Product Designer Senior H/F

📍 Job Overview

Job Title: Product Designer Senior H/F

Company: NEXTON

Location: Lille, Hauts-de-France, France

Job Type: Temps complet (Full-time)

Category: Product Design / UX/UI Design

Date Posted: March 02, 2026

Experience Level: Senior (5+ years)

Remote Status: On-site

🚀 Role Summary

• This Senior Product Designer role involves leading a UX/UI team within a client's IT department, focusing on digital innovation and user experience strategy.

• Responsibilities include team management, user research oversight, design strategy direction, and the creation of wireframes, prototypes, and mockups.

• The position requires a strong product vision and the ability to drive user-centric design solutions within an Agile framework.

• Collaboration with product teams and analysis of user testing are critical components of this role, ensuring the coherence and optimization of user experiences.

📝 Enhancement Note: This role is positioned within a consulting firm (NEXTON) that places its experts with large clients. The "Senior Product Designer" title, coupled with "H/F" (Homme/Femme) and the location in France, indicates a leadership role with significant responsibility for a team and strategic design initiatives for a client's IT department. The emphasis on "vision produit" and "parcours utilisateur avant interface" highlights a strategic, product-focused approach to design, which is key for operations and GTM alignment.

📈 Primary Responsibilities

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

• Oversee and actively participate in user research initiatives to gather insights into user needs, behaviors, and pain points.

• Direct the design strategy in close collaboration with product teams, ensuring alignment with business objectives and user requirements.

• Analyze results from user testing and feedback, translating findings into actionable design recommendations for improvement.

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

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

• Create high-fidelity mockups and design specifications for development teams, ensuring accurate implementation of the design vision.

• Champion a user-centric design philosophy, prioritizing the user journey and overall experience over purely interface-driven solutions.

• Contribute to the evolution and maintenance of the design system to ensure scalability and consistency across projects.

📝 Enhancement Note: The core responsibilities clearly indicate a leadership role within design. The mention of "encadrer une équipe" (manage a team) and "diriger la stratégie design" (direct design strategy) are key indicators of senior-level duties. The focus on user research, testing analysis, and ensuring UX consistency points to a role that bridges user needs with business goals, aligning with GTM objectives by ensuring product usability and adoption.

🎓 Skills & Qualifications

Education:

Experience:

• Minimum of 5 years of significant experience as a Product Designer, with a proven track record in an industrial or client-facing environment.

Required Skills:

• Management: Proven ability to lead, mentor, and manage a team of designers.

• User Research: Expertise in conducting and supervising user research methodologies.

• Design System: In-depth understanding and practical application of design systems.

• User Test Facilitation: Proficiency in planning, conducting, and analyzing user testing sessions.

• Design Tools: Masterful proficiency in industry-standard design tools such as Figma, Sketch, and the Adobe Creative Suite.

• Agile Methodologies: Experience working effectively in Agile development environments.

• User Journey Focus: A strong emphasis on designing user journeys and end-to-end user experiences.

• Communication: Excellent verbal and written communication skills, with the ability to articulate design decisions and strategies.

• English Proficiency: Good command of English, beneficial for international client interactions and access to broader design resources.

Preferred Skills:

• Experience working with large enterprise clients or in a consulting capacity.

• Familiarity with front-end development concepts to better collaborate with engineering teams.

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

📝 Enhancement Note: The requirements explicitly state "au moins 5 ans d'expérience" (at least 5 years of experience) and detailed expertise in management, user research, and specific design tools. The emphasis on "vision produit" and "parcours utilisateur avant interface" suggests a strategic understanding beyond just visual design, crucial for roles that impact Go-To-Market strategy through product usability and adoption. The mention of English proficiency is a practical requirement for potentially international clients or global teams.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A comprehensive portfolio showcasing a minimum of 5 years of product design experience, with a clear emphasis on product vision and user-centricity.

• Case studies that demonstrate leadership in managing design teams and driving design strategy for complex projects.

• Examples of user research initiatives led or significantly contributed to, including methodologies and key insights.

• Demonstrations of design system development or significant contributions to existing systems, highlighting consistency and scalability.

Process Documentation:

• Portfolios should clearly outline the design process followed for key projects, from initial concept to final implementation.

• Documentation of how user feedback and test results were integrated into iterative design cycles.

• Examples of collaboration workflows with product managers, developers, and other stakeholders in an Agile setting.

• Visual documentation of wireframes, user flows, prototypes, and final mockups, explaining design decisions and rationale.

📝 Enhancement Note: While not explicitly stated as "portfolio requirements," the job description details specific areas of expertise (management, user research, design systems, testing, wireframing, prototyping, mockups) that necessitate concrete examples within a candidate's portfolio. A strong portfolio will be essential to validate these claimed skills and demonstrate a structured approach to product design and team leadership.

💵 Compensation & Benefits

Salary Range:

Benefits:

• Dynamic communities: Access to professional networks and communities within NEXTON for knowledge sharing and support.

• Meet Ups: Opportunities to attend regular professional development events and networking sessions.

• Training: Access to ongoing training programs to enhance skills and advance career development.

• Sports and festive events: Company-sponsored activities promoting work-life balance and team cohesion.

• Sustainable mobility package: Support for eco-friendly commuting options.

• Latest generation phone: Provision of a modern mobile device for professional use.

• Full-time employment (CDI): Secure, long-term employment contract.

Working Hours:

• Standard full-time working hours, likely around 35-40 hours per week, common in France. Flexibility may be influenced by client-site requirements and Agile team dynamics.

📝 Enhancement Note: The salary range is an estimate based on French market data for senior design roles with management experience, adjusted for the consulting industry and location. The listed benefits are directly from the provided text, emphasizing professional development and employee well-being.

🎯 Team & Company Context

🏢 Company Culture

Industry: Consulting, Digital Transformation, IT Services (ESN), Design Agency. NEXTON operates at the intersection of these fields, positioning itself as a hybrid firm that blends strategic consulting with creative agency execution and IT service delivery.

Company Size: Over 450 experts. This indicates a mid-to-large-sized firm, offering a substantial network and diverse project opportunities.

Founded: 2011. This suggests a company with established experience and growth, likely with well-defined processes and a mature organizational structure.

Team Structure:

• The Senior Product Designer will lead a dedicated UX/UI design team within the client's IT department.

• This team likely reports to a higher-level IT or Digital Transformation manager within the client organization.

• Collaboration will be extensive with product teams, development teams, and potentially marketing or business stakeholders at the client site.

Methodology:

• Data Analysis and Insights: A strong emphasis on user research and test analysis to drive design decisions.

• Workflow Planning and Optimization: Designing user journeys and optimizing experiences based on user needs and business objectives.

• Automation and Efficiency Practices: While not explicitly stated for design, the Agile environment and the nature of IT departments imply a focus on efficient workflows and tool utilization.

Company Website: [NEXTON Company Website - not provided, but can be inferred from domain_derived "nexton.com"]

📝 Enhancement Note: The company description highlights a unique blend of consulting, creativity, and IT services. This implies a dynamic environment where designers are exposed to various client challenges and project types, requiring adaptability and strong problem-solving skills. The "ecosystème riche en connaissances" suggests a culture of continuous learning and collaboration.

📈 Career & Growth Analysis

Operations Career Level: Senior Product Designer. This role is positioned at a senior individual contributor level with explicit team leadership and strategic responsibilities. It signifies a transition from solely executing design tasks to guiding design direction and managing design talent.

Reporting Structure: The Senior Product Designer will likely report to a Head of Design, VP of Product, or a senior IT/Digital Transformation lead at the client company. Within NEXTON, they would be part of the expert community, potentially reporting to a practice lead or manager for professional development and client assignment management.

Operations Impact: This role has a direct impact on the usability, adoption, and overall success of digital products and services developed for clients. By ensuring optimal user experiences, the Senior Product Designer contributes to client satisfaction, customer retention, and ultimately, the achievement of business goals like user engagement and conversion rates.

Growth Opportunities:

• Leadership Development: Opportunity to hone management and team leadership skills by guiding a UX/UI team.

• Strategic Design Influence: Chance to shape the design strategy for significant projects and influence product roadmaps.

• Diverse Project Exposure: Working with large clients like SNCF, Orange, and BNP Paribas provides exposure to a wide range of industries and complex design challenges.

• Skill Specialization: Deepening expertise in areas like design systems, user research, and Agile methodologies.

• Career Progression: Potential to advance into roles such as Head of Design, Design Director, or Product Management, either within client organizations or at NEXTON.

📝 Enhancement Note: The role offers significant growth potential by combining hands-on design work with team leadership and strategic influence, a common path for experienced designers looking to expand their impact and career trajectory.

🌐 Work Environment

Office Type: The role is based on-site at a client's location in Lille. This implies working within the client's established office environment, which could range from a modern corporate campus to a more traditional office setting.

Office Location(s): Lille, Hauts-de-France, France. This is a major city in Northern France, known for its business and tech presence.

Workspace Context:

• Collaborative Environment: The description emphasizes working in Agile teams and collaborating with product and development teams, suggesting an open and interactive workspace.

• Operations Tools and Technology: Access to industry-standard design tools like Figma, Sketch, and Adobe Suite is a given. The client's IT department will likely provide the necessary hardware and software infrastructure.

• Team Interaction: Opportunities for direct interaction with the design team, product managers, developers, and potentially other stakeholders on a daily basis.

Work Schedule: Standard full-time hours, likely within typical French business hours (e.g., 9 AM to 5 PM or similar), with potential for flexibility depending on client needs and Agile sprint cycles.

📝 Enhancement Note: The on-site nature of the role means the candidate will be immersed in the client's specific work culture and environment, which can offer unique learning and networking opportunities.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Review of CV and portfolio to assess experience, skills, and fit with the role's requirements.

• Technical/Design Interview: Discussion of design philosophy, process, and case studies from the portfolio. This may involve challenges related to user research, wireframing, or problem-solving.

• Team/Manager Interview: Assessment of leadership capabilities, team management approach, and cultural fit with both NEXTON and the client organization.

• Client Stakeholder Interview: Potential meeting with key stakeholders at the client site to discuss project alignment and strategic vision.

Portfolio Review Tips:

• Showcase Leadership: Highlight projects where you led a design team, managed design strategy, or mentored junior designers.

• Emphasize Product Vision: Clearly articulate your role in defining or contributing to the product vision and how your design decisions supported it.

• Detail User-Centricity: For each case study, explain the user research conducted, the insights gained, and how these directly informed your design solutions, particularly focusing on the user journey.

• Demonstrate Process: Walk through your end-to-end design process, from problem definition and research to ideation, prototyping, testing, and iteration.

• Highlight Tool Proficiency: Be ready to discuss your experience with Figma, Sketch, and Adobe Suite, and how you leverage them for efficiency and collaboration.

• Agile Context: Explain how you have successfully operated within Agile development frameworks.

Challenge Preparation:

• Be prepared for potential design challenges that might involve solving a specific user problem, evaluating an existing interface, or sketching out a user flow for a given scenario.

• Practice articulating your thought process clearly and concisely, explaining your rationale for design decisions.

• Prepare to discuss how you would manage a design team, delegate tasks, and provide constructive feedback.

📝 Enhancement Note: The emphasis on "leadership," "product vision," and "user journey" means interviewers will look for evidence of strategic thinking and people management skills, not just execution capabilities. A well-structured portfolio that clearly demonstrates these aspects will be crucial.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Essential for collaborative design, wireframing, prototyping, and UI design. Expected to be used for day-to-day design work and team collaboration.

• Sketch: Another industry-standard UI design tool; proficiency alongside Figma is often beneficial.

• Adobe Creative Suite: Includes tools like Photoshop and Illustrator, likely used for image editing, asset creation, and potentially more complex visual design tasks.

Analytics & Reporting:

CRM & Automation:

• Not directly applicable to the Senior Product Designer role's core responsibilities, but an understanding of how CRM systems and marketing automation tools might influence user journeys or customer interactions could be a plus.

📝 Enhancement Note: The explicit mention of Figma, Sketch, and Adobe Suite indicates the core technical requirements for this role. Candidates should be prepared to discuss their proficiency and experience with these tools in detail.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A core value, prioritizing the user journey and experience above all else.

• Collaboration: Strong emphasis on teamwork, working closely with product, development, and other stakeholders.

• Innovation & Creativity: Encouraging innovative digital solutions and creative problem-solving.

• Agile Mindset: Embracing flexibility, iterative development, and continuous improvement.

• Expertise & Continuous Learning: Fostering a culture of knowledge sharing and ongoing skill development among its experts.

Collaboration Style:

• Cross-functional Integration: Seamless collaboration with product managers, developers, and business stakeholders to ensure alignment and successful product delivery.

• Process Review & Feedback: Openness to constructive feedback and iterative design processes, involving regular check-ins and reviews.

• Knowledge Sharing: Active participation in communities of practice and meet-ups to share best practices and learn from peers.

📝 Enhancement Note: The company's hybrid model (consulting, agency, ESN) suggests a culture that values both client-focused delivery and internal professional development. The emphasis on collaboration and user-centricity is key for success in this role.

⚡ Challenges & Growth Opportunities

Challenges:

• Managing Client Expectations: Balancing the needs and demands of large enterprise clients with user best practices and project constraints.

• Team Dynamics: Effectively leading and motivating a design team, potentially with varying levels of experience and skill sets.

• Cross-Functional Alignment: Ensuring buy-in and alignment on design strategies across diverse departments and stakeholders.

• Rapidly Evolving Technologies: Staying current with new design tools, methodologies, and digital trends.

Learning & Development Opportunities:

• Operations Skill Advancement: Opportunities to deepen expertise in advanced user research techniques, complex design systems, and product strategy.

• Industry Conference and Certification Participation: Access to events and training that can lead to certifications and broader industry recognition.

• Operations Mentorship and Leadership: Potential for mentorship from senior leaders within NEXTON or client organizations, and opportunities to develop leadership capabilities.

📝 Enhancement Note: This role presents a significant opportunity for growth by tackling complex client challenges and leading a design team, which are valuable experiences for advancing a career in product design and leadership.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to lead a design team through a difficult project. What was your approach, and what was the outcome?" (Focus on leadership, problem-solving, and team management.)

• "How do you balance user needs with business objectives and technical constraints in your design process?" (Assess strategic thinking and trade-off management.)

Company & Culture Questions:

• "What attracts you to NEXTON's model of consulting, creativity, and IT expertise?" (Show understanding of the company's unique positioning.)

• "How do you foster a collaborative and innovative environment within a design team?" (Demonstrate cultural fit and leadership style.)

Portfolio Presentation Strategy:

• Structure Your Narrative: For each case study, clearly outline the problem, your role, the process, the solution, and the results (quantifiable if possible).

• Highlight Leadership: Emphasize instances where you led the team, mentored others, or drove strategic design decisions.

• Show, Don't Just Tell: Use visuals (wireframes, prototypes, mockups) to illustrate your points and make your process tangible.

• Focus on User Journey: Clearly articulate how your designs addressed specific user needs and improved their experience.

• Be Prepared for Deep Dives: Anticipate questions about specific design choices, research methodologies, and challenges overcome.

📝 Enhancement Note: Interviewers will be looking for how you apply your design expertise in a leadership capacity, within a client-facing context, and in an Agile environment. Be ready to discuss your strategic thinking, team management, and user advocacy.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit your application through the provided link on jobs.smartrecruiters.com.

• Portfolio Customization: Tailor your portfolio to prominently feature your leadership experience, strategic design thinking, and user research insights, aligning with the requirements for managing a team and driving product vision.

• Resume Optimization: Ensure your resume clearly highlights your 5+ years of experience, management responsibilities, expertise in Figma, Sketch, Adobe Suite, user research, and Agile methodologies, using keywords from the job description.

• Interview Preparation: Practice articulating your design process, leadership approach, and problem-solving skills. Prepare specific examples for behavioral questions, and be ready to present your portfolio with a focus on user journeys and strategic impact.

• Company Research: Familiarize yourself with NEXTON's business model, client portfolio (SNCF, Orange, BNP Paribas), and culture. Understand how a Senior Product Designer contributes to a consulting firm's success and client satisfaction.

⚠️ 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.