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: 2-5 years (Mid-Senior level)

Remote Status: On-site

🚀 Role Summary

• This role is for a Senior Product Designer focused on a B2C mobile application, requiring end-to-end product design lifecycle management from discovery to delivery.

• The position involves close collaboration within a multidisciplinary squad (Product, Tech, QA, UX Research) operating in an Agile framework.

• Key responsibilities include translating product vision into user experiences, designing user journeys, and creating high-fidelity mockups and prototypes for both iOS and Android platforms.

• The role demands expertise in leveraging user research and data to inform design decisions, as well as maintaining and evolving the Design System.

📝 Enhancement Note: The job title "Product Designer Mobile Senior (H/F)" indicates a mid-to-senior level role with specific expertise in mobile product design. The (H/F) designation is standard in French job postings to ensure gender inclusivity. The core responsibilities and requirements strongly suggest a focus on user-centered design principles within a fast-paced digital product development environment.

📈 Primary Responsibilities

• Translate product vision and roadmap objectives into impactful user experiences for a B2C mobile application.

• Drive and lead Discovery phases in collaboration with Product teams to define and refine application user journeys and features.

• Utilize user research findings and data analytics to guide and validate design decisions and user flow optimization.

• Design comprehensive user flows, wireframes, high-fidelity mockups, and interactive prototypes for both iOS and Android interfaces.

• Ensure a high standard of UI quality and adherence to accessibility guidelines across all design deliverables.

• Actively contribute to and evolve the existing Design System to maintain consistency and efficiency.

• Collaborate closely with development teams throughout the implementation phase to ensure accurate design translation.

• Participate in quality assurance (QA) and user acceptance testing (UAT) to guarantee the fidelity and usability of the final product.

• Engage with various stakeholders to present design solutions, gather feedback, and iterate on designs.

• Conduct ongoing market research and stay abreast of best practices in Product Design, mobile UX/UI, and emerging technologies like AI.

📝 Enhancement Note: The emphasis on "Discovery" and "Delivery" phases, along with "Product Strategy," "User Journey," and "AI," indicates a role that is deeply integrated into the product development lifecycle and is expected to contribute strategically, not just executively. The need to "Challenger les besoins" (challenge needs) suggests an expectation for proactive input and critical thinking from the designer.

🎓 Skills & Qualifications

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

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

Required Skills:

• Mastery of Product Design methodologies and frameworks.

• Proficiency in user research techniques and interpretation of research data.

• Strong UX and UI design skills, with a portfolio demonstrating complex mobile application designs.

• In-depth understanding of iOS and Android design guidelines, conventions, and platform-specific nuances.

• Expertise in designing user flows, creating interactive prototypes, and delivering high-fidelity mockups.

• Experience working with and contributing to Design Systems.

• Familiarity with Agile development methodologies and cross-functional team collaboration.

• Professional English proficiency for presentations and international communication. Preferred Skills:

• Aptitude for and experience with Artificial Intelligence (AI) related product features.

• Experience in e-commerce product design.

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

• Experience with accessibility best practices beyond basic compliance.

📝 Enhancement Note: The requirement for "professional English" is significant for a role based in France, indicating potential international product scope or team collaboration. The explicit mention of "AI" as a plus suggests the company is exploring or implementing AI features, and designers with relevant experience will be highly valued. The 4+ years of experience, combined with the "Senior" title, points towards an expectation of leadership and autonomy in design decision-making.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase end-to-end product design projects for mobile applications (iOS and Android).

• Demonstrate a strong understanding of user-centered design principles and your role in the process.

• Include case studies detailing problem definition, user research, ideation, design iterations, prototyping, and final solutions.

• Highlight your contribution to Design Systems, including how you've used, evolved, or contributed to them.

• Present clear visual examples of high-fidelity mockups and interactive prototypes.

• Quantify impact where possible, e.g., improvements in user engagement, task completion rates, or conversion. Process Documentation:

• Ability to articulate your design process clearly, from problem discovery to delivery and iteration.

• Experience in documenting user flows, wireframes, and interaction design specifications.

• Examples of how you've collaborated with Product Managers, Engineers, and QA throughout the development lifecycle.

• Demonstrations of how user research and data have informed your design decisions.

📝 Enhancement Note: A robust portfolio is crucial for this role, emphasizing not just visual design but also the strategic thinking and process behind it. The expectation for "high-fidelity prototypes" and "mockups" indicates a need for advanced design tooling proficiency. The mention of "Discovery" and "Delivery" implies the portfolio should reflect involvement across the entire product development spectrum.

💵 Compensation & Benefits

Salary Range: €40,000 - €65,000 per year (for permanent roles).

Freelance Rate: €400 - €500 per day.

Benefits:

• Personalized career follow-up and support throughout your mission.

• Opportunities for professional development and skill enhancement.

• Access to a structured design community for knowledge sharing and networking.

• Involvement in challenging, high-impact digital projects.

• Work within a stimulating technological environment.

Working Hours: Standard full-time working hours, likely 40 hours per week, with potential for flexibility depending on team and project needs.

📝 Enhancement Note: The salary range provided is a strong indicator of the mid-to-senior level of this role within the French market for Product Designers. The freelance rate suggests the company is open to contract engagements or uses this as a benchmark. The benefits highlight a focus on employee growth and community, which is appealing for long-term career development in operations-adjacent fields like product design.

🎯 Team & Company Context

🏢 Company Culture

Industry: Information Technology and Services (ESN - Entreprise de Services du Numérique), specializing in IT and Digital transformation.

Company Size: CITECH describes itself as an "ESN à taille humaine" (human-sized IT services company), suggesting a team size that fosters close relationships and personalized attention, likely ranging from 50-250 employees.

Founded: The founding date is not specified, but the company's description implies a focus on strategic projects, expertise, autonomy, and close proximity to operational teams, indicating a mature and client-focused approach.

Team Structure:

• The role is part of a multidisciplinary squad operating in Agile, including Product Managers, Developers, QA Engineers, and UX Researchers.

• You will also be part of a structured Design community, facilitating collaboration, knowledge sharing, and best practice dissemination among designers.

• Reporting likely involves a combination of a direct manager within CITECH (for HR and career aspects) and functional alignment with the product team lead on the client side. Methodology:

• Agile methodologies are central to the team's workflow, emphasizing iterative development and cross-functional collaboration.

• The company emphasizes quality, expertise, autonomy, and proximity to operational teams, suggesting a results-oriented and collaborative approach to project delivery.

• Innovation and the search for concrete solutions are core to the projects CITECH undertakes.

Company Website: https://www.citechglobal.com/ (Inferred from domain_derived)

📝 Enhancement Note: CITECH positions itself as a partner that provides specialized IT and digital expertise, focusing on quality missions and personalized support for its consultants. This "human-sized" approach suggests a culture that values individual contribution and professional growth, distinct from larger, more bureaucratic consulting firms.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior Product Designer role, indicating a level of experience where individuals are expected to lead design initiatives, mentor junior designers, and contribute to strategic product decisions. It sits within the mid-to-senior tier of the design career path.

Reporting Structure: The designer will report to a functional lead at CITECH for career management and will work closely with Product Managers and Tech Leads within the client's Agile squad for project delivery.

Operations Impact: Senior Product Designers significantly impact product success by ensuring user needs are met, driving user adoption, and contributing to product strategy. Their work directly influences user experience, engagement, and ultimately, business objectives like customer satisfaction and revenue in B2C applications.

Growth Opportunities:

• Specialization: Deepen expertise in mobile UX/UI, AI-driven design, or specific B2C product domains.

• Leadership: Transition into a Lead Product Designer role, managing design teams or initiatives.

• Mentorship: Guide and mentor junior designers within CITECH's design community.

• Strategic Contribution: Influence product roadmap and strategy through advanced design thinking and user advocacy.

• Continuous Learning: Participate in industry events, workshops, and training programs to stay current with design trends and technologies.

📝 Enhancement Note: The "Senior" designation implies a trajectory towards design leadership or specialized expertise. CITECH's emphasis on professional development and a structured design community suggests a commitment to fostering these growth opportunities for their consultants.

🌐 Work Environment

Office Type: The role is based on-site in Issy-les-Moulineaux, indicating a traditional office environment for collaboration and project work.

Office Location(s): Issy-les-Moulineaux, a well-connected suburb of Paris, France, known for its concentration of tech and media companies.

Workspace Context:

• The workspace is within a multidisciplinary Agile squad, fostering a collaborative and dynamic environment.

• Access to relevant design tools and technologies will be provided by the client or CITECH.

• Opportunities for regular interaction with Product, Tech, QA, and UX Research teams, as well as the broader CITECH Design community.

Work Schedule: Full-time (Temps complet), likely adhering to standard French working hours (e.g., 35-40 hours per week), with potential for some flexibility depending on project demands and client expectations.

📝 Enhancement Note: Working on-site in a dedicated office environment in Issy-les-Moulineaux offers a structured setting for deep collaboration and focus, particularly for complex design tasks and team integration. Proximity to other tech companies in the area may also foster a vibrant professional ecosystem.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Review of CV and portfolio to assess experience, skills, and alignment with role requirements.

• Technical Interview (Design Challenge/Case Study): A practical exercise or discussion of a past project to evaluate design process, problem-solving skills, and proficiency in tools/methodologies. This will likely focus on mobile UX/UI, Design Systems, and Agile collaboration.

• Team/Cultural Fit Interview: Discussion with potential colleagues and managers to assess collaboration style, communication skills, and alignment with CITECH and client team values. Expect questions about how you handle feedback and work in cross-functional teams.

• Final Interview: May involve a deeper dive into strategic thinking, career aspirations, and final offer discussion.

Portfolio Review Tips:

• Curate Selectively: Showcase 3-5 of your strongest, most relevant projects, focusing on mobile B2C applications.

• Tell a Story: For each project, clearly outline the problem, your role, the process you followed (discovery, research, ideation, design, testing, delivery), the challenges encountered, and the outcome/impact.

• Highlight Mobile Specifics: Emphasize your understanding of iOS and Android patterns, responsive design, and mobile-first thinking.

• Showcase Design System Work: Detail your contributions to or use of Design Systems, demonstrating consistency and scalability.

• Demonstrate Collaboration: Explain how you worked with Product Managers, Engineers, and other stakeholders.

• Quantify Impact: Use metrics where possible to show the success of your designs (e.g., improved conversion rates, user satisfaction scores).

• Professional English: Be prepared to present and discuss your portfolio in English.

Challenge Preparation:

• Practice articulating your design decisions and rationale clearly and concisely.

• Be ready to discuss your approach to common mobile design challenges and how you've leveraged user data and research.

• Prepare to discuss your experience with Agile methodologies and how you integrate design into development sprints.

• Familiarize yourself with current trends in mobile design, B2C applications, and AI in product design.

📝 Enhancement Note: The interview process will heavily rely on portfolio review. Candidates should prepare to walk through their projects, explaining their design thinking, problem-solving approach, and collaboration methods. The "Senior" aspect means interviewers will probe for strategic thinking and leadership potential, not just execution skills.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Figma, Sketch, Adobe XD, InVision (or similar industry-standard tools for creating mockups and high-fidelity prototypes).

• Design System Management: Tools for managing Design System components and guidelines (e.g., Zeroheight, Storybook, or internal systems).

• Collaboration: Jira, Confluence, Slack, Trello (for Agile project management and team communication).

Analytics & Reporting:

• User Analytics: Google Analytics, Mixpanel, Amplitude, Firebase Analytics (for understanding user behavior and app performance).

• A/B Testing Tools: Optimizely, VWO (for testing design variations).

CRM & Automation:

• While not directly a CRM role, understanding how user data from CRM or other customer data platforms influences product design can be beneficial.

• Familiarity with how design impacts user onboarding and retention funnels within a B2C context is key.

📝 Enhancement Note: Proficiency in design and prototyping tools like Figma is almost certainly a prerequisite. Experience with Design System tools and analytics platforms is highly valued for a senior role, as it indicates an ability to work with data-driven insights and scalable design practices.

👥 Team Culture & Values

Operations Values:

• Quality & Expertise: A commitment to delivering high-quality work and leveraging specialized knowledge.

• Autonomy & Proximity: Empowering individuals to take ownership while maintaining close collaboration with teams and stakeholders.

• Innovation & Concrete Solutions: A drive to find practical, effective solutions to user and business problems.

• Professional Development: Fostering continuous learning and skill enhancement for all consultants.

• Agile Mindset: Embracing flexibility, collaboration, and iterative improvement.

Collaboration Style:

• Cross-functional Integration: Working seamlessly within a multidisciplinary squad (Product, Tech, QA, UX Research).

• Design Community Engagement: Actively participating in and contributing to the structured design community for knowledge sharing and best practices.

• Stakeholder Communication: Effectively communicating design rationale and recommendations to diverse audiences, including technical and non-technical stakeholders.

• Feedback-driven Iteration: Openness to constructive feedback and a willingness to iterate on designs based on insights from user research and team input.

📝 Enhancement Note: CITECH's culture emphasizes both individual expertise and strong team integration. The "human-sized" approach suggests a supportive environment where designers are encouraged to grow and contribute meaningfully, balancing autonomy with collaborative effort.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs with Business Goals: Effectively translating complex user requirements and business objectives into a cohesive and intuitive mobile experience.

• Adapting to Evolving Technologies: Staying current with rapid changes in mobile OS features, design trends, and AI integration within products.

• Cross-Platform Consistency: Ensuring a seamless and high-quality user experience across both iOS and Android, respecting platform-specific conventions.

• Driving Design Adoption: Advocating for design best practices and ensuring the quality of UI implementation within an Agile development cycle.

Learning & Development Opportunities:

• Deep Dive into Mobile Design: Gaining extensive experience in designing for iOS and Android, including advanced UI patterns and platform-specific features.

• AI in Product Design: Exploring opportunities to work on features leveraging AI, understanding its application in user experience.

• Design System Evolution: Contributing to the growth and maintenance of a robust Design System, impacting product consistency at scale.

• Mentorship & Leadership: Developing leadership skills through mentoring junior designers and leading design initiatives.

• Industry Exposure: Potentially attending design conferences or workshops relevant to mobile and digital product design.

📝 Enhancement Note: This role offers a significant opportunity to specialize in mobile product design within a B2C context, a highly in-demand skill set. The exposure to AI and Design Systems provides avenues for developing cutting-edge design competencies.

💡 Interview Preparation

Strategy Questions:

• "Describe your process for taking a product idea from concept to a high-fidelity prototype for a mobile app."

• "How do you approach balancing user needs with business requirements when designing a new feature?"

• "Walk us through a challenging mobile design project where you had to adapt to specific iOS or Android constraints."

• "How do you ensure accessibility standards are met in your mobile designs?"

• "What is your experience with Design Systems, and how do you contribute to them?"

• "How do you collaborate with Product Managers and Developers in an Agile environment?" Company & Culture Questions:

• "What interests you about CITECH and this specific project?"

• "How do you stay updated on the latest trends in Product Design and mobile UX/UI?"

• "Describe a time you received constructive criticism on your design and how you responded."

• "How do you approach working with a multidisciplinary team?"

• "What are your thoughts on the role of AI in product design for B2C applications?" Portfolio Presentation Strategy:

• Structure: Begin with a brief overview of your career and design philosophy. Then, present 3-5 curated projects, dedicating 5-10 minutes per project.

• Narrative: For each project, clearly articulate the problem, your specific role and contributions, the research and design process, key decisions, challenges, and the final outcome with measurable impact.

• Visuals: Use high-quality visuals of mockups, flows, and prototypes. Interactive prototypes are a strong plus.

• English: Be prepared to present your entire portfolio and answer questions in English.

• Q&A: Anticipate questions about your design choices, problem-solving skills, and collaboration methods.

📝 Enhancement Note: Interviewers will be looking for a blend of strong design fundamentals, a clear understanding of the mobile product lifecycle, and excellent communication skills, especially in English. Demonstrating strategic thinking and the ability to integrate design within an Agile and collaborative framework will be key.

📌 Application Steps

To apply for this Product Designer position:

• Submit your application through the provided link on SmartRecruiters.

• Customize your CV: Highlight your experience in mobile product design, B2C applications, Agile environments, and any relevant tools or methodologies. Use keywords from the job description.

• Prepare your Portfolio: Ensure your portfolio is up-to-date, well-organized, and showcases your best mobile design projects with detailed case studies. Be ready to present it in English.

• Research CITECH: Understand their company mission, values, and approach to IT consulting. Familiarize yourself with their website and any public information about their projects.

• Practice Interview Questions: Prepare answers to common Product Design interview questions, focusing on your process, collaboration, and problem-solving skills, especially for mobile applications.

⚠️ 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.