Product Designer Mobile Senior (H/F) at CITECH

📍 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.
Collaborate closely with cross-functional teams including Product, Tech, QA, and UX Research to translate product vision and roadmap priorities into exceptional user experiences.
Drive the discovery phase by challenging needs, defining user journeys, and leveraging user data and research to inform design decisions.
Craft high-fidelity mockups, prototypes, and interfaces, ensuring optimal user experience across both iOS and Android platforms.
Actively contribute to and evolve the company's Design System, ensuring UI consistency, quality, and adherence to accessibility standards.

📝 Enhancement Note: This role is specifically focused on mobile application design, emphasizing the need for expertise in both iOS and Android platform specifics. The "Senior" designation implies a leadership or strong individual contributor role within the design process, requiring not just execution but also strategic input and the ability to mentor or guide less experienced designers. The B2C context suggests a focus on user engagement, conversion, and retention metrics within the product design strategy.

📈 Primary Responsibilities

Translate product vision and roadmap objectives into compelling and user-centric mobile application experiences.
Actively participate in and lead the discovery phase, questioning requirements and contributing to the definition of intuitive user flows.
Utilize user research findings and data analytics to guide design decisions and validate hypotheses.
Design detailed user journeys, wireframes, high-fidelity mockups, and interactive prototypes for mobile applications.
Adapt and optimize designs to meet the specific guidelines and user expectations of both iOS and Android operating systems.
Ensure high UI quality and integrate accessibility best practices into all design outputs.
Leverage and contribute to the evolution of the established Design System to maintain consistency and efficiency.
Collaborate effectively with development teams during the implementation phase to ensure accurate design translation.
Participate in quality assurance and user acceptance testing to guarantee the fidelity and functionality of the delivered product.
Engage with various stakeholders to gather feedback and iterate on designs, driving continuous product improvement.
Conduct ongoing research on Product Design best practices and mobile design trends to bring innovative solutions to the team.

📝 Enhancement Note: The responsibilities highlight a full-cycle product design role, from conceptualization (Discovery) to final implementation support (Delivery). The emphasis on "challenging needs" and "contributing to the definition" indicates a proactive and strategic approach expected from a senior designer, not just an executor. The mention of "IA" (Artificial Intelligence) as an asset suggests potential involvement in AI-driven features or design considerations.

🎓 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, ideally within a B2C consumer/e-commerce environment.

Required Skills:

Proficiency in Product Design methodologies.
Strong expertise in user research and analysis.
Skilled in UX and UI design principles and best practices.
In-depth knowledge of iOS and Android design guidelines and platform-specific considerations.
Proven ability to design user flows and create interactive prototypes.
Experience working with and contributing to Design Systems.
Familiarity with Agile development methodologies.
Excellent communication and presentation skills, with professional proficiency in English.
Ability to work effectively in cross-functional teams (Product, Tech, Design, QA).
Strong organizational skills and attention to detail. Preferred Skills:
Aptitude for and experience with AI-related design challenges.
Experience with e-commerce platforms and their specific UX/UI requirements.
Familiarity with accessibility standards and implementation.
Experience in Discovery and Delivery phases of product development.
Skills in creating high-fidelity mockups.

📝 Enhancement Note: The requirement for a "Grande École" or equivalent suggests a preference for candidates with strong analytical and problem-solving foundations, common in French engineering and business education. The 4-year minimum experience, combined with the B2C/e-commerce focus, indicates the need for practical experience in user-facing digital products with a strong emphasis on conversion and engagement. Professional English is a key requirement, pointing to an international or multilingual project context.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

Showcase end-to-end product design projects for mobile applications, demonstrating your involvement from concept to completion.
Highlight case studies that illustrate your problem-solving approach, user-centric design thinking, and ability to translate business needs into effective user experiences.
Include examples of user flows, wireframes, interactive prototypes, and high-fidelity mockups tailored for iOS and Android.
Demonstrate experience with Design Systems, including how you've utilized or contributed to them, and how they ensure consistency and scalability.
Provide evidence of user research and how insights were integrated into the design process and outcomes. Process Documentation:
Detail your design process, emphasizing how you conduct user research, ideate solutions, prototype, test, and iterate.
Explain how you collaborate with cross-functional teams (Product Managers, Engineers, QA) throughout the product development lifecycle.
Illustrate your approach to translating product requirements and roadmap items into tangible design deliverables.
Showcase your understanding of the Agile methodology and how your design process integrates seamlessly with sprint cycles.

📝 Enhancement Note: For a senior product designer role, the portfolio is crucial. It should not just present final designs but also the strategic thinking, user research, and iterative process behind them. Demonstrating experience with Design Systems and platform-specific (iOS/Android) adaptations will be key differentiators. The requirement for high-fidelity mockups and prototypes indicates a need for strong visual and interaction design skills.

💵 Compensation & Benefits

Salary Range: €45,000 - €60,000 per year (for full-time employment).

Freelance Rate: €400 - €480 per day.

Benefits:

Personalized career follow-up and support throughout your mission.
Opportunities for professional development and skill enhancement.
Exposure to an international work environment.
Work on a high-impact B2C digital product with significant user exposure.
Focused work on a specific mobile application.
Integration into a structured Design Community.

Working Hours: Standard full-time working hours, likely around 35-40 hours per week, with potential for flexibility depending on project needs and team agreements within the Agile framework.

📝 Enhancement Note: The salary range provided is an estimate for a Senior Product Designer in the Île-de-France region, based on industry benchmarks for similar roles and experience levels. This range considers the cost of living in the Paris metropolitan area and the specialized nature of mobile product design. The inclusion of both full-time and freelance rates suggests flexibility in employment arrangements. The listed benefits focus on career growth and international exposure, aligning with CITECH's company description.

🎯 Team & Company Context

🏢 Company Culture

Industry: Information Technology and Services (ESN - Entreprise de Services du Numérique), Digital Consulting. CITECH specializes in IT and digital professions, acting as a consulting firm that places its experts on strategic projects.

Company Size: Small to Medium-sized Enterprise (SME), described as "à taille humaine" (human-sized). This implies a close-knit environment where individual contributions are highly visible.

Founded: Not explicitly stated, but the company's focus on modern IT and digital solutions suggests a relatively established presence in the tech consulting sector.

Team Structure:

The role is within a multidisciplinary "squad" operating in an Agile environment, composed of Product, Tech, QA, and UX Research specialists.
The designer will also be part of a structured "Design Community," suggesting opportunities for peer learning, knowledge sharing, and standardization of design practices across different projects.
Reporting likely falls within a project-based structure, with oversight from a project lead or CITECH's internal consultant manager. Methodology:
The team operates using Agile methodologies, emphasizing iterative development and close collaboration.
A strong focus on Product Design, UX Research, and UI Design, integrated with technical development (iOS/Android).
Emphasis on leveraging data and user insights to drive design decisions.
Use and evolution of a Design System for consistency and efficiency.

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

📝 Enhancement Note: CITECH's positioning as a "human-sized" ESN suggests a company culture that values personal relationships, tailored career support, and high visibility for its consultants. The focus on strategic IT and digital projects indicates that clients are likely seeking expertise in cutting-edge technologies and digital transformation. The existence of a "Design Community" is a significant positive for designers, offering a support network and professional growth opportunities beyond individual project assignments.

📈 Career & Growth Analysis

Operations Career Level: Senior Product Designer. This level signifies a seasoned professional expected to take ownership of significant design challenges, mentor junior team members, and contribute to design strategy. The role requires a deep understanding of mobile UX/UI principles, platform specifics, and the ability to navigate complex product development cycles.

Reporting Structure: While working within a client's multidisciplinary squad (Product, Tech, QA, UX Research), the designer will likely have a dual reporting line: project-wise to a Product Manager or Squad Lead at the client, and administratively to CITECH's internal management for career development and mission oversight.

Operations Impact: The Product Designer's impact is direct and critical to the success of the B2C mobile application. By translating product vision into intuitive and engaging user experiences, they directly influence user adoption, retention, satisfaction, and ultimately, the business objectives of the application (e.g., conversions, engagement metrics). Their work is central to creating a competitive digital product.

Growth Opportunities:

Skill Specialization: Deepen expertise in mobile-first design, platform-specific design (iOS/Android), or emerging areas like AI-driven design.
Leadership Development: Progress to Lead Product Designer roles, taking on more strategic oversight, team management, and client-facing responsibilities.
Cross-functional Mastery: Enhance understanding of product management, agile development, and technical constraints through close collaboration.
Design System Evolution: Play a key role in shaping and expanding the Design System, a highly valuable skill.
Consulting Acumen: Develop client management and communication skills by representing CITECH and its design expertise on client projects.

📝 Enhancement Note: The "Senior" designation in a consulting context like CITECH often implies not just technical skill but also the ability to act as a trusted advisor to clients and a mentor to other consultants. Growth opportunities are likely tied to successfully delivering on client projects and demonstrating leadership potential within both client teams and CITECH's internal communities.

🌐 Work Environment

Office Type: The role is described as "On-site" within Issy-les-Moulineaux, implying a physical office environment at the client's premises or a dedicated CITECH office space used for client projects.

Office Location(s): Issy-les-Moulineaux, a well-connected business district in the western suburbs of Paris, France. This location is known for hosting numerous corporate headquarters and tech companies.

Workspace Context:

Collaborative Environment: The role emphasizes close collaboration within a multidisciplinary Agile squad (Product, Tech, QA, UX Research), suggesting an open and interactive workspace.
Tools & Technology: Access to industry-standard design tools (e.g., Figma, Sketch, Adobe Creative Suite) and potentially client-specific project management and communication platforms. The use of a Design System is a core component.
Team Interaction: Regular interaction with product managers, developers, QA testers, and fellow designers within the CITECH Design Community. This fosters a dynamic and knowledge-rich environment.

Work Schedule: The role is full-time ("Temps complet"), typically aligning with standard business hours in France (e.g., 9 AM to 5 PM or 9 AM to 6 PM), with an expectation of approximately 40 hours per week. Agile methodologies may allow for some flexibility in daily schedules, but on-site presence is required.

📝 Enhancement Note: As an on-site role with a consulting firm, the work environment will be heavily influenced by the client's office culture and operational norms. However, CITECH's emphasis on "human-sized" support and a "Design Community" suggests that consultants will still feel connected to their CITECH colleagues and receive dedicated support. The location in Issy-les-Moulineaux offers access to a vibrant business hub.

📄 Application & Portfolio Review Process

Interview Process:

Initial Screening: A review of your CV and portfolio to assess qualifications and relevant experience.
Technical Interview: Discussion focused on your product design process, mobile design expertise (iOS/Android), Design System experience, and problem-solving skills. This may involve a portfolio walkthrough.
Case Study/Challenge (Potential): You might be asked to complete a design challenge or present a case study from your portfolio, demonstrating your approach to a specific problem.
Cultural Fit / Team Interview: Meeting with CITECH representatives and potentially members of the design community or hiring manager to assess alignment with company values and team dynamics.
Final Offer: Based on the successful completion of all preceding stages.

Portfolio Review Tips:

Curate Selectively: Showcase 2-3 of your strongest mobile product design projects that best represent your skills and experience relevant to B2C applications.
Tell a Story: For each project, clearly articulate the problem, your role, the process you followed (research, ideation, prototyping, testing), the solutions you designed, and the impact/outcomes. Use visuals effectively.
Highlight Mobile Specifics: Clearly demonstrate your understanding of iOS and Android design principles, platform conventions, and how you've adapted designs for each.
Showcase Design System Work: If you've contributed to or extensively used a Design System, explain how and why.
Quantify Impact: Wherever possible, use metrics to demonstrate the success of your designs (e.g., improved conversion rates, user satisfaction scores, reduced task completion times).

Challenge Preparation:

Understand the Brief: Thoroughly read and understand any design challenge or case study prompt. Ask clarifying questions if needed.
Prioritize: Focus on the core aspects of the challenge. For a senior role, demonstrating strategic thinking and a well-reasoned process is often more important than pixel-perfect execution within a limited timeframe.
Structure Your Presentation: Clearly outline your approach, key decisions, and rationale. Use visuals to support your points.
Be Ready to Justify: Be prepared to explain why you made certain design choices and how they align with user needs and business goals.

📝 Enhancement Note: The interview process will likely focus heavily on practical application of design skills, especially for mobile. Candidates should be prepared to discuss their experience with Design Systems in detail, as this is a key requirement. The emphasis on "Discovery" and "Delivery" suggests the company values designers who can contribute across the entire product lifecycle.

🛠 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. Figma is often preferred for collaborative workflows.
Design Systems: Experience with tools and methodologies for creating, managing, and utilizing Design Systems.
Collaboration Tools: Familiarity with tools like Jira, Confluence, Slack, or Microsoft Teams for project management and team communication.

Analytics & Reporting:

While not a primary responsibility, familiarity with analytics platforms (e.g., Google Analytics, Mixpanel, Amplitude) to understand user behavior and measure design impact is beneficial. CRM & Automation:
Not directly applicable to this Product Designer role, but an understanding of how design impacts user journeys within CRM or marketing automation platforms could be a plus.

📝 Enhancement Note: The explicit mention of "Design System" and specific platforms like "iOS" and "Android" indicates that expertise in these areas is paramount. While the job description doesn't list specific design software, candidates should be prepared to discuss their proficiency with leading tools like Figma, which is increasingly becoming the industry standard for collaborative UI/UX design.

👥 Team Culture & Values

Operations Values:

Quality & Excellence: A commitment to delivering high-quality, user-centric designs that meet business objectives.
Collaboration & Teamwork: Working effectively within multidisciplinary squads and the broader Design Community.
Innovation & Continuous Learning: Staying abreast of the latest trends in product design, mobile technology, and AI.
User-Centricity: Placing the user at the heart of all design decisions, driven by research and data.
Efficiency & Optimization: Utilizing tools like Design Systems to streamline workflows and ensure consistency.

Collaboration Style:

Agile & Iterative: Working in short cycles, with frequent feedback loops and adjustments.
Cross-functional Integration: Seamlessly integrating with Product, Tech, QA, and UX Research teams to achieve shared goals.
Open Communication: Encouraging transparent communication, constructive feedback, and knowledge sharing within the squad and the Design Community.
Proactive Engagement: Actively participating in discussions, challenging ideas constructively, and contributing to strategic product decisions.

📝 Enhancement Note: CITECH's emphasis on a "human-sized" approach and "personalized follow-up" suggests a culture that values individual growth and strong professional relationships. The "Design Community" further reinforces a culture of shared learning and support among designers. The Agile environment implies a fast-paced, collaborative, and iterative approach to work.

⚡ Challenges & Growth Opportunities

Challenges:

Balancing User Needs with Business Goals: Effectively translating complex business requirements and roadmap priorities into user-friendly mobile experiences.
Platform Specificity: Ensuring optimal and consistent user experiences across distinct iOS and Android ecosystems.
Design System Evolution: Contributing to and maintaining a Design System that scales with product growth and evolving needs.
Cross-functional Alignment: Navigating differing perspectives and priorities among Product, Tech, and Business stakeholders.
Staying Current: Keeping pace with rapid advancements in mobile technology, design trends, and AI applications.

Learning & Development Opportunities:

Deep Dive into Mobile Design: Gaining extensive experience with the nuances of iOS and Android design patterns and best practices.
Design System Mastery: Becoming an expert in the architecture, governance, and application of Design Systems.
AI in Design: Exploring the integration of AI into product features and design processes.
Agile Product Development: Refining skills in Agile methodologies and cross-functional collaboration.
Consulting & Client Engagement: Developing valuable client-facing skills and strategic advisory capabilities.
Networking: Connecting with a diverse range of professionals within CITECH's Design Community and client organizations.

📝 Enhancement Note: The challenges presented are typical for senior product designers working on complex B2C mobile products. The growth opportunities are significant, particularly in specializing in mobile-first design and Design Systems, areas that are highly in demand. The consulting aspect offers unique growth in client interaction and strategic influence.

💡 Interview Preparation

Strategy Questions:

"Describe your process for designing a new feature for a B2C mobile app, from initial concept to handoff." (Focus on user research, ideation, prototyping, testing, and collaboration.)
"How do you approach designing for both iOS and Android, ensuring a consistent yet platform-specific user experience?" (Discuss guidelines, native patterns, and your decision-making process.)
"Tell me about a time you had to challenge a product requirement or stakeholder request. How did you approach it, and what was the outcome?" (Highlight communication, negotiation, and user advocacy skills.)
"How do you utilize a Design System in your workflow, and what are its key benefits and potential drawbacks?" (Demonstrate practical experience and understanding of Design System principles.) Company & Culture Questions:
"What interests you about CITECH and this specific role?" (Research CITECH's mission, values, and the project details.)
"How do you approach collaboration within a multidisciplinary Agile team?" (Emphasize communication, empathy, and shared ownership.)
"Describe your ideal work environment and how you contribute to a positive team culture." (Align with CITECH's human-sized and collaborative ethos.)
"How do you stay updated on the latest trends in product design and mobile technology?" (Showcase continuous learning and passion.) Portfolio Presentation Strategy:
Structure: Begin with an overview of the project, its goals, and your specific role. Then, walk through your process, highlighting key decisions and challenges.
Visuals: Use high-quality mockups, prototypes, and flow diagrams. Annotate key screens to explain design choices.
Storytelling: Frame each project as a narrative – the problem, your solution, and the impact.
Be Concise: Focus on the most relevant aspects and be mindful of time. Be prepared to dive deeper into specific areas if asked.
Quantify: Whenever possible, present metrics that demonstrate the success of your designs.

📝 Enhancement Note: Interview preparation should strongly focus on the specifics of mobile design for B2C applications and the candidate's experience with Design Systems. Candidates should be ready to articulate their design process clearly and defend their design decisions with user-centric reasoning and data. Understanding CITECH's role as a consulting firm is also important for framing responses.

📌 Application Steps

To apply for this Product Designer Mobile Senior position:

Submit your application through the provided link on jobs.smartrecruiters.com.
Tailor your Resume: Highlight your 4+ years of experience in Product Design, specifically focusing on mobile applications (iOS/Android), B2C/e-commerce projects, and your contributions to Design Systems. Quantify achievements where possible.
Prepare Your Portfolio: Curate 2-3 strong mobile design case studies. Ensure they clearly demonstrate your end-to-end process, problem-solving skills, UI/UX expertise, and platform-specific considerations. Make sure it's easily accessible (e.g., link to a personal website or a well-organized PDF).
Research CITECH: Understand their business model as an ESN, their focus on IT and digital projects, and their "human-sized" approach. This will help you tailor your cover letter and interview responses.
Practice Your Pitch: Be ready to succinctly present your background, key skills, and why you are a strong fit for this senior mobile product design role during initial interviews.

⚠️ 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.

Product Designer Mobile Senior (H/F)