Product Designer Senior - F/H

📍 Job Overview

Job Title: Product Designer Senior - F/H

Company: Niji

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

Job Type: Contractor

Category: Product Design & User Experience Operations

Date Posted: 2026-06-18

Experience Level: Senior (5-9 years)

Remote Status: Hybrid

🚀 Role Summary

• Drive end-to-end product design strategy, encompassing UX, UI, system, and service design, for major clients in sectors like Banking, Retail, Luxury, and Industry.

• Leverage advanced AI tools and prompting techniques to accelerate prototyping, iterate rapidly, and enhance design explorations, focusing on augmenting human creativity.

• Lead discovery phases through in-depth user research, interviews, and analysis to identify genuine opportunities and define clear product roadmaps with measurable business impact.

• Ensure high-quality implementation and delivery by actively participating in agile rituals, documenting functional requirements, and performing rigorous Quality Assurance (QA) on developed interfaces.

• Present and defend design convictions to C-Level stakeholders, utilizing strong communication skills in both French and English (C1 CECRL).

📝 Enhancement Note: This role focuses on the strategic application of design principles, augmented by AI, to solve complex business problems for large enterprise clients. The emphasis is on impact and strategic thinking rather than pure execution. The "F/H" designation indicates the role is open to all genders ("Femme/Homme").

📈 Primary Responsibilities

• Conduct comprehensive product design, including UX, UI, system design, and service design, ensuring a holistic and user-centric approach.

• Execute user research and testing methodologies to validate design impact on real users and gather actionable insights for iterative improvements.

• Facilitate strategic workshops to align stakeholders, define product vision, and translate complex requirements into clear design roadmaps.

• Mentor team members informally, elevating the overall design quality and fostering a culture of continuous improvement within the product design team.

• Intervene strategically on high-impact projects for prominent clients across diverse sectors such as Banking, Retail, Luxury, Industry, and Services.

• Utilize AI tools for rapid prototyping and iteration, focusing on enhancing design exploration and speed-to-market.

• Perform detailed quality assurance (QA) on developed interfaces to ensure pixel-perfect alignment with design intentions and functional specifications.

• Develop structured documentation, including functional and business requirements, user journeys, and specifications, to serve as a reference for stakeholders and development teams.

• Actively participate in agile ceremonies such as sprint planning, reviews, and retrospectives, contributing to user story creation and refinement.

📝 Enhancement Note: The responsibilities highlight a blend of strategic design leadership, hands-on execution, and client-facing engagement, with a strong emphasis on AI integration and agile processes. The QA responsibility is particularly critical for ensuring design fidelity.

🎓 Skills & Qualifications

Education: Postgraduate degree is preferred, demonstrating a commitment to advanced learning and specialized knowledge within design or a related field.

Experience: 5 to 9 years of real-world professional experience, with a proven track record of delivering successful products, learning from failures, and adapting to evolving challenges.

Required Skills:

• Product Design (UX/UI/System/Service): Comprehensive understanding and application of end-to-end design processes.

• AI Augmentation & Prompting: Advanced proficiency in leveraging AI tools for design, with demonstrated expertise in prompt engineering for effective output.

• Figma & Figma Make: Expert-level command of Figma for wireframing, prototyping, and design system management.

• User Research & Discovery: Ability to conduct user interviews, observational studies, and competitive analysis to inform design decisions.

• Strategic Framing & Roadmapping: Capacity to understand business objectives, reframe problems, and define clear, actionable design roadmaps.

• Agile Methodology: Active participation and contribution within agile frameworks, including sprint planning, reviews, and user story refinement.

• Quality Assurance (QA): Meticulous attention to detail in verifying the accuracy and quality of implemented designs.

• English Proficiency (C1 CECRL): Essential for international client interactions, negotiation, and presenting to global stakeholders.

• Presentation & Persuasion: Proven ability to present and defend design strategies and decisions to C-Level executives.

• Mentoring & Team Elevation: Capability to guide and inspire junior designers, fostering a higher level of design excellence within the team.

Preferred Skills:

• Experience in specific client sectors such as Banking, Retail, Luxury, or Industry.

• Familiarity with data analysis and its application in design decision-making.

• Experience in facilitating strategic design workshops.

• Understanding of design system governance and evolution.

📝 Enhancement Note: The emphasis on "no compromise" skills like advanced AI prompting, expert-level Figma, and C1 English indicates a high bar for candidates. The requirement for a "best-in-class" portfolio is central to demonstrating this expertise.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Best-in-Class Execution: The portfolio must showcase exceptional design quality, demonstrating a deep understanding of user needs, business objectives, and aesthetic principles.

• End-to-End Project Examples: Include case studies detailing the entire product design lifecycle, from initial problem definition and research through to final implementation and impact analysis.

• AI Integration: Showcase instances where AI tools were used to enhance the design process, such as rapid prototyping, idea generation, or content creation.

• Strategic Problem-Solving: Highlight examples where you challenged the brief, reframed problems, and arrived at effective design solutions that delivered tangible business value.

• Figma Proficiency: Demonstrate advanced use of Figma, including complex prototyping, component libraries, and potentially design system implementation.

Process Documentation:

• Discovery & Strategy: Document your approach to understanding user needs and business context, including methodologies used for research, analysis, and strategic framing.

• Design & Iteration: Illustrate your design process, including wireframing, prototyping, user testing, and how you iterated based on feedback and AI-driven explorations.

• Delivery & QA: Detail your involvement in the delivery phase, including collaboration with development teams, documentation practices (user stories, specifications), and your QA process to ensure fidelity.

• Impact Measurement: Where possible, include metrics or qualitative feedback demonstrating the impact of your design work on user experience and business outcomes.

📝 Enhancement Note: The portfolio is critical, serving as the primary evidence of a candidate's senior-level capabilities, particularly regarding AI integration and strategic design thinking. It should clearly articulate process and demonstrate tangible results.

💵 Compensation & Benefits

Salary Range: As this is a contractor role in France, the daily rate would typically range from €450 to €700, depending on experience, specific skill set, and project duration. This translates to an estimated annual equivalent of €80,000 - €130,000 gross, based on a 40-hour work week and standard French working days.

Benefits:

• Flexible Hours: Ability to adjust working hours to better suit personal needs and project demands.

• Teleworking: Options for remote work, providing flexibility and work-life balance.

• Restaurant Vouchers (Tickets Restaurant): A common French employee benefit to subsidize meal expenses.

• Mobility Package: Support for commuting expenses, potentially including public transport or eco-friendly options.

• Service Platform: Access to a platform offering various services and benefits.

• Training via Niji University: Extensive access to over 33,000 learning resources for continuous skill development.

• Personalized Career Support: Dedicated HR business partner and regular 1-on-1 meetings to foster career growth.

• Regular 1-1 Meetings: Consistent opportunities for feedback, alignment, and professional development discussions.

Working Hours: 40 hours per week, with flexibility offered in scheduling to accommodate project needs and personal life.

📝 Enhancement Note: For a contractor role in France, the salary is typically negotiated as a daily rate. The provided range is an estimation based on senior product design roles in the Paris region, considering the stated experience level and the hybrid work arrangement. Benefits are standard for contractor roles in France, with specific mention of Niji's extensive training platform.

🎯 Team & Company Context

🏢 Company Culture

Industry: Digital Transformation Consulting, encompassing expertise in AI, Data, Design, Tech, Cybersecurity, and Integration. Niji positions itself at the intersection of technology and human-centric experiences.

Company Size: Niji is an ETI (Entreprise de Taille Intermédiaire), meaning it's a medium-to-large enterprise, likely employing between 250 and 4,999 people. This size offers the structure and resources of a larger firm while retaining a degree of agility and personalized employee experience.

Founded: Niji was founded in 2008, indicating a decade+ of experience in the digital consulting space, allowing for established methodologies, client relationships, and a mature understanding of market trends.

Team Structure:

• Multidisciplinary Teams: Designers work within cross-functional teams that include consultants, data scientists, AI specialists, developers, and cybersecurity experts.

• Client-Centric Project Teams: Projects are structured around client needs, with dedicated teams formed for specific engagements, fostering close collaboration.

• Reporting & Mentorship: While project-based, there's a clear emphasis on reporting to project leads and receiving informal mentorship from senior members, alongside dedicated HRBP support.

Methodology:

• AI-Augmented Design: A core methodology involves integrating AI tools into daily workflows for efficiency, exploration, and automation of repetitive tasks.

• Human-Centric Approach: Design is driven by a deep understanding of human emotions, contexts, and needs, aiming for "total emotional connection" between brands and audiences.

• Agile & Iterative: Projects follow agile principles, emphasizing iterative development, continuous feedback, and active participation in rituals.

• Data-Driven Insights: Data plays a crucial role in informing strategy, understanding user behavior, and measuring the impact of design solutions.

Company Website: https://carrieres.niji.fr

📝 Enhancement Note: Niji's culture appears to value a blend of high technical expertise (especially in AI), strong design craft, strategic business acumen, and a human-centric approach. The "ideal size" suggests a balance between large-scale impact and agile execution.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as Senior Product Designer. This implies a high degree of autonomy, strategic contribution, and the ability to lead complex projects independently. Seniors are expected to not only execute design tasks but also to shape the design direction, mentor others, and act as trusted advisors to clients and internal teams. They are key contributors to elevating the overall design maturity of the organization.

Reporting Structure: While working within multidisciplinary project teams, the Senior Product Designer will likely report to a Design Lead, Project Manager, or a dedicated Manager for Design. They will also receive guidance and feedback from senior client stakeholders (e.g., Product Owners, C-Level executives).

Operations Impact: The role has a significant impact on revenue and business decisions by:

• Directly influencing the user experience and perceived value of client products, which drives customer acquisition, retention, and ultimately, revenue.

• Providing strategic design insights that shape product roadmaps and business strategies.

• Ensuring the quality and effectiveness of digital solutions, reducing costly rework and improving market competitiveness for clients.

• Enhancing client relationships through expert consultation and delivery, leading to repeat business and strong partnerships. Growth Opportunities:

• Leadership Development: Potential to move into a Lead Product Designer, Design Manager, or specialized roles (e.g., Head of UX Research, Design System Lead).

• Strategic Consulting: Deepen expertise in strategic design consulting, advising clients on digital transformation and customer experience strategy.

• AI Specialization: Further develop expertise in AI-augmented design, becoming a go-to expert within Niji and the industry.

• Cross-Disciplinary Expertise: Gain broader knowledge and experience working across Niji's other practice areas (Data, IA, Tech, Cyber).

• Client Relationship Management: Develop skills in client management, business development, and pre-sales activities.

📝 Enhancement Note: The career path for a Senior Product Designer at Niji appears to offer substantial growth into leadership, strategic consulting, and specialized technical areas, leveraging the company's multidisciplinary approach and focus on AI.

🌐 Work Environment

Office Type: Niji operates from modern office spaces designed to foster collaboration and innovation. The location in Issy-les-Moulineaux, a business district near Paris, suggests a professional and well-connected environment.

Office Location(s): The primary location is 14 Bd des Frères Voisin, 92130 Issy-les-Moulineaux, France. This is a well-established business hub with good transport links.

Workspace Context:

• Collaborative Spaces: Offices likely include open work areas, meeting rooms, and informal gathering spots to encourage spontaneous interaction and knowledge sharing among multidisciplinary teams.

• Technology & Tools: Access to cutting-edge design software, AI tools, and robust IT infrastructure necessary for complex digital projects.

• Client Interaction: Opportunities to work both remotely and on-site with clients, offering varied project environments and direct stakeholder engagement.

• Hybrid Model: The hybrid arrangement allows for a balance between focused individual work at home and collaborative team activities in the office.

Work Schedule: A standard 40-hour work week is expected, with flexibility offered. This allows operations professionals to manage their time effectively, balancing project deadlines with personal commitments, which is crucial for sustained productivity in demanding roles.

📝 Enhancement Note: The hybrid work environment in a modern office setting, combined with flexible hours, suggests a professional yet adaptable workplace that supports both focused individual work and team collaboration.

📄 Application & Portfolio Review Process

Interview Process:

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

• Portfolio Presentation & Discussion: Expect to present your portfolio, detailing 2-3 key projects. Be prepared to discuss your strategic thinking, problem-solving approach, role in the project, challenges faced, and the impact of your work, particularly focusing on AI integration and user-centricity.

• Technical & Behavioral Interview: A session with hiring managers or senior team members to delve deeper into your experience, skills (especially Figma and AI prompting), and how you handle specific scenarios (e.g., client disagreements, challenging briefs).

• English Language Assessment: Given the C1 English requirement, expect a portion of the interview, or a dedicated segment, to be conducted in English to assess fluency and professional communication.

• Case Study (Potential): While not explicitly stated, some roles may involve a short design challenge or case study to assess your approach to a problem under timed conditions.

Portfolio Review Tips:

• Curate Strategically: Select projects that best demonstrate your senior-level capabilities, strategic thinking, AI usage, and impact. Prioritize quality over quantity.

• Tell a Story: For each project, clearly articulate the problem, your role and process, the solutions you designed, the challenges you overcame, and the measurable outcomes. Use visuals effectively.

• Highlight AI Integration: Explicitly showcase how you used AI tools in your workflow and the benefits derived.

• Demonstrate Figma Expertise: Ensure your portfolio includes examples that highlight advanced Figma skills, such as complex interactive prototypes or well-structured design systems.

• Quantify Impact: Whenever possible, include metrics (e.g., conversion rate improvements, user satisfaction scores, efficiency gains) to demonstrate the business value of your design work.

• Prepare for C1 English Presentation: Practice presenting your portfolio in English, focusing on clarity, confidence, and professional articulation.

Challenge Preparation:

• Understand Niji's Context: Research Niji's values, methodology (AI-augmented, human-centric), and client sectors. Frame your answers and examples accordingly.

• Problem-Solving Framework: Prepare to articulate your structured approach to solving design problems, emphasizing discovery, analysis, ideation, prototyping, and validation.

• AI Use Cases: Be ready to discuss specific ways you would use AI in design, beyond basic prompting, to drive innovation and efficiency.

• Stakeholder Management: Prepare examples of how you have managed client expectations, defended design decisions, and collaborated with diverse teams.

📝 Enhancement Note: The interview process heavily emphasizes portfolio presentation and the ability to articulate strategic thinking, especially concerning AI integration and client interaction, in both French and English.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Expert-level proficiency is mandatory. This includes advanced features for prototyping, component libraries, auto-layout, variants, and potentially collaboration with Figma plugins like Figma Make.

• AI Augmentation Tools: A broad range of AI tools for design, including text-to-image generators, AI-powered prototyping tools, content generation aids, and potentially AI assistants integrated into design workflows.

• Prompting Tools/Platforms: Advanced skills in crafting effective prompts for various AI models to achieve desired design outcomes.

Analytics & Reporting:

• User Analytics Platforms: Familiarity with tools like Google Analytics, Mixpanel, Amplitude, or similar platforms to understand user behavior and measure design impact.

• Heatmapping & Session Recording: Tools such as Hotjar or Contentsquare to gain qualitative insights into user interactions.

• Data Visualization Tools: Proficiency in presenting data insights clearly, potentially using tools like Tableau, Power BI, or even advanced Figma features.

CRM & Automation:

• Project Management Tools: Experience with tools like Jira, Asana, Trello, or Monday.com for managing design tasks within agile workflows.

• Collaboration Platforms: Tools like Slack, Microsoft Teams, or Notion for team communication and knowledge sharing.

• Prototyping & Collaboration Tools: Beyond Figma, familiarity with tools that facilitate design handoff and collaboration with developers might be beneficial.

📝 Enhancement Note: The core technical requirement is expert-level Figma coupled with advanced AI prompting skills. The mention of "Figma Make" suggests an interest in AI-driven design workflows within Figma itself or through integrated plugins.

👥 Team Culture & Values

Operations Values:

• Engage with Rigor (S'engager avec exigence): A commitment to high standards, attention to detail, and a relentless pursuit of quality in all aspects of design and delivery. This translates to meticulous QA and a refusal to accept mediocrity.

• Collaborate with Purpose (Collaborer avec sens): Working effectively within multidisciplinary teams, understanding the 'why' behind projects, and ensuring design efforts are aligned with broader business and user goals.

• Act with Impact (Agir avec impact): Focusing design efforts on creating tangible, measurable value for clients and their users, rather than just aesthetic output. This means prioritizing solutions that drive business outcomes.

• Transmit with Conviction (Transmettre avec conviction): Sharing knowledge, defending design decisions with strong rationale, and mentoring others with confidence and clarity.

Collaboration Style:

• Cross-Functional Integration: Designers are expected to be active participants in multidisciplinary teams, bridging the gap between user needs, business objectives, and technical feasibility.

• Feedback & Feedforward Culture: An environment that encourages open communication, constructive feedback, and proactive forward-looking suggestions for improvement.

• Knowledge Sharing: Active participation in sharing insights, best practices, and learnings across teams, potentially through internal workshops or documentation.

• Client Partnership: A collaborative approach with clients, positioning designers as strategic partners rather than just service providers.

📝 Enhancement Note: Niji's values emphasize a results-oriented, high-performance culture that balances rigor with collaboration and a strong sense of purpose, particularly in leveraging design and AI for impact.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing AI Augmentation with Human Creativity: Effectively integrating AI tools without sacrificing the essential human elements of empathy, nuance, and strategic intuition in design.

• Managing Client Expectations in Complex Projects: Navigating the demands and diverse priorities of large enterprise clients across various sectors, ensuring design solutions meet both immediate needs and long-term strategic goals.

• Maintaining Design Excellence Across Diverse Projects: Consistently delivering best-in-class design across different industries and project scopes, requiring adaptability and a broad skill set.

• Rapid Technological Evolution: Staying ahead of the curve with rapidly advancing AI technologies and their applications in design, requiring continuous learning and adaptation.

• Elevating Design Maturity: Continuously pushing the boundaries of design within client organizations and Niji itself, fostering a culture that deeply values strategic design thinking.

Learning & Development Opportunities:

• Advanced AI & Design Training: Access to Niji University and ongoing exposure to cutting-edge AI tools and design methodologies.

• Mentorship Programs: Opportunities to learn from senior designers and leaders within Niji, as well as through formal and informal mentorship.

• Cross-Disciplinary Exposure: Working alongside experts in Data, AI, Tech, and Cybersecurity to broaden understanding and skill sets.

• Client-Facing Strategy: Developing expertise in client consultation, strategic advisory, and potentially pre-sales activities.

• Industry Conferences & Certifications: Potential for participation in industry events and pursuit of relevant certifications to enhance professional standing.

📝 Enhancement Note: The challenges are framed as opportunities for growth, emphasizing the dynamic nature of AI and digital transformation, and highlighting Niji's commitment to continuous learning and development.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you challenged a client's brief or initial requirements. How did you reframe the problem, and what was the outcome?" (Assesses strategic framing, client management, and problem-solving.)

• "Walk us through a project where you significantly leveraged AI tools in your design process. What prompts did you use, what were the results, and how did it impact your workflow and the final product?" (Tests AI proficiency, critical thinking about AI's role, and demonstrable impact.)

• "How do you ensure the 'human behind the screen' is understood and catered to throughout the design process, especially when working with data-driven insights or AI-generated options?" (Focuses on user empathy, ethical design, and integrating qualitative/quantitative data.) Company & Culture Questions:

• "Based on your understanding of Niji's values (Audace, Bienveillance, Performance, Talent), how would you embody 'Engage with Rigor' in your daily work?" (Evaluates cultural fit and understanding of core values.)

• "How do you approach mentoring junior designers or elevating the design standards within a team?" (Assesses leadership potential and collaborative spirit.)

• "How do you measure the 'impact' of your design work, particularly in terms of customer value or business objectives?" (Probes understanding of design's business contribution and metric-driven approach.) Portfolio Presentation Strategy:

• Structure: For each project, use a clear narrative: Problem/Opportunity -> Your Role & Process -> Solution -> Challenges & Decisions -> Outcome & Impact.

• Visuals: Use high-quality mockups, user flows, prototypes, and any relevant research artifacts. Clearly label your specific contributions.

• AI Showcase: Dedicate specific slides or sections to highlight your AI usage, demonstrating the how and why, not just the what.

• English Fluency: Practice presenting your key projects confidently in English, ensuring clarity and professional delivery. Be prepared for follow-up questions in English.

• Conciseness: Focus on the most impactful aspects of each project. Be prepared to dive deeper if asked, but start with a compelling summary.

📝 Enhancement Note: Preparation should focus on articulating strategic thinking, demonstrating tangible impact through case studies, showcasing advanced AI and Figma skills, and confidently communicating in English.

📌 Application Steps

To apply for this Product Designer Senior position:

• Submit your application through the provided link on the Niji careers portal.

• Curate Your Portfolio: Select 2-3 of your strongest projects that best exemplify your senior-level experience, strategic thinking, AI integration, and end-to-end design process. Ensure each case study clearly articulates the problem, your role, your process (including AI usage), the solution, challenges, and measurable impact.

• Optimize Your Resume/CV: Tailor your resume to highlight the required skills and experience, using keywords such as "Product Design," "UX/UI," "AI Prompting," "Figma Expert," "User Research," "Agile," and "C1 English." Quantify achievements where possible.

• Prepare Your Presentation: Practice presenting your portfolio projects concisely and confidently, both in French and English. Be ready to discuss your strategic decision-making and how you leverage AI tools.

• Research Niji: Familiarize yourself with Niji's company culture, values (Audace, Bienveillance, Performance, Talent), methodologies (AI-augmented, human-centric), and client sectors to articulate your alignment during 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.