of the broader NEXTON community.

📈 Career & Growth Analysis

Operations Career Level: Senior Product Designer. This level implies significant autonomy, ownership of complex projects, and the ability to mentor junior designers. The role requires driving product thinking, influencing strategy, and managing the design lifecycle from ideation to delivery.

Reporting Structure: Within the client's team, the Product Designer will likely report to a Product Lead, Design Manager, or Head of Product/Digital. As part of NEXTON, there's an overarching connection to their internal design community and management structure.

Operations Impact: The Product Designer's impact is direct and significant, influencing user acquisition, engagement, retention, and ultimately, the business success of the client's mobile applications. By creating intuitive and performant user experiences, they directly contribute to customer satisfaction and business objectives within the banking sector.

Growth Opportunities:

• Specialization: Deepen expertise in mobile UX/UI design for complex industries like finance, or explore adjacent areas like design systems or UX research leadership.

• Leadership: Progress into a Lead Product Designer role, mentoring teams, defining design strategy, and managing larger initiatives.

• Consulting Acumen: Develop stronger client management and strategic consulting skills by working across various client projects.

• Skill Development: Continuous learning through NEXTON's training programs, meetups, and community events, focusing on emerging design trends and technologies.

📝 Enhancement Note: The role's seniority is evident in the responsibility for "piloting product reflection" and driving decisions. The growth opportunities reflect typical career paths for senior designers in consulting and product development environments, emphasizing both technical depth and strategic influence.

🌐 Work Environment

Office Type: The role is based in Paris and is described as "On-site," indicating a traditional office environment within the client's premises.

Office Location(s): Paris, France. Specific details about the office location within Paris are not provided but would typically be in a central business district.

Workspace Context:

• The workspace is within a client's banking environment, likely characterized by a professional and potentially fast-paced atmosphere.

• The role is embedded within an agile, cross-functional team, suggesting a collaborative and dynamic setting.

• Access to standard office technology and tools will be available, with a strong emphasis on design software like Figma.

• Opportunities for interaction with product managers, developers, and other stakeholders are inherent to the role.

Work Schedule: Full-time (Temps complet), approximately 40 hours per week. While on-site, there might be some flexibility depending on team norms and client expectations, but the primary expectation is physical presence.

📝 Enhancement Note: The "On-site" nature of the role in Paris is a key characteristic. The environment is described as a client's banking office, suggesting a professional setting where collaboration with product and tech teams is paramount for successful agile execution.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and portfolio to assess relevant experience and design skills.

• Portfolio Presentation: You will likely be asked to present 1-2 key mobile design projects from your portfolio, detailing your process, challenges, and outcomes. Focus on how you applied "product thinking" and a "user-centered approach."

• Technical/Case Study Interview: Expect questions related to mobile design principles (iOS/Android), your proficiency with tools like Figma, and potentially a design exercise or scenario-based questions to assess your problem-solving skills.

• Cultural Fit & Collaboration: Interviews with team members (product, tech) to evaluate your collaboration style, communication skills, and how you would fit into an agile, client-focused environment.

• Final Interview: A discussion with senior management or hiring managers at NEXTON or the client to finalize the decision.

Portfolio Review Tips:

• Curate Strategically: Select projects that best showcase your mobile-first design expertise, end-to-end process, and impact on user experience and business goals. Prioritize projects relevant to financial services if possible.

• Tell a Story: For each project, clearly articulate the problem, your role, the design process (discovery, ideation, iteration, testing), the solutions you proposed, and the results achieved (metrics, user feedback).

• Highlight Figma Proficiency: Demonstrate your skills with Figma, including advanced features for prototyping, component libraries, and design system collaboration.

• Showcase Mobile Specifics: Clearly indicate how your designs cater to iOS and Android conventions and user expectations.

• Quantify Impact: Whenever possible, use data and metrics to demonstrate the success of your designs.

Challenge Preparation:

• Mobile Design Principles: Refresh your knowledge of current iOS Human Interface Guidelines and Android Material Design.

• Product Thinking Scenarios: Prepare to discuss how you would approach designing a new feature or solving a user problem for a banking app, considering business goals and user needs.

• Agile Collaboration: Be ready to describe how you work with developers and product managers in an agile sprint cycle.

• Tool Proficiency: Be prepared to discuss your experience with Figma and other design and prototyping tools.

📝 Enhancement Note: The interview process description is inferred from standard practices for senior design roles, especially in consulting environments where portfolio presentation is key. Emphasis is placed on the candidate's ability to articulate their process and impact, aligning with the job's requirements for strategic thinking and collaboration.

🛠 Tools & Technology Stack

Primary Tools:

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

• Prototyping Tools: Beyond Figma, experience with other prototyping tools that facilitate rapid iteration and user testing may be beneficial.

• Wireframing Tools: While Figma can handle this, familiarity with dedicated wireframing tools can also be advantageous.

Analytics & Reporting:

• Mobile Analytics Platforms: Familiarity with tools like Google Analytics for Mobile Apps, Firebase Analytics, Amplitude, or Mixpanel to interpret user behavior data and inform design decisions.

• User Feedback Tools: Experience with platforms for collecting and analyzing user feedback, such as surveys, in-app feedback mechanisms, or user interview analysis tools.

CRM & Automation:

• While not directly a CRM role, understanding how user data within customer-facing applications (like a banking app) informs product design is valuable. Familiarity with how design impacts conversion funnels and user journeys is key.

📝 Enhancement Note: Figma is the only tool explicitly mentioned. Other tools are inferred based on the responsibilities of analyzing data, iterating on designs, and working within an agile product development context.

👥 Team Culture & Values

Operations Values:

• User-Centricity: Placing the user at the core of all design decisions, aiming for experiences that are not only functional but also desirable and delightful.

• Excellence & Elegance: Striving for high-quality, polished, and performant mobile application designs.

• Collaboration: Fostering a team spirit where ideas are shared, co-created, and constructive feedback is welcomed.

• Data-Driven Innovation: Using insights from user data and business metrics to drive product evolution and design improvements.

• Agility & Adaptability: Thriving in dynamic environments, embracing iterative processes, and adapting to changing requirements.

Collaboration Style:

• Cross-functional Integration: Working seamlessly with Product Managers and Developers to ensure a unified product vision and efficient execution.

• Workshop Facilitation: Actively leading and participating in co-design sessions to align stakeholders and generate innovative solutions.

• Open Communication: Maintaining transparent and frequent communication regarding design progress, challenges, and decisions.

• Continuous Improvement: Embracing a culture of feedback and iteration, both within the design process and in team dynamics.

📝 Enhancement Note: The values and collaboration style are derived from the emphasis on user-centricity, agile methodology, and co-creation mentioned throughout the job description. These are common values in modern product design teams, especially within consulting firms that prioritize client collaboration.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs with Business Goals: Navigating the complexities of designing for a banking client where stringent regulations, security requirements, and business objectives must be met alongside user expectations.

• Platform Consistency: Ensuring a cohesive and high-quality user experience across both iOS and Android, each with its own design paradigms and user behaviors.

• Agile Iteration Speed: Maintaining design quality and strategic thinking while working within rapid agile development cycles that demand quick turnarounds.

• Stakeholder Alignment: Effectively managing diverse stakeholder expectations and ensuring buy-in for design decisions within a large corporate client.

Learning & Development Opportunities:

• Advanced Mobile Design: Deepening expertise in the latest mobile UX/UI trends, platform updates, and advanced interaction patterns.

• Financial Services UX: Gaining specialized knowledge in designing for regulated industries, focusing on trust, security, and compliance.

• Product Strategy: Developing a stronger understanding of product management principles and contributing more significantly to product roadmap decisions.

• Mentorship: Opportunities to mentor junior designers within NEXTON's community or informally within the client team.

📝 Enhancement Note: Challenges are framed around the specific context of a senior role in a banking client environment. Growth opportunities are aligned with advancing expertise in specialized areas and developing strategic leadership within product design.

💡 Interview Preparation

Strategy Questions:

• "Describe a challenging mobile app feature you designed. What was the problem, your approach, and the outcome?" (Focus on "product thinking" and "user-centered approach").

• "How do you balance user needs with strict business requirements or technical constraints in a regulated industry like banking?" (Assess understanding of context).

• "Walk us through your process for a mobile product discovery phase. What methods do you use to understand users and business goals?" (Demonstrate process).

• "How do you ensure design consistency and quality across iOS and Android platforms?" (Assess platform expertise). Company & Culture Questions:

• "What excites you about working on mobile banking applications?" (Gauge interest in the sector).

• "How do you collaborate with developers and product managers in an agile setting?" (Assess teamwork and agile fit).

• "Describe a time you had to influence stakeholders to adopt your design recommendation." (Evaluate communication and persuasion skills).

• "What are your thoughts on NEXTON's approach to design and innovation?" (Show understanding of the company's model). Portfolio Presentation Strategy:

• Select Impactful Projects: Choose 1-2 mobile-focused case studies that best exemplify your end-to-end design process, problem-solving skills, and ability to deliver results.

• Structure Your Narrative: For each project, clearly outline:

  • The Problem/Opportunity
  • Your Role & Responsibilities
  • The Target Audience/Users
  • Your Design Process (Research, Ideation, Wireframing, Prototyping, Testing, Iteration)
  • Key Design Decisions & Rationale
  • The Solution (Showcase UI/UX, interactive prototypes)
  • The Outcome & Impact (Quantify with data if possible)

• Emphasize Figma Usage: Briefly mention how you leveraged Figma's capabilities for collaboration, prototyping, or component management.

• Be Prepared for Deep Dives: Anticipate questions about specific design choices, trade-offs made, and how you handled feedback or challenges.

📝 Enhancement Note: Interview questions are crafted to probe the core requirements of the role: product thinking, mobile expertise, collaboration, and impact. Portfolio presentation advice focuses on structuring a compelling narrative that showcases the candidate's end-to-end design capabilities.

📌 Application Steps

To apply for this Product Designer position:

• Submit your application through the provided link on SmartRecruiters.

• Tailor Your Resume: Highlight your experience in mobile app design (iOS & Android), your proficiency with Figma, and any experience in the banking or financial services sector. Quantify achievements where possible.

• Curate Your Portfolio: Ensure your portfolio prominently features mobile-first projects, clearly detailing your design process from discovery to delivery. Be ready to present your strongest case studies.

• Prepare for Interviews: Research NEXTON and its client within the banking sector. Practice articulating your design process, problem-solving approach, and collaborative style, especially in an agile context.

• Highlight "Product Thinking": Be ready to discuss how you approach design challenges with a strategic mindset, considering both user needs and business objectives.

⚠️ 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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