Product Designer Senior H/F

📍 Job Overview

Job Title: Product Designer Senior H/F

Company: NEXTON

Location: Lille, Hauts-de-France, France

Job Type: Full-time (Temps complet)

Category: Product Design / UX/UI Design

Date Posted: June 08, 2026

Experience Level: 5-10 Years

Remote Status: On-site

🚀 Role Summary

• This senior Product Designer role focuses on leading UX/UI design initiatives within a client's IT department, driving product innovation and strategy.

• You will be responsible for managing a team of designers, ensuring high-quality user experiences across diverse digital projects.

• The position requires a strong product vision, expertise in user research, design systems, and agile methodologies to deliver optimized solutions.

• This is an on-site role based in Lille, France, demanding collaborative engagement with product and development teams.

📝 Enhancement Note: While the raw job description is for a "Product Designer Senior," the responsibilities and qualifications clearly indicate a leadership and management component, positioning this role beyond individual contributor status. The mention of "encadrer une équipe de designer" (supervising a team of designers) and "Diriger la stratégie design" (leading design strategy) are key indicators of a senior, potentially lead or manager, level position within the design function. The target company, NEXTON, operates as a consulting firm and digital innovation agency, suggesting a dynamic client-facing environment.

📈 Primary Responsibilities

• Lead and mentor a team of UX/UI designers, fostering a collaborative and high-performing design environment.

• Oversee and actively participate in user research activities to gather insights and inform design decisions.

• Drive the design strategy in close collaboration with product management and other stakeholders to align with business objectives.

• Analyze and interpret user testing results to identify areas for improvement and iterate on design solutions.

• Ensure the overall consistency and coherence of the user experience across all product touchpoints and platforms.

• Provide actionable recommendations for design enhancements and optimizations based on research and data.

• Design wireframes and interactive prototypes to effectively communicate design concepts and user flows.

• Develop detailed mockups and visual designs that adhere to brand guidelines and usability best practices.

• Contribute to the development and maintenance of design systems to ensure scalability and consistency.

• Work proficiently within an Agile development framework, collaborating closely with engineers and product owners.

📝 Enhancement Note: The raw description lists "Maquettage" (Mockups) as a distinct mission. This has been integrated into "Develop detailed mockups and visual designs" to provide more context on the output expected from this task. The role emphasizes a "product vision" and "thinking user journey before interface," which has been translated into the core responsibilities to highlight the strategic and user-centric nature of the role.

🎓 Skills & Qualifications

Education:

• While no specific degree is mandated, a strong portfolio and relevant experience in Product Design, UX/UI Design, or a related field is expected. Candidates should demonstrate a deep understanding of design principles and user-centered design methodologies. Experience:

• A minimum of 5 years of significant experience as a Product Designer within an industrial or digital innovation context is required. This experience should clearly demonstrate a product-centric vision and proven ability to manage design projects from conception to implementation. Required Skills:

• Team Leadership & Management: Proven ability to lead, mentor, and manage a team of designers, fostering growth and collaboration.

• User Research: Expertise in conducting various user research methodologies (interviews, surveys, usability testing) to uncover user needs and behaviors.

• Design System Management: Experience in creating, maintaining, and advocating for design systems to ensure consistency and efficiency.

• User Testing Facilitation: Skilled in planning, conducting, and analyzing user testing sessions to gather actionable feedback.

• Interface Design Tools: Mastery of industry-standard design tools such as Figma and Sketch.

• Adobe Creative Suite: Proficiency in the Adobe Suite for design and asset creation.

• Agile Methodologies: Demonstrated experience working effectively within Agile/Scrum development environments.

• Wireframing & Prototyping: Ability to create low-fidelity wireframes and high-fidelity interactive prototypes.

• User Journey Mapping: Strong understanding and practical application of user journey mapping techniques.

• English Proficiency: Good command of English, beneficial for client interactions and broader team collaboration.

Preferred Skills:

• Experience in a consulting firm or digital agency environment.

• Familiarity with front-end development principles.

• Experience with A/B testing and data-driven design optimization.

• Strong presentation and communication skills for stakeholder management.

📝 Enhancement Note: The raw input explicitly lists "Management," "Recherche utilisateur," "Design system," "Animation de tests utilisateurs," "Figma," "Sketch," "Adobe Suite," "Agile," "Wireframes," "Prototyping," and "English Proficiency" under qualifications. These have been directly incorporated into the required skills. The "vision produit" (product vision) and emphasis on "penser parcours utilisateur avant interface" (thinking user journey before interface) have been translated into specific skills like "User Journey Mapping" and "Product Strategy" integration. The 5-year experience mark is used to define the experience level.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Case Studies: Showcase at least 2-3 detailed case studies demonstrating your product design process from problem identification to solution implementation, highlighting your role and contributions.

• User-Centricity: Evidence of user research, persona development, user journey mapping, and usability testing within your portfolio projects.

• Design System Examples: If available, include examples of your involvement in creating or contributing to design systems.

• Prototyping & Wireframing: Demonstrations of wireframes and interactive prototypes that effectively communicate user flows and interface logic.

• Visual Design & UI: High-quality visual design examples showcasing aesthetic appeal, usability, and brand consistency.

Process Documentation:

• Candidates are expected to articulate their design process clearly, detailing how they approach user research, ideation, prototyping, testing, and iteration.

• The ability to explain how design decisions are made, supported by user data and business objectives, is crucial.

• Documentation should highlight how design systems are leveraged for efficiency and consistency.

📝 Enhancement Note: Given the senior nature of the role and emphasis on leadership, a portfolio is implicitly required. This section outlines what a strong portfolio for a Senior Product Designer, especially one managing a team, should contain, focusing on process, user-centricity, and tangible outcomes.

💵 Compensation & Benefits

Salary Range:

• Based on industry benchmarks for Senior Product Designers with 5-10 years of experience in a major French city like Lille, and considering the consulting nature of NEXTON, a gross annual salary range of €50,000 to €70,000 is estimated. This range can vary based on specific client project demands, individual negotiation, and exact experience. Benefits:

• Professional Development Communities: Access to internal communities for knowledge sharing and skill enhancement.

• Skill Development Meetups: Opportunities to participate in meetups focused on developing specific design and leadership skills.

• Training Programs: Comprehensive training opportunities to foster career growth and continuous learning.

• Sports and Festive Events: Company-sponsored events promoting team bonding, well-being, and a vibrant company culture.

• Sustainable Mobility Allowance: A financial allowance to encourage eco-friendly commuting.

• Latest Generation Phone: Provision of a modern mobile device for professional use.

• Full-time Employment (CDI): Secure, permanent employment contract in France.

Working Hours:

• Standard full-time working hours in France are typically 35-40 hours per week. This role likely follows a 40-hour work week, consistent with the AI-derived value, with potential for flexibility depending on project needs and client engagements.

📝 Enhancement Note: The salary range is an estimate based on French market data for senior design roles in a tech-focused consulting environment in a city like Lille. Benefits are directly extracted from the "Pourquoi choisir NEXTON ?" section. Working hours are inferred from the standard French work week and the AI-derived value.

🎯 Team & Company Context

🏢 Company Culture

Industry: Digital Transformation Consulting, IT Services & Consulting, Design & Innovation. NEXTON operates at the intersection of these fields, advising large enterprises and digital-native companies on their innovation and digital evolution strategies. The company emphasizes creativity, expertise, and dynamism.

Company Size: Over 450 experts. This indicates a medium-to-large sized company that offers stability and a broad network of professionals while maintaining a potentially agile and collaborative internal structure.

Founded: 2011. This suggests a company with established market presence and a history of growth and adaptation in the evolving digital landscape.

Team Structure:

• The Product Designer will integrate into the IT UX/UI design department of a client, leading a team of UX/UI designers.

• This implies a hierarchical structure where the Senior Product Designer reports to a Design Director or Head of UX/UI, and in turn, manages a team of junior to mid-level designers.

• Cross-functional collaboration is expected with product managers, developers, business analysts, and other client-side stakeholders. Methodology:

• Data-Driven Design: Emphasis on user research, analysis, and testing to inform design decisions.

• Agile Workflow: Working within Agile/Scrum frameworks to ensure iterative development and rapid deployment.

• Design System Implementation: Utilizing and contributing to design systems for consistency and efficiency across projects.

• User-Centric Approach: Prioritizing the user journey and experience throughout the design and development process.

Company Website: [NEXTON Website - Assumed to be nexton.com based on domain_derived]

📝 Enhancement Note: Information about NEXTON's industry, size, and founding date is directly from the provided LinkedIn Company Data and job description. The team structure and methodology are inferred based on the role's seniority, management responsibilities, and the company's positioning as a digital innovation consultancy.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as Senior/Lead Product Designer. It involves not only hands-on design work but also team management, strategic input, and client-facing responsibilities within a consulting framework. The scope extends beyond individual contributions to influencing team direction and project outcomes.

Reporting Structure: The Senior Product Designer will likely report to a Design Director or Head of UX/UI within the client's IT department. They will directly manage a team of UX/UI designers, acting as a key point of contact for design-related matters on client projects.

Operations Impact: The role significantly impacts the client's digital products by ensuring user-centric design, driving innovation, and enhancing the overall user experience. This directly influences user adoption, satisfaction, and ultimately, the client's business objectives and revenue potential.

Growth Opportunities:

• Leadership Advancement: Potential to move into a Design Manager, Head of UX/UI, or Principal Product Designer role, managing larger teams or more strategic initiatives.

• Specialization: Opportunity to deepen expertise in specific areas such as UX research leadership, design operations, or advanced interaction design.

• Client Strategy: Gain exposure to a wide range of client challenges, enhancing strategic thinking and consulting capabilities.

• Continuous Learning: Access to NEXTON's training programs and communities to stay abreast of the latest design trends, tools, and methodologies.

📝 Enhancement Note: This analysis is based on the "Senior" title, management responsibilities, and NEXTON's consulting model, which typically offers diverse project exposure and career progression paths. The focus is on how this role serves as a stepping stone for further growth within design leadership or specialized functions.

🌐 Work Environment

Office Type: The role is described as being within the "direction IT UX/UI design de notre client" (client's IT UX/UI design department), implying an on-site position within the client's corporate offices. This environment is likely professional and collaborative, geared towards digital product development.

Office Location(s): The primary location is Lille, France. This suggests working within a vibrant French city known for its tech and innovation ecosystem.

Workspace Context:

• Collaborative Environment: Expect to work in a team-oriented setting, interacting daily with other designers, product managers, and developers.

• Tools & Technology: Access to modern design tools such as Figma, Sketch, and the Adobe Suite will be standard. The client's IT department will likely provide the necessary hardware and software infrastructure.

• Operations Team Interaction: Regular interaction with the design team will be key for mentorship and project execution, while collaboration with product and engineering teams will be crucial for delivering integrated solutions.

Work Schedule:

• The role is full-time (CDI), likely adhering to standard French working hours (e.g., 40 hours per week). While on-site, there may be some flexibility depending on client needs and project deadlines, but the core expectation is consistent presence.

📝 Enhancement Note: This section infers the work environment based on the "on-site" designation, the client's IT department context, and the specific location in Lille. The emphasis is on the collaborative and tool-rich nature of a modern digital product development setting.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and portfolio to assess relevant experience and design quality.

• Technical Interview: Discussion focused on your design process, user research methodologies, experience with specific tools (Figma, Sketch), and understanding of design systems. Expect to walk through case studies from your portfolio.

• Team/Manager Interview: An assessment of your leadership capabilities, team management approach, and cultural fit with both NEXTON and the client's organization. Questions may involve scenario-based problem-solving related to team dynamics or project challenges.

• Client Presentation (Potentially): In some consulting scenarios, you might present your approach or a case study to key client stakeholders.

• Final Offer: Based on overall assessment.

Portfolio Review Tips:

• Highlight Leadership: Showcase projects where you led design efforts, managed other designers, or significantly influenced product strategy.

• Process Over Polish: While visuals are important, emphasize your thought process, problem-solving steps, and how you used data and research to drive decisions. Detail your user research and testing methodologies.

• Quantify Impact: Whenever possible, include metrics or results that demonstrate the positive impact of your design work (e.g., improved conversion rates, user satisfaction scores, reduced task completion times).

• Tailor to the Role: Present case studies that align with the client's industry or project types if possible.

• Clarity and Conciseness: Ensure your portfolio is well-organized, easy to navigate, and clearly articulates your contributions.

Challenge Preparation:

• Be prepared for potential design challenges, which could involve a take-home exercise or an in-person/virtual whiteboard session. These will likely assess your ability to think critically, solve problems creatively, and articulate your design rationale under pressure. Practice explaining your design decisions, considering trade-offs, and incorporating feedback.

📝 Enhancement Note: This section is built on standard interview processes for senior design roles, especially in consulting. The emphasis on portfolio review and potential challenges is tailored to a leadership position requiring strategic thinking and demonstrable impact.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Essential for collaborative interface design, wireframing, and prototyping. Expect advanced usage.

• Sketch: Another key tool for UI design, often used in established design teams. Proficiency is expected.

• Adobe Creative Suite: Includes Photoshop, Illustrator, and potentially After Effects for asset creation, image editing, and motion design elements.

Analytics & Reporting:

• Familiarity with tools like Google Analytics, Mixpanel, Amplitude, or similar platforms is beneficial for understanding user behavior and informing design decisions.

• Experience with A/B testing tools (e.g., Optimizely, VWO) for data-driven design validation. CRM & Automation:

• While not primary design tools, understanding how design integrates with CRM (e.g., Salesforce) and marketing automation platforms can be advantageous for broader GTM context. Design System Tools:

• Experience with tools or methodologies for managing design systems (e.g., Zeplin, Abstract, or internal documentation platforms).

📝 Enhancement Note: The core tools (Figma, Sketch, Adobe Suite) are explicitly mentioned in the job description. Analytics and Design System tools are inferred as essential for a Senior Product Designer focused on data-driven decisions and consistency.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A deep commitment to understanding and serving user needs, prioritizing the user journey above all else.

• Collaboration: Valuing teamwork, open communication, and cross-functional partnerships to achieve shared goals.

• Innovation: Continuously seeking new ideas, exploring creative solutions, and embracing digital transformation.

• Excellence: Striving for high-quality outcomes in design, research, and team leadership, with a focus on impact.

• Agility: Adapting quickly to changing requirements and project needs, embracing iterative processes.

Collaboration Style:

• Cross-functional Integration: Actively engaging with product managers, engineers, and business stakeholders to ensure design alignment and successful product delivery.

• Mentorship & Knowledge Sharing: Fostering a supportive environment where team members can learn from each other, share best practices, and grow their skills.

• Feedback-Driven: Open to constructive feedback, both giving and receiving, to continuously improve designs and processes.

📝 Enhancement Note: These values and collaboration styles are inferred based on NEXTON's description as a dynamic digital innovation company and the senior, team-leading nature of the role. The emphasis is on a modern, collaborative, and user-focused design culture.

⚡ Challenges & Growth Opportunities

Challenges:

• Managing Diverse Stakeholder Needs: Balancing the expectations of multiple stakeholders (client, internal teams, end-users) with design best practices.

• Leading and Motivating a Team: Effectively guiding and inspiring a design team, especially in a client-facing or consulting context where project demands can fluctuate.

• Staying Ahead of Design Trends: Continuously learning and adapting to new design tools, methodologies, and user expectations in a rapidly evolving digital landscape.

• Translating Complex Requirements: Effectively interpreting and translating complex business requirements into intuitive and user-friendly design solutions.

• Driving Design Adoption: Championing design best practices and ensuring their consistent implementation across various client projects.

Learning & Development Opportunities:

• Leadership Training: Opportunities to hone management and leadership skills through workshops and mentorship.

• Advanced Design Techniques: Access to training on emerging design fields like AI-driven design, advanced interaction design, or inclusive design.

• Industry Exposure: Working with a variety of clients and industries provides broad exposure to different business challenges and design contexts.

• Community Engagement: Participating in NEXTON’s internal communities and meetups offers continuous learning and networking.

📝 Enhancement Note: Challenges are identified based on the seniority, management responsibilities, and consulting nature of the role. Growth opportunities are framed around career progression and skill enhancement within the design and leadership domains, leveraging NEXTON's stated commitments to development.

💡 Interview Preparation

Strategy Questions:

• "Describe your approach to leading and mentoring a design team. How do you foster collaboration and ensure high-quality output?" (Focus on management style, feedback mechanisms, and team development).

• "Walk me through a complex product design project from your portfolio where you had to balance user needs with business objectives. What was your process, and what were the key outcomes?" (Prepare a detailed case study emphasizing your strategic thinking and problem-solving).

• "How do you stay updated with the latest UX/UI design trends, tools, and best practices? Provide specific examples." (Showcase your commitment to continuous learning and industry awareness).

• "Describe a time you had to influence stakeholders who disagreed with your design recommendations. How did you handle it?" (Focus on communication, data-driven persuasion, and negotiation skills). Company & Culture Questions:

• "What interests you about NEXTON and our approach to digital innovation?" (Research NEXTON's mission, values, and client portfolio).

• "How do you see yourself contributing to our client's IT UX/UI design department and their product strategy?" (Align your skills and experience with the client's goals).

• "Describe your ideal team environment and how you collaborate with developers and product managers." (Highlight your adaptability and team-player mentality). Portfolio Presentation Strategy:

• Structure: Organize your presentation logically, starting with the problem, your process, your role, the solution, and the results.

• Storytelling: Use a narrative approach to explain your design journey, making it engaging and memorable.

• Visuals: Ensure your visuals (wireframes, mockups, prototypes) are clear, well-annotated, and showcase your design thinking.

• Data Emphasis: Clearly present any quantitative data or user feedback that supported your design decisions and demonstrated impact.

• Conciseness: Be mindful of time and focus on the most impactful aspects of your work.

📝 Enhancement Note: These questions and preparation tips are designed to guide a candidate through an interview for a senior, leadership-oriented design role, emphasizing strategic thinking, team management, and client impact.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit your application via the provided link on smartrecruiters.com.

• Portfolio Customization: Ensure your portfolio prominently features case studies demonstrating leadership, strategic thinking, user research, and tangible design outcomes. Tailor its presentation to highlight experience relevant to client-facing digital innovation.

• Resume Optimization: Update your resume to clearly articulate your 5+ years of experience, management responsibilities, proficiency in key design tools (Figma, Sketch, Adobe Suite), and success in Agile environments. Use keywords from the job description.

• Interview Preparation: Practice articulating your design process, leadership philosophy, and how you approach user research and problem-solving. Prepare to discuss specific projects from your portfolio in detail.

• Company Research: Familiarize yourself with NEXTON's company culture, client base, and mission. Understand the client's industry and potential design challenges to demonstrate genuine interest and strategic alignment.

⚠️ 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.