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 discovery to delivery, ensuring alignment with product vision and roadmap.

• Drive user-centric design by translating product requirements and user data into intuitive and engaging user experiences for both iOS and Android platforms.

• Collaborate closely with multidisciplinary teams including Product Managers, Developers, QA, and UX Researchers within an Agile framework.

• Own and evolve the Design System, ensuring UI consistency, quality, and adherence to accessibility standards across all product interfaces.

• Actively participate in the Agile squad, contributing to sprint planning, design reviews, and implementation support to guarantee high-quality product delivery.

📝 Enhancement Note: This role is specifically focused on mobile product design within a B2C context, requiring a strong understanding of both iOS and Android design principles and a hands-on approach to the entire product development lifecycle. The emphasis on "Discovery" and "Delivery" indicates a need for strategic thinking and execution.

📈 Primary Responsibilities

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

• Challenge and refine product requirements, actively contributing to the definition and optimization of user journeys and application flows.

• Lead and manage the Discovery phase in collaboration with Product teams, utilizing user research and data insights to inform design decisions.

• Design user flows, wireframes, high-fidelity prototypes, and interfaces, ensuring optimal usability and aesthetic appeal.

• Adapt and optimize user experiences for the specific design guidelines and user expectations of both iOS and Android operating systems.

• Maintain and advance the company's Design System, ensuring consistency, scalability, and adherence to UI best practices and accessibility standards.

• Work closely with developers during the implementation phase to ensure accurate translation of designs into functional features.

• Participate in quality assurance (QA) phases to verify the final product aligns with design specifications and user expectations.

• Engage with various stakeholders to gather feedback, iterate on designs, and drive continuous improvement of the product experience.

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

📝 Enhancement Note: The responsibilities highlight a blend of strategic product thinking, hands-on design execution, and cross-functional collaboration, typical of a senior role in a product-centric organization. The explicit mention of "Discovery" and "Delivery" phases suggests involvement in both ideation and execution.

🎓 Skills & Qualifications

Education: Higher education degree (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 user-centered design principles.

• Proficiency in user research techniques and their application in design decision-making.

• Strong expertise in UX (User Experience) and UI (User Interface) design.

• In-depth knowledge of iOS and Android design guidelines and platform-specific user experience considerations.

• Proven ability to design user flows, wireframes, and high-fidelity prototypes.

• Experience with and understanding of Design Systems.

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

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

• Aptitude for subjects related to Artificial Intelligence (AI) and its application in product design.

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

• Familiarity with A/B testing and data-driven design iteration.

• Experience with accessibility best practices beyond basic compliance.

📝 Enhancement Note: The requirement for "Professional English" is critical for international collaboration and client presentations, common in consulting or global product organizations. The preference for AI aptitude indicates a forward-looking product strategy.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 3-5 significant product design projects, with a strong emphasis on mobile applications (iOS and Android).

• Demonstrate end-to-end product design experience, including discovery, user research, wireframing, prototyping, UI design, and post-launch iteration.

• Clearly articulate your role and contributions within each project, highlighting your problem-solving approach and design rationale.

• Include examples of how you have leveraged user data and research findings to inform design decisions and improve user experience.

• Present high-fidelity mockups and interactive prototypes that effectively communicate the user interface and interaction design. Process Documentation:

• Detail your process for conducting user research and translating insights into actionable design solutions.

• Illustrate your workflow for creating user flows, wireframes, and high-fidelity prototypes, specifying tools used.

• Explain your approach to collaborating with Product Managers, Developers, and QA teams throughout the product lifecycle.

• Document how you have utilized or contributed to a Design System, emphasizing consistency and scalability.

• Provide examples of how you have ensured UI quality, accessibility, and platform-specific optimization (iOS/Android).

📝 Enhancement Note: A strong portfolio is paramount for senior design roles, especially those emphasizing mobile and B2C products. Candidates should be prepared to discuss their design process, strategic thinking, and the impact of their work with specific metrics and case studies.

💵 Compensation & Benefits

Salary Range: Based on the location (Issy-les-Moulineaux, France), experience level (Senior, 4+ years), and the nature of the role within an IT consulting firm (ESN), a competitive salary range for a Senior Product Designer would likely fall between €50,000 and €70,000 gross annual salary. This range can fluctuate based on specific project demands, the client's budget, and the candidate's negotiation skills.

Benefits:

• Personalized career monitoring and support throughout your mission.

• Opportunities for professional development and skill enhancement.

• Clear career evolution perspectives and advancement opportunities.

• Exposure to challenging and stimulating technological environments.

• Opportunity to work on high-profile B2C digital products with significant user reach.

• Integration into a structured Design community for knowledge sharing and best practices.

Working Hours: Full-time employment with a standard workweek, likely around 35-40 hours, aligned with French labor laws and industry practices. While on-site, flexibility may be offered based on project needs and team agreements.

📝 Enhancement Note: The salary estimate is based on typical French market rates for senior design professionals in major urban areas, adjusted for the IT consulting sector. The benefits listed are directly extracted from the provided text, emphasizing career growth and professional development, which are key selling points for consulting firms like CITECH.

🎯 Team & Company Context

🏢 Company Culture

Industry: IT Consulting (ESN - Entreprise de Services du Numérique) and Digital Services, specializing in IT and Digital professions.

Company Size: Described as "à taille humaine" (human-sized), suggesting a smaller to medium-sized enterprise (SME) with a focus on personalized relationships and employee support. This contrasts with very large corporations, implying a more agile and potentially less bureaucratic environment.

Founded: Not specified, but the emphasis on "quality of missions" and "personalized support" suggests a company that has established itself by focusing on client and consultant satisfaction.

Team Structure:

• The role is part of a multidisciplinary "squad" operating in an Agile environment, typically comprising Product Managers, Developers, QA testers, and UX Researchers, in addition to the Product Designer.

• The designer will also be part of a structured "Design community," indicating opportunities for peer-to-peer learning, sharing best practices, and maintaining design standards across different projects.

• CITECH itself is an ESN, meaning consultants are placed on client projects, so the immediate team structure will be client-dependent, but the overarching support and community come from CITECH. Methodology:

• The company emphasizes Agile methodologies for project execution, promoting collaboration, flexibility, and iterative development.

• There's a strong focus on innovation and finding concrete solutions, suggesting a proactive and results-oriented approach to problem-solving.

• The company prides itself on proximity to operational teams and expertise, implying a hands-on and collaborative work style.

Company Website: citechglobal.com

📝 Enhancement Note: The "human-sized" descriptor for CITECH suggests a company culture that values individual contribution and close relationships, which can be appealing to professionals seeking more than just a project placement. The integration into client squads and a separate design community offers a dual support system.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior Product Designer role, positioned as a key contributor within multidisciplinary Agile squads. The seniority is reflected in the expectation to lead the design process from discovery through delivery, challenge needs, and mentor others implicitly through their expertise. It's a hands-on design role with strategic influence on product direction.

Reporting Structure: The designer will report to a Product Manager or a Design Lead within the client's squad for day-to-day project work. For career development and HR matters, they will likely have a dedicated point of contact at CITECH (e.g., a consultant manager or HR representative). The existence of a structured "Design community" suggests a reporting line or strong connection to design leadership within CITECH as well.

Operations Impact: The Product Designer's impact is directly tied to the success of the B2C mobile application. By creating intuitive, engaging, and high-quality user experiences, they will influence user adoption, retention, satisfaction, and ultimately, the business objectives of the client, such as increased engagement, conversions, or revenue. Their work on the Design System also impacts the efficiency and consistency of future development efforts.

Growth Opportunities:

• Specialization: Deepen expertise in mobile product design, focusing on specific platforms (iOS/Android), emerging technologies like AI, or specific product domains (e.g., e-commerce).

• Leadership: Transition into a Lead Product Designer or Design Manager role, overseeing design teams, mentoring junior designers, and shaping design strategy at a higher level.

• Strategic Influence: Gain more influence in product strategy and roadmap planning, moving beyond execution to contribute more significantly to defining what gets built.

• Cross-functional Skill Development: Enhance skills in UX research, product management collaboration, and Agile methodologies through continuous project engagement.

• Consulting Expertise: Develop strong client management and stakeholder communication skills, becoming a trusted advisor for design matters.

📝 Enhancement Note: The growth opportunities highlight a path from senior individual contributor to leadership, with options for specialization or broader strategic involvement, typical for ambitious design professionals in consulting or product-driven companies.

🌐 Work Environment

Office Type: The role is described as "On-site," indicating a traditional office-based work arrangement. Given that CITECH is an ESN, the "office" will likely be the client's premises where the squad is based. This environment is typically collaborative, with dedicated workspaces for project teams.

Office Location(s): The primary location is Issy-les-Moulineaux, a significant business hub in the western suburbs of Paris, France. This area is well-connected and hosts numerous corporate offices, offering a dynamic professional environment.

Workspace Context:

• Collaborative Environment: Expect to work within a multidisciplinary Agile squad, fostering close collaboration, daily stand-ups, and shared problem-solving sessions.

• Operations Tools & Technology: Access to standard design tools (e.g., Figma, Sketch, Adobe Creative Suite), prototyping software, and potentially project management tools (Jira, Confluence). The specific tech stack will be client-dependent but will include mobile development environments (iOS, Android) and a Design System.

• Team Interaction: Frequent interaction with Product Managers, Developers, QA, UX Researchers, and potentially other designers from CITECH's community. This fosters a rich exchange of ideas and perspectives.

Work Schedule: Standard full-time working hours (likely 35-40 hours per week) are expected. While the role is on-site, flexibility might be available based on client and team agreements, but core hours will likely be dictated by the client's operational needs and Agile ceremonies.

📝 Enhancement Note: The on-site nature of the role means the candidate should be comfortable with a traditional office setting and commuting to Issy-les-Moulineaux. The collaborative aspect is strongly emphasized, suggesting an environment where teamwork and open communication are vital.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A preliminary call with a CITECH recruiter to assess general fit, experience, and salary expectations.

• Technical Interview: A discussion focusing on Product Design principles, mobile UX/UI, Agile methodologies, and your experience with Design Systems. This may involve a portfolio review.

• Portfolio Presentation & Case Study: A more in-depth session where you present your portfolio, walk through key projects, explain your design process, and potentially tackle a hypothetical design challenge or discuss a past one in detail.

• Client Interview: An interview with the client's hiring team (Product Manager, Engineering Lead, etc.) to assess cultural fit, team collaboration potential, and specific project alignment.

• Final Round: May involve a discussion with senior management or a final confirmation call.

Portfolio Review Tips:

• Curate Selectively: Choose 3-5 of your strongest mobile B2C projects that best showcase your end-to-end design process and impact.

• Tell a Story: For each project, clearly articulate the problem, your role, the constraints, your design process (research, ideation, prototyping, testing), your solutions, and the measurable outcomes. Use visuals effectively.

• Highlight Mobile Specifics: Emphasize your understanding of iOS and Android guidelines and how you adapted designs for each platform. Show your work with Design Systems.

• Demonstrate Collaboration: Explain how you worked with cross-functional teams (PMs, Devs, QA) and stakeholders.

• Be Ready for Challenges: Prepare to discuss how you handled design trade-offs, feedback, or challenging project requirements.

Challenge Preparation:

• Understand the Context: If a design challenge is provided, ensure you fully grasp the B2C mobile application context, target users, and business goals.

• Structure Your Approach: Outline your process clearly: define the problem, user research (even hypothetical), ideation, sketching/wireframing, prototyping, and testing/validation.

• Focus on Rationale: Explain why you made certain design decisions, linking them back to user needs, business objectives, and design principles.

• Present Clearly: Practice presenting your solution concisely and effectively within the given timeframe, using mockups or prototypes to illustrate your ideas.

📝 Enhancement Note: A strong portfolio is crucial for this role. Candidates should be prepared to present detailed case studies that demonstrate not just aesthetic skills but also strategic thinking, problem-solving abilities, and a deep understanding of the mobile product design lifecycle.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Figma (highly probable given industry trends), Sketch, Adobe Creative Suite (Illustrator, Photoshop).

• Prototyping Tools: InVision, Marvel, ProtoPie (in addition to Figma/Sketch's native capabilities).

• Collaboration & Workflow: Jira, Confluence, Slack, Trello.

Analytics & Reporting:

• User Analytics: Tools like Mixpanel, Amplitude, Google Analytics for Mobile Apps to track user behavior and product performance.

• A/B Testing Tools: Optimizely, VWO, or similar platforms for experimental design validation.

• Data Visualization: Tableau, Power BI (less common for designers but potentially used by PMs/analysts they collaborate with).

CRM & Automation:

• While not direct design tools, familiarity with how CRM data (e.g., Salesforce) or marketing automation platforms might influence user journeys or personalization within the app could be beneficial.

• Design System Management: Tools or platforms specifically for managing and distributing design system components.

📝 Enhancement Note: Proficiency in modern design and prototyping tools like Figma is almost certainly expected. Experience with user analytics platforms is a strong plus, as it enables data-driven design iterations. Understanding how design impacts business metrics is key.

👥 Team Culture & Values

Operations Values:

• Quality & Expertise: A commitment to delivering high-quality design work and maintaining deep expertise in Product Design and mobile UX/UI.

• Innovation & Solutions: A drive to find concrete, innovative solutions to user and business challenges.

• Collaboration & Proximity: Valuing close working relationships with colleagues, clients, and operational teams to foster effective teamwork and understanding.

• Personalization & Support: As a "human-sized" company, CITECH likely emphasizes individualized support and development for its consultants.

• Data-Driven Approach: Utilizing user research and analytics to inform design decisions and measure impact.

Collaboration Style:

• Cross-functional Integration: Seamless collaboration within multidisciplinary Agile squads, involving open communication and shared responsibility for product outcomes.

• Process Review Culture: An environment that encourages constructive feedback and iterative improvement of both the product and the design process.

• Knowledge Sharing: Active participation in the structured Design community to share insights, best practices, and learn from peers. Emphasis on learning from different projects and client environments.

📝 Enhancement Note: The company culture appears to balance the structured, project-focused nature of consulting with a supportive, "human-sized" approach to employee development. The emphasis on collaboration and innovation is critical for success in Agile environments.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Stakeholder Needs: Navigating potentially conflicting requirements from Product, Engineering, Marketing, and Business stakeholders to arrive at optimal design solutions.

• Platform Specificity: Consistently designing for the distinct nuances and user expectations of both iOS and Android platforms, ensuring a native feel for each.

• Design System Evolution: Keeping the Design System up-to-date, scalable, and adopted across the product while accommodating new features and evolving design trends.

• Data Interpretation: Effectively translating complex user data and research findings into clear, actionable design improvements.

• Remote vs. On-site Dynamics: Adapting to client-specific work environments and collaboration styles, especially if transitioning between different client projects.

Learning & Development Opportunities:

• Advanced Mobile Design: Deep dive into cutting-edge mobile UX patterns, accessibility standards, and platform-specific innovations.

• AI in Design: Explore how AI tools and concepts can be integrated into product design workflows or enhance user experiences within the application.

• Product Strategy & Roadmapping: Gain exposure to higher-level product strategy discussions and roadmap planning.

• Leadership Skills: Develop mentoring, team management, and project leadership capabilities through project experience and CITECH's development programs.

• Industry Events & Training: Potential for CITECH to sponsor participation in relevant design conferences, workshops, or certifications.

📝 Enhancement Note: The challenges are typical for senior designers working on complex mobile products. The growth opportunities are aligned with advancing design expertise, strategic influence, and leadership potential within both client projects and the broader CITECH organization.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to translate a complex product vision into a user-friendly mobile experience. What was your process, and what were the key outcomes?" (Focus on your Discovery and strategy translation skills).

• "How do you approach designing for both iOS and Android simultaneously? Can you provide an example of a challenge and how you resolved it?" (Focus on platform expertise and trade-offs).

• "Walk us through your experience with Design Systems. How have you contributed to or utilized one, and what are the benefits and challenges?" (Focus on your understanding of scalability and consistency).

• "How do you incorporate user research and data into your design process, especially when dealing with ambiguity or limited data?" (Focus on your data-driven approach). Company & Culture Questions:

• "What interests you about CITECH as a company, and why are you seeking an on-site role in Issy-les-Moulineaux?" (Assess your understanding of consulting and work preferences).

• "How do you thrive in an Agile, multidisciplinary team environment? Describe your ideal collaboration with Product Managers and Developers." (Assess your teamwork and Agile fit).

• "What are your thoughts on the 'human-sized' approach to consulting, and how does that align with your career goals?" (Assess cultural alignment with CITECH). Portfolio Presentation Strategy:

• Structure Your Narrative: Begin with an overview of your career and design philosophy. Then, dive into 2-3 key projects. For each, clearly define the problem, your specific role and responsibilities, your design process (ideation, prototyping, testing), your solutions (show mockups/prototypes), and the impact/results.

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

• Highlight Mobile & B2C Focus: Ensure your chosen projects strongly reflect your experience with mobile applications (iOS/Android) and B2C contexts.

• Prepare for Q&A: Anticipate questions about your design choices, challenges faced, how you handled feedback, and your understanding of the client's business.

📝 Enhancement Note: Interview preparation should focus on demonstrating strategic thinking, hands-on design skills specific to mobile, and strong collaborative abilities within an Agile framework. The portfolio is the central piece, so practicing its presentation and anticipating questions is key.

📌 Application Steps

To apply for this Product Designer position:

• Submit your application through the provided link on SmartRecruiters.

• Customize your Resume: Tailor your CV to highlight your 4+ years of experience in Product Design, specifically mentioning B2C mobile applications, iOS/Android expertise, Design Systems, and Agile methodologies. Use keywords from the job description.

• Prepare Your Portfolio: Ensure your online portfolio is up-to-date, showcases your best mobile B2C projects, and clearly articulates your design process and impact. Include examples of high-fidelity mockups and prototypes.

• Practice Your Pitch: Rehearse presenting your portfolio and your approach to design challenges. Be ready to discuss your experience with user research, UX/UI, and cross-functional collaboration.

• Research CITECH: Understand their business model as an ESN, their focus on "human-sized" support, and their commitment to innovation and quality. This will help tailor your responses to their culture.

⚠️ 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.