Product Designer F/H - [CDI]

📍 Job Overview

Job Title: Product Designer F/H - CDI

Company: Lunii

Location: 86 Rue Notre Dame de Nazareth, Paris, 75003, France

Job Type: FULL_TIME

Category: Product Design / UX/UI Design

Date Posted: June 04, 2026

Experience Level: Mid-Level (3-5 years)

Remote Status: Hybrid

🚀 Role Summary

• Design, conceive, and evolve intuitive and engaging digital experiences across Lunii's entire digital ecosystem, including website, mobile applications, and internal tools.

• Drive user research initiatives, translating qualitative and quantitative insights into actionable design recommendations and product improvements.

• Develop wireframes, prototypes, and high-fidelity mockups, ensuring consistency with Lunii's brand identity and user experience standards.

• Collaborate closely with Product Managers, Tech, and Data teams throughout the product development lifecycle, from discovery to implementation and performance tracking.

• Contribute to the growth and maintenance of Lunii's Design System, ensuring its coherence and evolution.

📝 Enhancement Note: This role is positioned as a mid-level Product Designer, requiring a blend of user-centric design thinking, strong UI/visual design skills, and collaborative execution. The emphasis on "Impact Team" suggests a project-oriented, agile environment. The mention of "CPO" as the direct report indicates a strategic design role with significant influence on product direction.

📈 Primary Responsibilities

• Engage in the discovery phase to thoroughly understand user and business challenges, identifying opportunities and contributing to solution definition.

• Conduct comprehensive user research, including interviews, usability testing, and qualitative/quantitative analysis, to inform design decisions.

• Craft user journeys and interfaces for web and mobile platforms that are intuitive, coherent, and aligned with Lunii's brand universe.

• Explore multiple design concepts and critically evaluate proposed solutions in collaboration with Product, Tech, and Data teams.

• Produce high-quality wireframes, prototypes, and high-fidelity mockups that clearly communicate design intent.

• Maintain and enhance Lunii's Design System, ensuring its consistency and scalability across all digital touchpoints.

• Work closely with developers to ensure the technical feasibility and quality of implemented designs.

• Define and monitor key performance indicators (KPIs) for designed experiences in partnership with Product Managers and Data teams.

• Foster a company-wide design culture by sharing expertise, advocating for user-centricity, and promoting best practices.

📝 Enhancement Note: The responsibilities highlight a full-cycle product design process, from initial research and ideation to implementation oversight and performance analysis. The emphasis on collaboration with Product, Tech, and Data teams is crucial for a GTM-aligned operations role.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's degree in Design, Human-Computer Interaction, or a related field is typically expected for this level of product design role.

Experience: Minimum of 3 years of experience as a Product Designer, with a strong preference for experience in BtoC, e-commerce, or SaaS environments. Demonstrated understanding of web and mobile design constraints is essential.

Required Skills:

• Proficiency in the end-to-end design cycle, from understanding user needs to validating solutions.

• Strong understanding and application of user research methodologies (interviews, testing, qualitative/quantitative analysis).

• Expertise in creating wireframes, prototypes, and high-fidelity mockups.

• Experience working within and evolving a structured Design System.

• Proven ability to collaborate effectively with development teams, understanding technical constraints.

• Excellent UI and visual design skills with a keen eye for detail and intuitive user experiences.

• Strong analytical and problem-solving abilities, with a pragmatic approach to design challenges.

• Proficiency in Figma. Preferred Skills:

• Experience with research and collaboration tools such as Notion, Dovetail, Miro, or equivalents.

• Familiarity with Rive or other motion design tools.

• Understanding of AI tools and their application in design practices and user experiences.

• Experience in BtoC, e-commerce, or SaaS product environments.

📝 Enhancement Note: The requirements emphasize practical experience and tool proficiency over formal education. The preference for BtoC, e-commerce, or SaaS backgrounds is key, indicating the need for experience with consumer-facing digital products and business models.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of two end-to-end product design case studies, demonstrating your involvement from discovery through to launched product.

• Highlight your process for user research, including methodologies used, insights gained, and how these informed design decisions.

• Present wireframes, prototypes, and high-fidelity mockups, clearly articulating design choices and problem-solving approaches.

• Include examples of how you have contributed to or evolved a Design System, showcasing its impact on consistency and efficiency.

• Demonstrate collaboration with development teams and how you ensured quality implementation.

• Quantify the impact of your designs where possible, using metrics related to user engagement, conversion, or retention. Process Documentation:

• Detail your approach to user interviews and usability testing, including participant recruitment and data synthesis.

• Illustrate your workflow for creating and iterating on wireframes and prototypes, including the tools used and feedback loops.

• Explain your method for translating user insights and business requirements into actionable design specifications.

• Document your contribution to Design System components, including style guides, component libraries, and governance.

📝 Enhancement Note: A strong portfolio is paramount for this role, as it will be a primary tool for evaluating design thinking, process, and execution. Candidates should be prepared to walk through their case studies and articulate their rationale for design decisions.

💵 Compensation & Benefits

Salary Range: Based on experience level (3-5 years), location (Paris, France), and the nature of the role within a growing BtoC company, a competitive salary range for a Product Designer in Paris is estimated between €45,000 and €60,000 gross per year. This range can vary based on specific skills, the company's compensation philosophy, and the final candidate's negotiation.

Benefits:

• Contract Type: CDI (Permanent Contract) - Cadre (Managerial/Professional Status).

• Work Schedule: Full-time, with an experimental 4-day work week, granting Fridays off.

• Work Arrangement: Hybrid model, requiring 2 mandatory days of presence per week in the Paris office.

• Professional Development: Opportunities to work with innovative tools, including AI, and contribute to a continuous improvement culture.

• Company Culture: Inclusive and diverse environment, recognizing all talents.

Working Hours: While a full-time contract is standard, the company is experimenting with a 4-day work week, implying a compressed work schedule with Fridays as a designated day off. Specific daily hours will align with the full-time requirement, likely around 8-9 hours per day over four days.

📝 Enhancement Note: The salary estimate is based on general market data for Product Designers in Paris with 3-5 years of experience. The 4-day work week is a significant perk that might influence compensation expectations. The "Cadre" status indicates a professional role with specific labor law implications in France.

🎯 Team & Company Context

🏢 Company Culture

Industry: The company operates within the EdTech (Educational Technology) and Consumer Electronics sectors, focusing on creating digital products for children. Lunii is known for its innovative approach to interactive audio storytelling devices and accompanying digital platforms.

Company Size: Lunii is a growing company, likely falling into the Small to Medium-sized Enterprise (SME) category. This implies a dynamic environment where individual contributions can have a significant impact, and where processes may be evolving.

Founded: Lunii was founded with a mission to develop engaging and educational digital products for children, aiming to foster creativity and imagination. The company's history is rooted in innovation and a commitment to child development through technology.

Team Structure:

• The Product Designer will be integrated into an "Impact Team," suggesting a cross-functional squad focused on specific product objectives.

• The role reports directly to Capucine, the Chief Product Officer (CPO), indicating a strategic reporting line and direct access to leadership.

• Collaboration will occur with Product Managers (e.g., Alexandre), other Product Designers (e.g., Aurélie), and the Tech and Data teams. Methodology:

• User-Centricity: A strong emphasis on understanding user (children and parents) needs through research and testing.

• Agile Development: Implied through "Impact Teams" and close collaboration with Tech, suggesting iterative development cycles.

• Data-Informed Design: Decision-making guided by both user insights and performance metrics tracked by the Data team.

• Design System Driven: Commitment to a standardized and scalable Design System for consistency and efficiency.

Company Website: https://carriere.lunii.com (career portal) and likely https://www.lunii.com (main product site).

📝 Enhancement Note: Lunii's focus on children's products suggests a playful yet professional design culture. The company's growth phase implies opportunities for designers to shape processes and product direction.

📈 Career & Growth Analysis

Operations Career Level: This role is at a Mid-Level Product Designer stage. It requires autonomy in executing design tasks, a solid understanding of UX/UI principles, and the ability to contribute to strategic product discussions. The designer is expected to be a key contributor within their team, capable of managing their workload and influencing design outcomes.

Reporting Structure: The Product Designer reports directly to the Chief Product Officer (CPO), Capucine. This provides a unique opportunity for high-level exposure and direct mentorship from leadership, allowing for significant strategic input and visibility.

Operations Impact: The Product Designer's impact is central to Lunii's digital product success. By creating intuitive and engaging user experiences across multiple platforms, they directly influence user acquisition, retention, customer satisfaction, and ultimately, business growth. Their work on the Design System also enhances development efficiency and brand consistency, contributing to operational excellence.

Growth Opportunities:

• Skill Specialization: Deepen expertise in specific areas such as user research, interaction design, visual design, or design system management.

• Leadership Development: Potential to grow into a Senior Product Designer role, leading design initiatives, mentoring junior designers, and contributing more heavily to product strategy.

• Cross-Functional Expertise: Develop a strong understanding of Product Management, Tech constraints, and Data Analytics through close collaboration, potentially leading to product-focused roles.

• AI Integration: Explore and implement cutting-edge AI tools and methodologies within the design process, positioning oneself at the forefront of design innovation.

📝 Enhancement Note: The direct reporting to the CPO offers a significant advantage for career growth, providing visibility and opportunities to influence product strategy from a design perspective.

🌐 Work Environment

Office Type: The role is based in Lunii's offices located in the 3rd arrondissement of Paris. This implies a professional office setting designed for collaboration and focused work.

Office Location(s): 86 Rue Notre Dame de Nazareth, 75003 Paris, France. This location is in a central, vibrant district of Paris, accessible via public transportation.

Workspace Context:

• Collaborative Environment: The hybrid model with 2 mandatory days in the office fosters in-person collaboration, team building, and knowledge sharing.

• Tools and Technology: Access to industry-standard design tools like Figma, as well as collaboration platforms (Notion, Miro, etc.), supporting efficient workflows.

• Team Interaction: Opportunities to work closely with Product Managers, fellow Designers, and Engineers, promoting a dynamic and interactive work atmosphere.

• Focus Time: The 4-day work week, with Fridays off, allows for extended periods of focused work during the four working days and a better work-life balance.

Work Schedule: The company is experimenting with a 4-day work week. This means the standard 40-hour work week is compressed into four days, with Fridays being a day off. This structure requires effective time management and prioritization to ensure all tasks are completed within the working days.

📝 Enhancement Note: The hybrid model and the 4-day week experiment indicate a forward-thinking company culture that values both collaboration and employee well-being. The office location in central Paris is a significant draw for many professionals.

📄 Application & Portfolio Review Process

Interview Process:

• Application Submission: Submit CV and portfolio.

• Recruiter Screening (30 min, Video): Initial call with Bérengère (Hiring Manager) to assess general fit, motivation, and basic qualifications. Be prepared to articulate your career path and interest in Lunii.

• CPO Interview (45 min, Video): Conversation with Capucine (CPO) to delve deeper into your design philosophy, strategic thinking, and alignment with Lunii's product vision.

• Practical Case Study & Team Interview (90 min, On-site): A personalized, practical case study will be presented and worked on. You will then discuss this with Alexandre (Product Manager) and Aurélie (Product Designer) at the office. This stage assesses your problem-solving skills, design execution, collaboration style, and cultural fit.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 of your strongest case studies that best represent your skills in BtoC/e-commerce/SaaS, user research, UI/visual design, and Design System work.

• Tell a Story: For each case study, clearly articulate: the problem statement, your role and responsibilities, the design process followed, key challenges and solutions, and the impact/outcomes (quantified if possible).

• Show, Don't Just Tell: Include high-quality visuals of wireframes, prototypes, and final UI mockups. Explain why you made certain design decisions.

• Highlight Collaboration: If possible, showcase how you collaborated with developers, product managers, or other stakeholders.

• Design System Focus: Explicitly detail your experience with Design Systems, showing examples of your contributions and how you ensured consistency.

• Tool Proficiency: Briefly mention the tools used in each project, particularly Figma.

Challenge Preparation:

• Understand the Brief: Carefully read and dissect the case study prompt. Identify the core problem and success criteria.

• Leverage Your Process: Apply your established user-centered design process. Start with understanding the problem, then ideate, prototype, and iterate.

• Think Aloud: During the on-site session, verbalize your thought process. Explain your assumptions, choices, and how you're approaching the problem.

• Be Pragmatic: Demonstrate an understanding of business goals and technical feasibility alongside user needs.

• Ask Clarifying Questions: Don't hesitate to ask questions to ensure you fully understand the scope and objectives of the case study.

• Prepare to Present: Be ready to present your work clearly and concisely, focusing on the most critical aspects.

📝 Enhancement Note: The interview process is structured to progressively assess different facets of your candidacy, from initial fit to practical design skills and team collaboration. The on-site case study is a critical component that requires hands-on preparation.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Essential for wireframing, prototyping, UI design, and collaboration. Proficiency is a must.

• Design System Tools: Experience working with and contributing to Design Systems, likely managed within Figma or a dedicated platform.

• Motion Design Tools (Preferred): Rive or equivalents for creating micro-interactions and animations, enhancing user experience.

Analytics & Reporting:

• User Research Platforms: Dovetail or similar for synthesizing qualitative data.

• Collaboration Tools: Notion for documentation and project management, Miro for whiteboarding and ideation sessions.

• Analytics Tools: While not explicitly mentioned, familiarity with web/app analytics platforms (e.g., Google Analytics, Amplitude, Mixpanel) is beneficial for defining and tracking KPIs.

CRM & Automation:

• Not directly relevant to the Product Designer role, but understanding how user data flows from design into CRM or marketing automation systems can be a plus for context.

📝 Enhancement Note: Figma is the core design tool. The emphasis on Notion and Miro highlights the company's reliance on collaborative and documentation-heavy workflows. Familiarity with AI tools is also a growing requirement.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A deep commitment to understanding and serving the needs of children and parents, driving design decisions from the user's perspective.

• Creativity & Imagination: Encouraging innovative thinking and playful design approaches to create engaging experiences for children.

• Collaboration & Inclusivity: Valuing teamwork, open communication, and diversity, ensuring all voices are heard and respected.

• Data-Driven Experimentation: Using data and user feedback to inform design iterations and continuously improve product performance.

• Pragmatism & Efficiency: Balancing creative exploration with practical considerations, technical feasibility, and business objectives.

Collaboration Style:

• Cross-functional Integration: Designers work closely with Product Managers, Developers, and Data Analysts, forming integrated "Impact Teams."

• Open Feedback Culture: Encouraging constructive criticism and iterative refinement of designs through regular reviews and discussions.

• Knowledge Sharing: Actively sharing expertise, best practices, and learnings across design and product teams to foster collective growth.

• Agile & Iterative: Embracing a flexible approach where designs are continuously tested, refined, and improved based on feedback and performance.

📝 Enhancement Note: Lunii's values reflect a company that is innovative, user-focused, and collaborative, aiming to create meaningful products for children while fostering a positive internal environment.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs: Designing for children (users) while meeting the business objectives and brand requirements set by parents/guardians (customers).

• Cross-Platform Consistency: Ensuring a cohesive and intuitive user experience across web, mobile, and potentially desktop applications.

• Evolving Design System: Continuously updating and expanding the Design System to accommodate new features and maintain consistency across a growing digital ecosystem.

• Integration of AI: Exploring and effectively integrating AI tools into the design workflow and user experiences, which requires continuous learning and adaptation.

Learning & Development Opportunities:

• Advanced Design Skills: Opportunity to hone skills in areas like interaction design, animation, and user research methodologies.

• Product Strategy Input: Gaining exposure to product strategy and roadmap planning through direct interaction with the CPO and Product Managers.

• Industry Trends: Staying abreast of emerging design trends, tools (especially AI in design), and best practices in the EdTech and B2C product space.

• Mentorship: Learning from experienced leaders like the CPO and collaborating with diverse team members.

📝 Enhancement Note: This role presents opportunities to tackle complex design challenges at the intersection of technology, education, and child development, with ample room for professional growth.

💡 Interview Preparation

Strategy Questions:

• "How would you approach designing a new feature for our audio storytelling app to increase user engagement among young children?" (Focus on user research, ideation, and prototyping for a child audience.)

• "Describe a time you had to balance conflicting stakeholder needs (e.g., user vs. business vs. technical) in a design project. How did you resolve it?" (Demonstrate negotiation, prioritization, and problem-solving skills.)

• "How do you ensure the usability and accessibility of your designs, particularly for a young audience?" (Highlight your understanding of UX principles and testing methodologies.)

• "Walk me through your process for contributing to or building a Design System. What are the key considerations for its success?" (Focus on consistency, scalability, documentation, and adoption.) Company & Culture Questions:

• "What excites you about Lunii's mission and products?" (Research Lunii's brand, products, and values thoroughly.)

• "How do you see your role contributing to Lunii's growth and success?" (Connect your skills and experience to the company's goals.)

• "Describe your ideal collaborative environment. How do you prefer to work with Product Managers and Developers?" (Align your style with Lunii's described team structure and culture.) Portfolio Presentation Strategy:

• Start with the 'Why': Begin each case study by clearly stating the problem and the project's objectives.

• Show Your Process: Detail your steps, from research to ideation, wireframing, prototyping, testing, and final UI. Explain why you made specific choices at each stage.

• Highlight Impact: Quantify results whenever possible (e.g., "increased conversion by X%", "reduced task completion time by Y%"). If not quantifiable, explain the qualitative impact.

• Be Ready for Deep Dives: Anticipate questions about specific design decisions, challenges faced, and alternative solutions you considered.

• Showcase Figma Skills: Be prepared to demonstrate your proficiency in Figma, perhaps by showing interactive prototypes or discussing complex component usage.

• Emphasize Collaboration: If possible, describe how you worked with others and incorporated their feedback.

📝 Enhancement Note: Preparation should focus on demonstrating a strong grasp of the product design lifecycle, user-centered methodologies, and the ability to translate insights into effective, engaging designs, all within a collaborative, business-aware context.

📌 Application Steps

To apply for this Product Designer position:

• Submit your CV and portfolio through the provided link on the Lunii careers portal.

• Portfolio Customization: Ensure your portfolio prominently features 2-3 case studies showcasing your experience in BtoC/e-commerce/SaaS, user research, UI/visual design, and Design System contributions. Tailor any introductory text to highlight your enthusiasm for Lunii's mission.

• Resume Optimization: Clearly articulate your 3+ years of relevant experience, focusing on achievements and responsibilities that align with the job description (e.g., "Designed intuitive mobile interfaces for B2C app," "Collaborated with developers on X feature implementation," "Contributed to Design System updates").

• Interview Preparation: Practice articulating your design process, decision-making rationale, and how you handle collaboration and feedback. Prepare to discuss your portfolio projects in detail and practice your approach to the case study.

• Company Research: Thoroughly research Lunii's products, target audience (children and parents), brand values, and recent news. Understand their digital ecosystem and identify potential areas for design improvement or innovation.

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

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