Product Designer Mobile Senior (H/F)

📍 Job Overview

Job Title: Product Designer Mobile Senior (H/F)

Company: CITECH

Location: Issy-les-Moulineaux, Île-de-France, France

Job Type: Temps complet (Full-time)

Category: Product Design / UX/UI Design

Date Posted: 2026-09-16

Experience Level: Senior (4+ years)

Remote Status: On-site

🚀 Role Summary

• Lead the end-to-end product design lifecycle for a B2C mobile application, from initial discovery through to delivery, ensuring user-centricity and business alignment.

• Drive the translation of product vision and roadmap objectives into compelling and effective user experiences across both iOS and Android platforms.

• Champion the adoption and evolution of the Design System to ensure consistency, scalability, and efficiency in design outputs.

• Collaborate closely with cross-functional teams, including Product, Tech, QA, and UX Research, within an Agile framework to deliver high-quality digital products.

• Conduct user research, analyze data, and leverage insights to inform design decisions and continuously optimize user journeys and interface designs.

📝 Enhancement Note: This role is specifically focused on mobile application design within a B2C context, requiring a deep understanding of both iOS and Android platform specificities. The emphasis on the full product lifecycle, from Discovery to Delivery, highlights the need for a designer who can operate strategically and tactically.

📈 Primary Responsibilities

• Translate high-level product vision and strategic roadmap priorities into actionable user experience designs for a B2C mobile application.

• Actively challenge product requirements and contribute to defining optimal user journeys and feature flows that meet user needs and business objectives.

• Lead and execute discovery phases in close partnership with Product Managers, ensuring a thorough understanding of user problems and market opportunities.

• Utilize user research findings, analytics data, and qualitative feedback to guide design decisions and iteratively improve the application's user experience.

• Create detailed wireframes, user flows, high-fidelity prototypes, and interface designs that are both aesthetically pleasing and highly functional.

• Ensure design consistency and adherence to platform-specific guidelines for iOS and Android, while maintaining a cohesive overall user experience.

• Uphold high UI quality standards and integrate accessibility best practices throughout the design process to ensure inclusivity.

• Actively contribute to the development, maintenance, and evolution of the company's Design System, promoting its adoption and ensuring its effectiveness.

• Work collaboratively with development teams during the implementation phase, providing design support and ensuring accurate translation of designs into code.

• Participate in quality assurance (QA) phases to verify the fidelity of the implemented design against specifications and user experience goals.

• Engage with various stakeholders, present design concepts, gather feedback, and iterate on solutions to drive continuous product improvement.

• Maintain a proactive awareness of emerging trends, best practices, and advancements in Product Design and mobile technology.

📝 Enhancement Note: The responsibilities indicate a need for a Senior Product Designer who can not only execute design tasks but also influence product strategy and mentor junior team members. The mention of "Discovery and Delivery" implies a full-stack design role, requiring an understanding of both user research and development handoff.

🎓 Skills & Qualifications

Education: Higher education degree (e.g., Grande École, Engineering School, Business School, or specialized Master's in Design).

Experience: Minimum of 4 years of experience in a similar Product Design role, preferably within a B2C, consumer, or e-commerce environment.

Required Skills:

• Mastery of Product Design methodologies and best practices.

• Proficient in user research techniques and the ability to translate findings into actionable design insights.

• Strong UX and UI design skills, with a proven ability to create intuitive and engaging user interfaces.

• Deep understanding of iOS and Android design guidelines, patterns, and platform-specific user experience expectations.

• Expertise in designing user flows, creating wireframes, and developing high-fidelity prototypes.

• Experience working with and contributing to Design Systems.

• Familiarity with Agile methodologies and working within cross-functional product teams.

• Excellent communication and presentation skills, with the ability to articulate design decisions clearly and persuasively.

• Professional English proficiency, essential for presentations and international collaboration. Preferred Skills:

• Aptitude for or experience with Artificial Intelligence (AI) related product features or design considerations.

• Experience in e-commerce or other high-traffic B2C digital environments.

• Familiarity with accessibility standards and implementation in mobile design.

• Experience with specific design and prototyping tools such as Figma, Sketch, Adobe XD, or similar.

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

📝 Enhancement Note: The requirement for 4+ years of experience and specific B2C/e-commerce background suggests the company is looking for a candidate who can hit the ground running and provide immediate strategic and practical design leadership. The emphasis on professional English also points to a potentially international scope for the product or team.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 2-3 detailed case studies demonstrating end-to-end Product Design processes for mobile applications (iOS and/or Android).

• Clearly articulate your role, the problem statement, design process, challenges faced, and the ultimate impact of your design solutions.

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

• Highlight your experience with Design Systems, including contributions or how you leveraged existing systems.

• Demonstrate understanding of user research methodologies and how insights informed your design decisions. Process Documentation:

• Detail your approach to user research, including methodologies used and how findings were synthesized.

• Illustrate your workflow for translating product requirements into design artifacts (e.g., from brief to high-fidelity mockups).

• Show examples of how you collaborated with Product Managers, Developers, and QA teams throughout the design and development lifecycle.

• Present how you ensured accessibility and quality standards were met in your design deliverables.

• Include examples of how you iterated on designs based on user feedback or A/B testing results.

📝 Enhancement Note: Given the senior nature of the role and the specific mention of "Discovery to Delivery," a portfolio that clearly outlines the candidate's ability to manage the entire design process, including strategic thinking and cross-functional collaboration, will be crucial. Demonstrating impact through metrics or qualitative outcomes will be highly valued.

💵 Compensation & Benefits

Salary Range: €45,000 - €60,000 per year (Gross annual salary).

Benefits:

• Personalized career follow-up and professional development support from CITECH.

• Opportunities for skill enhancement and professional growth within stimulating technological environments.

• Membership in a structured design community for knowledge sharing and collaboration.

• Exposure to challenging and strategic IT and digital projects.

• Work on a high-visibility B2C digital product with a specific focus on mobile applications.

Working Hours: Full-time (Temps complet), likely based on standard French working hours (e.g., 35-40 hours per week), with potential for some flexibility depending on team practices.

📝 Enhancement Note: The salary range provided (€45k-€60k) is an estimate based on the input data for a Senior Product Designer in the Issy-les-Moulineaux area of France. This range is generally aligned with market rates for experienced designers in similar roles, considering the specified experience level and the cost of living in the Île-de-France region. The benefits are tailored to what CITECH, as an ESN (IT consulting company), typically offers its consultants, focusing on career support and professional development.

🎯 Team & Company Context

🏢 Company Culture

Industry: IT and Digital Services (ESN - Entreprise de Services du Numérique). CITECH specializes in IT and digital professions, focusing on projects requiring expertise, autonomy, and proximity to operational teams.

Company Size: Small to Medium-sized Enterprise (ESN à taille humaine). This size allows for personalized follow-up and a close-knit team environment.

Founded: Not specified, but the company emphasizes a focus on innovation, concrete solutions, and professional development.

Team Structure:

• The Senior Product Designer will be part of a multidisciplinary squad operating in an Agile environment. This squad includes Product Managers, Tech teams (developers), QA specialists, and UX Researchers.

• The designer will also be integrated into a structured Design community, fostering collaboration, knowledge sharing, and best practice development among designers within CITECH.

• This dual integration (squad and design community) suggests a collaborative culture that values both project-specific teamwork and broader professional development. Methodology:

• Agile methodologies are central to the team's workflow, emphasizing iterative development, flexibility, and close collaboration.

• The approach prioritizes innovation and the search for concrete solutions to client challenges.

• Data-driven decision-making is expected, with UX research and user data playing a key role in shaping product design.

• A strong emphasis is placed on quality of missions and personalized support for consultants.

Company Website: citechglobal.com (derived from domain_derived)

📝 Enhancement Note: CITECH positions itself as a human-sized IT consulting firm, differentiating itself by offering personalized support and high-quality missions. This suggests a culture that values individual growth, expertise, and close relationships with its consultants, while working on strategic projects for clients.

📈 Career & Growth Analysis

Operations Career Level: Senior Product Designer. This level signifies a candidate expected to lead design initiatives, manage complex projects independently, mentor junior designers, and contribute to strategic product decisions. The role requires a blend of strong design craft, strategic thinking, and excellent communication skills.

Reporting Structure: The Senior Product Designer will report within their multidisciplinary Agile squad, likely to a Product Owner or Scrum Master for project-specific tasks. They will also be part of CITECH's broader Design community, potentially reporting to a Design Lead or Manager for career development and community engagement.

Operations Impact: The Senior Product Designer's impact will be directly visible in the user experience and adoption of a B2C mobile application. By translating product strategy into intuitive and engaging interfaces, they will influence user satisfaction, retention, and potentially conversion rates. Their contributions to the Design System will also streamline future design and development efforts, increasing overall team efficiency and product quality.

Growth Opportunities:

• Specialization: Deepen expertise in mobile UX/UI design, accessibility, or emerging areas like AI integration within product design.

• Leadership: Transition into a Lead Product Designer role, managing design teams or taking ownership of larger product areas.

• Mentorship: Guide and mentor junior designers within the CITECH community, honing leadership and coaching skills.

• Cross-functional Expertise: Develop a deeper understanding of product management, Agile development processes, and business strategy through close collaboration.

• Industry Exposure: Gain experience across various projects and client types, broadening professional perspective and technical skill set.

📝 Enhancement Note: For a senior role, growth opportunities should extend beyond just design craft. The mention of a "structured design community" and "personalized follow-up" by CITECH suggests a clear path for professional development, potentially including leadership, mentorship, and strategic contributions.

🌐 Work Environment

Office Type: The role is described as "On-site" (based on ai_work_arrangement), implying a physical office location in Issy-les-Moulineaux. This environment likely fosters in-person collaboration and team cohesion.

Office Location(s): Issy-les-Moulineaux, Île-de-France, France. This location is a well-established business hub near Paris, offering good accessibility via public transport.

Workspace Context:

• Collaborative Environment: The role emphasizes working within a multidisciplinary squad (Product, Tech, QA, UX Research) and a structured Design community, indicating a highly collaborative and interactive workspace.

• Tools & Technology: While specific tools aren't detailed for the workspace, the job description mentions Design Systems, Prototyping, iOS, Android, and potentially AI, suggesting access to modern design software and collaboration platforms.

• Team Interaction: Expect regular team meetings, design critiques, workshops, and direct communication with developers and product stakeholders, facilitated by the Agile methodology.

Work Schedule: Full-time (Temps complet). Standard French working hours are typically 35-40 hours per week. While on-site, there might be some flexibility in daily start/end times, common in many tech environments, but core hours for team collaboration will likely be expected.

📝 Enhancement Note: The on-site nature of the role suggests a preference for direct collaboration and team synergy, which is often beneficial for complex design projects and fostering a strong team culture. The location in Issy-les-Moulineaux is a significant business district, implying a professional and well-equipped office environment.

📄 Application & Portfolio Review Process

Interview Process:

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

• Technical/Design Interview: Likely a discussion focused on your past projects, design process, problem-solving approach, and specific experience with mobile design, iOS/Android, and Design Systems. This may involve a portfolio walkthrough.

• Cross-functional/Team Interview: An opportunity to meet with potential team members (Product, Dev, QA) to assess collaboration style, communication skills, and cultural fit within the Agile squad.

• Final Interview: Potentially with a senior member of CITECH or the client's product leadership to discuss strategic contributions, career aspirations, and confirm overall suitability.

Portfolio Review Tips:

• Mobile Focus: Ensure your portfolio prominently features strong examples of mobile application design (iOS and Android), showcasing your understanding of platform-specific nuances.

• End-to-End Process: Clearly illustrate your involvement from Discovery through to Delivery. Detail your problem-solving process, user research integration, iteration cycles, and final outcomes.

• Design System Contribution: If you have experience with Design Systems, highlight how you've contributed to, leveraged, or advocated for them.

• Quantifiable Impact: Whenever possible, include metrics or qualitative results that demonstrate the impact of your design decisions on user behavior or business goals.

• Conciseness and Clarity: Present your case studies in a structured, easy-to-digest format. Focus on storytelling that highlights your strategic thinking and problem-solving abilities.

Challenge Preparation:

• Design Exercise: Be prepared for a potential design exercise, either during the interview or as a take-home assignment. This could involve critiquing an existing mobile interface, proposing improvements for a user flow, or designing a small feature. Focus on demonstrating your process, not just the final output.

• Scenario-Based Questions: Anticipate questions about how you would handle specific design challenges, such as conflicting stakeholder feedback, tight deadlines, or integrating new technologies like AI.

• Agile & Collaboration: Be ready to discuss your experience working in Agile environments and collaborating effectively with cross-functional teams.

📝 Enhancement Note: For a senior role, interviewers will be looking for strategic thinking, leadership potential, and a deep understanding of the entire product development lifecycle, not just pixel-perfect UI execution. A well-curated portfolio that tells a compelling story of impact will be critical.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Proficiency in industry-standard tools such as Figma, Sketch, Adobe XD, or similar for creating wireframes, mockups, and interactive prototypes.

• Design Systems: Experience with creating, maintaining, or heavily utilizing Design Systems for consistent UI/UX across platforms.

• Collaboration Platforms: Familiarity with tools like Jira, Confluence, Slack, or similar for Agile project management, documentation, and team communication.

Analytics & Reporting:

• While not explicitly stated as a requirement for the designer, a good understanding of how to interpret analytics data (e.g., from tools like Google Analytics, Mixpanel, Amplitude) to inform design decisions is beneficial.

• The ability to work with UX Research tools and data visualization platforms to understand user behavior. CRM & Automation:

• Not typically a direct responsibility for a Product Designer, but awareness of how CRM systems and marketing automation tools might influence user journeys or data collection points could be advantageous.

📝 Enhancement Note: The job description highlights "Design System" and "Prototyping" as key elements. While specific software isn't named, it's safe to assume proficiency in leading design tools like Figma or Sketch is expected. Understanding how design integrates with Agile workflows and potentially AI features is also important.

👥 Team Culture & Values

Operations Values:

• Innovation & Solution-Oriented: A strong focus on finding concrete, innovative solutions to complex IT and digital challenges.

• Expertise & Autonomy: Valuing skilled professionals who can work independently and take ownership of their work.

• Proximity & Collaboration: Emphasizing close relationships with clients and internal teams, fostering a collaborative spirit.

• Professional Development: A commitment to continuous learning, skill enhancement, and career progression for its consultants.

• Quality Focus: Prioritizing the quality of missions and ensuring excellent outcomes for both clients and employees.

Collaboration Style:

• Agile & Cross-functional: Works within multidisciplinary squads using Agile methodologies, encouraging open communication and shared responsibility.

• Community-Driven: Fosters a structured Design community where designers can share knowledge, receive feedback, and support each other's growth.

• Stakeholder Engagement: Encourages direct interaction and feedback exchange with Product, Tech, QA, and other relevant stakeholders to ensure alignment and drive continuous improvement.

• Mentorship & Knowledge Sharing: Supports a culture where experienced professionals mentor others and best practices are actively disseminated.

📝 Enhancement Note: CITECH's culture appears to be a blend of client-focused project delivery and employee-centric development. The emphasis on "human-sized" and "personalized follow-up" suggests a supportive environment where individual contributions are recognized, while the Agile and community aspects highlight a modern, collaborative approach to work.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Stakeholder Needs: Effectively navigating and reconciling potentially diverse requirements from Product, Tech, and business stakeholders.

• Platform Specificity: Ensuring seamless and intuitive user experiences across both iOS and Android, each with its own design paradigms and user expectations.

• Design System Evolution: Keeping the Design System up-to-date and ensuring its adoption across projects while accommodating new features and evolving design trends.

• Integrating Emerging Technologies: Designing for features that involve AI or other advanced technologies, requiring a proactive learning approach and innovative problem-solving.

• Maintaining High UI/UX Quality: Upholding rigorous design standards in a fast-paced Agile environment with potentially tight deadlines.

Learning & Development Opportunities:

• Advanced Mobile Design: Deepen expertise in mobile UX, UI patterns, and platform best practices through hands-on project work.

• Design Leadership: Develop skills in mentoring junior designers, leading design critiques, and contributing to design strategy.

• AI in Design: Explore the application of AI in product design and user experience, staying at the forefront of technological advancements.

• Cross-functional Acumen: Gain a broader understanding of product management, development cycles, and business objectives through close team collaboration.

• Industry Exposure: Work on diverse projects within CITECH's portfolio, expanding experience across different industries and user bases.

📝 Enhancement Note: The challenges presented are typical for a senior designer in a dynamic tech environment. The growth opportunities highlight a clear path for continued learning and career advancement, leveraging CITECH's focus on professional development and diverse project exposure.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to translate complex business requirements into a user-friendly mobile experience. What was your process, and what was the outcome?" (Focus on problem-solving, user-centricity, and impact.)

• "How do you approach balancing the specific design guidelines of iOS and Android while maintaining a cohesive brand experience?" (Showcase platform expertise and strategic thinking.)

• "Walk us through a significant iteration you made on a design based on user feedback or data. What was the feedback, and how did it change your approach?" (Demonstrate adaptability, data-driven decision-making, and user empathy.) Company & Culture Questions:

• "What interests you about CITECH and this specific role as a Senior Product Designer?" (Research CITECH’s values and tailor your response.)

• "How do you contribute to a positive and productive team environment, especially within an Agile squad?" (Highlight collaboration, communication, and problem-solving skills.)

• "How do you stay updated on the latest trends in mobile design and Product Design?" (Showcase your commitment to continuous learning.) Portfolio Presentation Strategy:

• Narrative is Key: For each case study, tell a story. Start with the problem, explain your role and process, highlight challenges and decisions, and conclude with the results and lessons learned.

• Visual Clarity: Ensure your visuals (mockups, flows, prototypes) are clean, well-organized, and easy to understand. Use annotations where necessary to explain design choices.

• Focus on Mobile: Emphasize your mobile design expertise. Show how you considered touch targets, navigation patterns, and platform conventions.

• Design System Integration: If applicable, clearly show how you used or contributed to a Design System, explaining its benefits.

• Quantify Impact: Wherever possible, use data (e.g., conversion rate improvements, engagement metrics, user satisfaction scores) to demonstrate the success of your designs.

📝 Enhancement Note: For a senior role, interviewers will be looking for strategic thinking, leadership potential, and a deep understanding of the entire product development lifecycle, not just pixel-perfect UI execution. A well-curated portfolio that tells a compelling story of impact will be critical.

📌 Application Steps

To apply for this Product Designer position:

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

• Tailor your CV: Highlight your 4+ years of experience in Product Design, specifically mentioning your work on B2C mobile applications, iOS/Android, Design Systems, and Agile methodologies. Quantify achievements where possible.

• Curate your Portfolio: Select 2-3 of your strongest mobile design case studies that demonstrate your end-to-end process, problem-solving skills, and impact. Ensure it's easily accessible and clearly showcases your expertise in UX/UI, prototyping, and platform-specific design.

• Prepare for Portfolio Presentation: Be ready to walk through your portfolio in detail, explaining your design rationale, challenges, and outcomes. Practice articulating your process concisely and effectively.

• Research CITECH: Understand CITECH's mission, values, and approach to IT consulting. Prepare to discuss why you are a good cultural fit and how your skills align with their "human-sized" and innovation-focused ethos.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.