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

Category: Product Design & UX/UI

Date Posted: August 25, 2026

Experience Level: 5-10 years

Remote Status: On-site

🚀 Role Summary

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

• Drive product strategy through deep user research, usability testing, and a strong product vision.

• Ensure cohesive and optimized user experiences across diverse projects by overseeing wireframing, prototyping, and maquettage.

• Champion the adoption and maintenance of design systems to ensure consistency and scalability.

• Collaborate closely with product and development teams in an Agile framework to deliver impactful digital solutions.

📝 Enhancement Note: This role is positioned as a senior-level Product Designer with significant leadership responsibilities, requiring not only design expertise but also team management and strategic input within an IT UX/UI design department for a client. The emphasis on "vision produit" and "parcours utilisateur avant interface" highlights a strategic, user-centric approach to design.

📈 Primary Responsibilities

• Manage and mentor a team of UX/UI designers, providing guidance, feedback, and professional development support.

• Oversee and actively participate in user research initiatives, including qualitative and quantitative data collection and analysis.

• Direct the design strategy in alignment with product teams and business objectives, ensuring a holistic product vision.

• Analyze results from user testing sessions and provide actionable recommendations for design improvements and feature enhancements.

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

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

• Conduct maquettage (mock-up creation) to visualize final product interfaces and user interactions.

• Contribute to the development and maintenance of robust design systems.

• Facilitate and animate user testing sessions, translating findings into practical design solutions.

• Work effectively within an Agile development methodology, collaborating closely with cross-functional teams.

📝 Enhancement Note: The responsibilities clearly indicate a blend of leadership, strategic design thinking, hands-on design execution, and deep user advocacy, aligning with senior product design roles that require both technical proficiency and team oversight.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong portfolio and demonstrated experience in Product Design, UX/UI, or a related field are implicitly required.

Experience: A minimum of 5 years of significant experience as a Product Designer within an industrial sector, with a proven product vision.

Required Skills:

• Proven experience in team management and leadership within a design context.

• Expertise in conducting and analyzing user research (qualitative and quantitative).

• Strong understanding and application of design system principles and implementation.

• Proficiency in facilitating and animating user testing sessions.

• Mastery of interface design tools: Figma, Sketch.

• Proficiency with the Adobe Creative Suite.

• Experience working in an Agile team environment.

• Deep understanding of user journeys and user-centric design principles.

• Excellent communication and collaboration skills. Preferred Skills:

• Good command of English for potential international client or team interactions.

• Experience in digital innovation strategies.

• Background in consulting or ESN (Entreprise de Services Numériques) environments.

📝 Enhancement Note: The qualifications emphasize a blend of leadership, strategic product thinking, and technical design tool proficiency, consistent with a senior-level product design role. The "petit plus" for English suggests potential for broader project scope or client interaction.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

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

• Case studies demonstrating leadership in managing design teams and driving design strategy.

• Examples of user research methodologies applied and insights derived.

• Demonstrations of design system implementation and maintenance.

• Prototypes and wireframes illustrating complex user journeys and interface design solutions.

• Evidence of working within Agile frameworks and collaborating with cross-functional teams.

• Examples of how user testing feedback was incorporated to improve product design. Process Documentation:

• Showcase experience in documenting user research findings and translating them into actionable design recommendations.

• Present examples of design process workflows, from initial concept to final wireframes and prototypes.

• Illustrate how design systems are documented and maintained for consistency and scalability.

• Demonstrate experience in articulating design decisions and processes to stakeholders.

📝 Enhancement Note: For a senior product design role, a portfolio is paramount. The emphasis should be on strategic impact, leadership, and the ability to translate complex user needs into effective, scalable design solutions, particularly within an industrial context.

💵 Compensation & Benefits

Salary Range: Given the senior level (5+ years experience), location in Lille, France, and the specialized nature of the role (Product Designer Senior H/F with management responsibilities), a competitive salary range in the French market would typically fall between €50,000 - €75,000 annually, depending on the exact scope of responsibilities, client project complexity, and candidate's specific expertise.

Benefits:

• Dynamic communities for professional networking and support.

• Regular Meetups for skill development and knowledge sharing.

• Access to professional training programs for continuous learning and career advancement.

• Participation in sports and festive events for employee well-being and team building.

• Sustainable mobility allowance to support eco-friendly commuting.

• Provision of a latest-generation smartphone for professional use.

Working Hours: The standard working hours for a full-time position in France are typically 35-40 hours per week. This role is listed as full-time (Temps complet).

📝 Enhancement Note: Salary estimation is based on industry benchmarks for senior product designers in France, considering the specified experience level and location. Benefits are directly extracted from the provided text, highlighting NEXTON's commitment to employee development and work-life balance.

🎯 Team & Company Context

🏢 Company Culture

Industry: NEXTON operates within the Digital Transformation, Consulting, and IT Services (ESN) sectors, partnering with major clients like SNCF, Orange, and BNP Paribas. This indicates a dynamic, client-facing environment focused on innovation and digital strategy.

Company Size: Over 450 experts, indicating a medium-to-large sized organization with established processes and a significant market presence.

Founded: Founded in 2011, NEXTON has a decade of experience in the digital consulting space, suggesting a mature yet agile company culture.

Team Structure:

• The candidate will join the IT UX/UI design department of NEXTON's client, leading a team of UX/UI designers.

• This implies a hierarchical structure within the client's IT department, with the senior designer reporting to a higher-level manager (e.g., Head of Design, IT Director).

• Close collaboration with product teams, development teams, and potentially other departments within the client organization is expected. Methodology:

• Emphasis on Agile methodology for project execution.

• Focus on user research, design systems, and user-centric design principles.

• A blend of consulting expertise, creative "Factory" approaches, and ESN dynamics.

Company Website: https://www.nexton.com/

📝 Enhancement Note: The company culture is described as a convergence of consulting, creative factory, and ESN dynamics, suggesting a results-oriented, innovative, and collaborative environment. The client focus implies adaptability and a strong understanding of business needs.

📈 Career & Growth Analysis

Operations Career Level: This role is a Senior Product Designer, encompassing leadership and strategic responsibilities. It's a key position within the IT UX/UI design department, requiring both deep design expertise and management capabilities.

Reporting Structure: The senior designer will likely report to a Head of Design, IT Director, or a similar senior leadership role within the client organization. They will directly manage a team of UX/UI designers.

Operations Impact: The role has a direct impact on the user experience and product success for major clients. By leading design strategy and ensuring optimal user journeys, this position contributes significantly to client satisfaction, product adoption, and ultimately, business outcomes.

Growth Opportunities:

• Leadership Development: Opportunity to grow as a design leader, managing and developing a team, and influencing design direction at a client level.

• Skill Specialization: Deepen expertise in specific areas like design systems, user research methodologies, or product strategy within diverse industrial projects.

• Cross-Functional Exposure: Gain extensive experience collaborating with various client departments, enhancing understanding of broader business operations and digital transformation initiatives.

• Mentorship: Potential to mentor junior designers and contribute to the growth of the UX/UI community within NEXTON.

📝 Enhancement Note: The growth trajectory for a Senior Product Designer in this context involves moving into more strategic design leadership roles, potentially managing larger design teams, or specializing further in complex product ecosystems.

🌐 Work Environment

Office Type: The role is on-site in Lille, France, implying a professional office environment within the client's IT UX/UI design department.

Office Location(s): Lille, Hauts-de-France, France. This is a major city in Northern France, suggesting good accessibility and a vibrant professional community.

Workspace Context:

• Collaborative workspace designed for teamwork within the client's IT department.

• Access to necessary design tools and technology, including Figma, Sketch, and Adobe Suite.

• Opportunities for direct interaction with product managers, developers, and other stakeholders to foster a cohesive product development process.

• The environment is described as dynamic, with a focus on Agile methodologies.

Work Schedule: Full-time (Temps complet), likely adhering to standard business hours within the client's operational framework, with potential for flexibility as is common in Agile environments.

📝 Enhancement Note: The on-site requirement in Lille suggests a traditional office setting where in-person collaboration and team cohesion are prioritized, which is often beneficial for complex design projects and team management.

📄 Application & Portfolio Review Process

Interview Process:

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

• Technical Interview: Discussion focused on design philosophy, user research methodologies, design system expertise, and proficiency with design tools (Figma, Sketch, Adobe Suite). Expect questions about managing user testing and interpreting results.

• Leadership/Management Interview: Assessment of leadership style, experience mentoring designers, and ability to manage a team and drive design strategy. This may involve behavioral questions.

• Case Study Presentation: Candidates may be asked to present a past project from their portfolio, detailing their process, challenges, solutions, and impact, with a focus on product vision and user journey optimization.

• Client/Team Fit Interview: Evaluation of cultural fit with both NEXTON and the client's IT department, assessing collaboration and Agile working style.

Portfolio Review Tips:

• Curate your portfolio to prominently feature projects demonstrating leadership, strategic thinking, and a strong product vision.

• For each case study, clearly articulate the problem, your role, the process (including user research and testing), the design solutions, and the measurable impact.

• Highlight experience with design systems and how you've ensured consistency.

• Be prepared to discuss your approach to managing and mentoring other designers.

• Showcase your proficiency with Figma, Sketch, and the Adobe Suite through interactive prototypes or detailed mock-ups. Challenge Preparation:

• Be ready to discuss how you would approach leading a design team in an Agile environment.

• Prepare examples of how you've handled conflicting design opinions or stakeholder feedback.

• Think about how you would integrate a new design system or improve an existing one for a large client.

• Practice articulating your user-centric design philosophy and how it translates into tangible product improvements.

📝 Enhancement Note: The interview process will heavily rely on the candidate's portfolio to validate their senior-level experience, leadership capabilities, and design methodology. Preparation should focus on showcasing strategic impact and team management.

🛠 Tools & Technology Stack

Primary Tools:

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

• Sketch: A widely used vector design tool for UI design.

• Adobe Creative Suite: Includes Photoshop, Illustrator, and potentially XD, for various design tasks, image editing, and prototyping.

Analytics & Reporting:

• While not explicitly mentioned, familiarity with analytics platforms (e.g., Google Analytics, Amplitude, Mixpanel) to understand user behavior and inform design decisions would be beneficial.

• Experience with user testing feedback analysis tools. CRM & Automation:

• Not directly relevant to the core design role, but an understanding of how design integrates with product management and development workflows (e.g., Jira, Confluence) is implied by the Agile context.

📝 Enhancement Note: Proficiency with Figma and Sketch is critical. The Adobe Suite is also a requirement. Understanding how design tools integrate with development workflows is a key aspect of modern product design roles.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A core value, emphasizing that user needs and journeys are paramount in all design decisions.

• Collaboration: Strong emphasis on teamwork, cross-functional collaboration with product and development teams, and open communication.

• Innovation & Creativity: Encouragement to bring creative solutions and innovative approaches to digital challenges.

• Excellence & Quality: Commitment to delivering high-quality, polished design work and optimized user experiences.

• Agility: Adapting to changing project requirements and working efficiently within an Agile framework.

Collaboration Style:

• Cross-functional Integration: Active participation in Agile ceremonies and close partnerships with product managers, engineers, and client stakeholders.

• Feedback-Driven: Openness to receiving and providing constructive feedback to improve designs and processes.

• Knowledge Sharing: Encouragement to share insights, best practices, and learnings within the design team and wider organization.

• Mentorship: A culture of supporting and developing junior team members.

📝 Enhancement Note: The culture emphasizes a strong user focus, collaborative teamwork, and a drive for innovation within a structured, Agile environment, reflecting the needs of a consulting and ESN firm serving large clients.

⚡ Challenges & Growth Opportunities

Challenges:

• Client Management: Balancing the needs and expectations of a large client with design best practices and team capabilities.

• Team Leadership: Effectively motivating, guiding, and developing a team of UX/UI designers, potentially with diverse skill sets and experience levels.

• Design Consistency: Ensuring a coherent and high-quality user experience across multiple projects and potentially different product lines for the client.

• Rapid Iteration: Adapting to fast-paced project cycles and frequent feedback loops inherent in Agile development.

• Technical Constraints: Designing solutions that are feasible within client's existing technical infrastructure and development capabilities.

Learning & Development Opportunities:

• Advanced Design Leadership: Opportunities to hone management and strategic design skills through dedicated training or by leading larger initiatives.

• Industry Exposure: Working with prestigious clients like SNCF, Orange, and BNP Paribas provides exposure to diverse industries and complex digital challenges.

• Community Building: Engaging with NEXTON's internal design communities and meetups to learn from peers and share expertise.

• Skill Enhancement: Access to internal and external training programs to stay updated on the latest design trends, tools, and methodologies.

📝 Enhancement Note: The challenges are typical for senior roles in client-facing environments, requiring strong leadership, adaptability, and strategic problem-solving. Growth opportunities are tied to leadership development and exposure to high-impact projects.

💡 Interview Preparation

Strategy Questions:

• "Describe your philosophy on leading a UX/UI design team. How do you foster collaboration and professional growth?" (Focus on management style, team building, and mentorship.)

• "Walk us through a complex product design project where you had to define the overall design strategy. What was your process, and what was the outcome?" (Highlight strategic thinking, user research, and impact.)

• "How do you ensure design consistency and maintain a strong design system across multiple projects or products for a large client?" (Focus on process, tools, and governance.)

• "Describe a time you had to advocate for a user-centric design solution that faced resistance. How did you approach it?" (Demonstrate user advocacy and communication skills.) Company & Culture Questions:

• "What attracts you to NEXTON and this specific role within our client's IT department?" (Research NEXTON's values and client portfolio.)

• "How do you see yourself contributing to our Agile design process and collaborative culture?" (Emphasize teamwork and Agile experience.)

• "Based on your understanding of our client's industry, what are some potential UX/UI challenges you anticipate?" (Showcase industry awareness and foresight.) Portfolio Presentation Strategy:

• Structure: Organize your presentation logically: Problem -> Your Role -> Process (Research, Ideation, Design, Testing) -> Solution -> Impact -> Learnings.

• Narrative: Tell a compelling story for each case study, focusing on the "why" behind your decisions and the tangible results achieved.

• Visuals: Use high-quality mock-ups, wireframes, and prototypes. Show, don't just tell.

• Metrics: Quantify your impact whenever possible (e.g., conversion rate improvements, user satisfaction scores, task completion times).

• Leadership Emphasis: For this role, highlight instances where you led teams, mentored designers, or influenced strategic design decisions.

📝 Enhancement Note: Interview preparation should focus on demonstrating not only design craft but also leadership, strategic thinking, and a deep understanding of user-centric processes within an Agile, client-focused context.

📌 Application Steps

To apply for this Product Designer Senior H/F position:

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

• Portfolio Customization: Tailor your portfolio to highlight leadership experience, strategic product vision, and your work on complex industrial projects. Prioritize case studies demonstrating team management and design system implementation.

• Resume Optimization: Ensure your resume clearly articulates your 5+ years of experience as a Product Designer, specifically mentioning your expertise in management, user research, design systems, and proficiency with Figma, Sketch, and Adobe Suite. Use keywords from the job description.

• Interview Preparation: Practice presenting your portfolio case studies, focusing on your process, strategic contributions, and leadership skills. Prepare answers to common behavioral and situational questions related to team management and design challenges.

• Company Research: Familiarize yourself with NEXTON's company culture, mission, and the types of clients they serve. Understand the value proposition of a "cabinet de conseil, Factory, et ESN."

⚠️ Important Notice: This enhanced job description includes AI-generated insights and industry-standard assumptions based on the provided information. All details should be verified directly with NEXTON or the hiring manager before making application decisions.