UX/UI DESIGNER H/F

📍 Job Overview

Job Title: UX/UI Designer H/F

Company: NEXTON

Location: Paris, Île-de-France, France

Job Type: Temps complet (Full-time)

Category: Digital Design / Product Design Operations

Date Posted: 2026-09-08

Experience Level: 5-10 years

Remote Status: On-site

🚀 Role Summary

• This role focuses on the end-to-end design and execution of digital interfaces, emphasizing user experience and visual coherence.

• It involves close collaboration with cross-functional teams, including Product Owners and Developers, within an Agile framework.

• A key aspect is the utilization and contribution to a Design System for consistent and efficient interface development.

• The position requires a strong understanding of both UX principles and UI execution to translate business needs into intuitive and engaging digital products.

📝 Enhancement Note: While the title is UX/UI Designer, the responsibilities heavily lean into UI execution and product-centric design within an Agile team, suggesting a role that bridges traditional UX research with a strong focus on interface implementation and Design System adherence. The emphasis on high-fidelity mockups and prototypes points to a hands-on design role.

📈 Primary Responsibilities

• Design and produce high-fidelity digital interfaces, ensuring a fluid, intuitive, and coherent user experience.

• Create visually appealing and user-friendly interfaces that adhere to established UI guidelines and leverage components from the Design System.

• Adapt and refine existing user journeys, proposing relevant, modern, and user-centric UI solutions.

• Develop interactive prototypes to effectively visualize interface designs and facilitate clear communication with Product and Development teams.

• Ensure graphic and functional consistency of interfaces across all user journeys and platforms.

• Actively participate in the continuous improvement of the Design System, contributing to the creation or evolution of components as needed.

• Collaborate closely with Developers to ensure accurate implementation of interfaces and maintain design integrity.

• Incorporate user feedback, available data, and business constraints to continuously optimize interface designs.

• Potentially contribute to UX research phases, focusing on understanding user needs, behaviors, and optimal journey design.

📝 Enhancement Note: The responsibilities highlight a strong UI focus with an emphasis on Design System usage and collaboration. The mention of potential UX involvement suggests that while the core is UI, a broader understanding of user needs is valued. The iterative nature of optimizing interfaces based on feedback indicates a process-oriented approach common in operations roles.

🎓 Skills & Qualifications

Education: Specific educational requirements are not detailed, but a background in Design, Human-Computer Interaction, or a related field is implied.

Experience: Minimum of 8 years of experience as a UX/UI Designer or Product Designer, demonstrated through various projects.

Required Skills:

• Proficient in UX/UI design methodologies.

• Expertise in creating high-fidelity mockups and screens.

• Experience with interactive prototyping.

• Strong understanding and practical application of Design Systems.

• Ability to work effectively within an Agile development environment.

• Excellent communication and collaboration skills.

• Keen observation of market trends, design innovations, and technological advancements.

• Adaptability to evolving project needs and user feedback. Preferred Skills:

• Experience in user research and user journey mapping.

• Familiarity with a wide range of design and prototyping tools (e.g., Figma, Sketch, Adobe XD).

• Understanding of front-end development principles to facilitate collaboration with developers.

• Contributions to open-source design systems or community-driven design initiatives.

📝 Enhancement Note: The requirement for 8+ years of experience suggests a senior-level role, implying a need for strategic thinking beyond just execution. The emphasis on observing market trends and technological novelties points to a proactive approach to design evolution, a key trait in operations roles focused on continuous improvement.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a range of digital interfaces designed for various platforms (web, mobile).

• Include case studies detailing the design process from conception to final implementation, highlighting UI execution and Design System integration.

• Demonstrate proficiency in creating high-fidelity mockups and interactive prototypes.

• Present examples of contributions to or utilization of Design Systems, illustrating component design and consistency.

• Highlight projects completed within an Agile framework, showing collaboration with Product Owners and Developers. Process Documentation:

• Detail the process for translating user needs and business requirements into intuitive UI designs.

• Illustrate methods for ensuring UI consistency and adherence to Design System principles across projects.

• Explain how user feedback and data are incorporated into the iterative design and optimization process.

• Showcase the workflow for collaborating with development teams to ensure accurate implementation of designs.

📝 Enhancement Note: For a role with this experience level and focus on Design Systems, a portfolio is critical. It should not just display final visuals but also the underlying process, demonstrating problem-solving, collaboration within an Agile context, and a deep understanding of how to leverage and contribute to a Design System for operational efficiency.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for experienced UX/UI Designers (5-10 years) in Paris, France, the estimated annual salary range is €55,000 - €75,000. This estimate considers the cost of living in Paris and the specific requirements of the role, including the senior experience level and the focus on Design Systems and Agile methodologies.

Benefits:

• Dynamic communities for professional networking and support.

• Regular Meetups dedicated to skill development and knowledge sharing.

• Comprehensive training programs for continuous learning and career advancement.

• Opportunities for sports and festive events to foster team cohesion and well-being.

• A sustainable mobility allowance to support commuting and encourage eco-friendly transportation.

• Provision of a latest-generation smartphone for work-related communication and productivity.

Working Hours: The role is full-time, with an estimated 40 hours per week, aligning with standard French working hours. Flexibility may be available depending on project needs and team agreements within the Agile framework.

📝 Enhancement Note: The salary estimate is based on research from French job boards and salary aggregators for UX/UI Design roles in Paris with 8+ years of experience. The benefits are directly extracted from the provided text, highlighting aspects that support professional growth and work-life balance, which are attractive to operations professionals seeking stability and development.

🎯 Team & Company Context

🏢 Company Culture

Industry: NEXTON operates within the Digital Consulting and IT Services (ESN) sector, with a strong focus on digital transformation, design, agility, and product development. They serve large accounts and pure players like SNCF, Orange, and BNP Paribas.

Company Size: Over 450 experts, indicating a medium to large-sized firm that offers a structured environment with opportunities for diverse project exposure.

Founded: Founded in 2011, NEXTON has a decade of experience in the digital consulting space, suggesting a stable and established company with a proven track record.

Team Structure:

• The UX/UI Designer will be part of a multidisciplinary team, likely including Product Owners, UX Designers, and Developers, working in an Agile setup.

• The company fosters an ecosystem of diverse knowledge and skills, implying a collaborative and learning-oriented environment.

• Reporting structure is not explicitly defined but is typical for an Agile team, with close collaboration with a Product Owner and potentially a Design Lead or Manager. Methodology:

• Agile methodologies are central to the team's workflow, emphasizing iterative development and continuous collaboration.

• Design System utilization is a core operational practice for ensuring consistency and efficiency.

• A data-driven approach is implied through the need to consider user feedback and available data for optimization.

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

📝 Enhancement Note: NEXTON's positioning as a blend of consulting, creative agency, and ESN suggests a dynamic work environment that values expertise and innovation. The company size and client base imply exposure to large-scale digital transformation projects, which are key areas for operations professionals.

📈 Career & Growth Analysis

Operations Career Level: This role represents a Senior Designer position within the digital product development lifecycle. It requires not only strong execution skills but also the ability to contribute strategically to Design Systems and collaborate effectively in complex project environments.

Reporting Structure: The designer will likely report to a Design Manager or Head of Design, while working day-to-day within an Agile squad alongside Product Owners and Developers. This structure emphasizes autonomy within a collaborative framework.

Operations Impact: The UX/UI Designer's work directly impacts the usability, engagement, and overall success of digital products. By ensuring intuitive interfaces and a consistent user experience, they contribute to customer satisfaction, adoption rates, and ultimately, business objectives related to digital platforms.

Growth Opportunities:

• Specialization: Deepen expertise in UI design, Design Systems, or expand into more advanced UX research and strategy.

• Leadership: Transition into a Design Lead role, mentoring junior designers and overseeing design strategy for projects.

• Skill Development: Continuously learn new design tools, methodologies, and emerging technologies through company-provided training and meetups.

• Project Variety: Gain exposure to diverse client projects across different industries, broadening practical experience and problem-solving capabilities.

📝 Enhancement Note: The role offers clear paths for specialization and leadership within the design function, which is crucial for operations professionals seeking long-term career development. The emphasis on continuous learning aligns with the need for operations roles to stay updated with technological advancements and best practices.

🌐 Work Environment

Office Type: The role is based on-site in Paris, suggesting a traditional office environment conducive to collaboration and team interaction.

Office Location(s): Paris, France. Specific office details are not provided but are expected to be in a major business district within Paris.

Workspace Context:

• The environment is Agile, fostering close collaboration between designers, product owners, and developers, promoting a dynamic and iterative workflow.

• Access to modern design tools and technologies is implied, essential for executing high-fidelity mockups and prototypes.

• Opportunities for direct interaction with cross-functional teams are abundant, facilitating knowledge sharing and collective problem-solving.

Work Schedule: A standard full-time work schedule of approximately 40 hours per week is expected. The Agile framework may offer some flexibility in daily scheduling, but on-site presence is required.

📝 Enhancement Note: The on-site requirement in Paris suggests a professional office setting, likely with modern amenities and a focus on collaborative workspaces that are typical for consulting and tech firms. This environment is well-suited for operations roles that benefit from direct team interaction and access to resources.

📄 Application & Portfolio Review Process

Interview Process:

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

• Technical Interview: Likely involves a discussion about your design process, experience with Design Systems, and Agile methodologies. You may be asked to walk through specific case studies from your portfolio.

• Case Study/Challenge: A practical design exercise, potentially involving a UI challenge or a task to improve an existing interface, to evaluate your problem-solving skills and design execution.

• Cultural Fit Interview: Discussion with team members or managers to assess your communication style, collaboration approach, and alignment with NEXTON's values.

Portfolio Review Tips:

• Highlight Design System Contributions: Clearly showcase any experience with creating, maintaining, or heavily utilizing Design Systems. Explain the impact of these systems on project efficiency and consistency.

• Showcase Process and Rationale: For each project, detail your thought process, the problems you aimed to solve, the user research conducted (if any), and the rationale behind your UI decisions.

• Demonstrate UI Execution: Present high-fidelity mockups and interactive prototypes that are polished, detailed, and clearly articulate the user experience.

• Quantify Impact: Where possible, include metrics or outcomes that demonstrate the success of your designs (e.g., improved conversion rates, user satisfaction scores, reduced development time due to Design System).

• Tailor to the Role: Emphasize projects that align with NEXTON's client base and the described responsibilities, particularly those involving large-scale digital products and Agile teams.

Challenge Preparation:

• Be prepared to discuss your approach to common UI challenges, such as ensuring accessibility, responsive design, and maintaining consistency across different platforms.

• Practice articulating your design decisions clearly and concisely, focusing on user needs and business objectives.

• Familiarize yourself with NEXTON's clients and recent digital trends in their respective industries to inform your problem-solving approach.

📝 Enhancement Note: The emphasis on a portfolio and potential design challenges highlights the practical, results-oriented nature of this role, common in operations. Candidates should prepare to demonstrate not just creative skills but also process efficiency and collaborative capabilities.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Proficiency in industry-standard tools is essential. While not explicitly listed, expect tools like Figma, Sketch, Adobe XD, InVision, or similar for creating high-fidelity mockups and interactive prototypes.

• Design System Management: Tools or platforms used for managing and documenting design system components (e.g., Storybook, Zeroheight, or internal documentation systems).

• Collaboration Tools: Platforms for team communication and project management, such as Slack, Microsoft Teams, Jira, Confluence, Trello.

Analytics & Reporting:

• While not directly responsible for analytics, understanding how to interpret user data and feedback is crucial. Familiarity with tools like Google Analytics, Hotjar, or Amplitude may be beneficial for informing design decisions. CRM & Automation:

• Not directly applicable to this design role, but understanding how design interfaces integrate with backend systems and user management processes is advantageous.

📝 Enhancement Note: The core technology stack revolves around design and prototyping tools, with a strong emphasis on Design Systems. Proficiency in these tools is a prerequisite. Understanding how design impacts user journeys and business metrics, even indirectly, is a valuable operational perspective.

👥 Team Culture & Values

Operations Values:

• Collaboration: A strong emphasis on working closely with Product Owners, Developers, and other stakeholders within an Agile framework.

• User-Centricity: A commitment to understanding user needs and translating them into intuitive and engaging digital experiences.

• Efficiency & Consistency: Dedication to leveraging Design Systems and best practices to ensure efficient development and consistent brand experiences.

• Continuous Improvement: A proactive approach to gathering feedback and optimizing designs and processes.

• Innovation: Staying abreast of design trends and technological advancements to bring fresh ideas to projects.

Collaboration Style:

• Agile and Iterative: Working in short sprints, with regular feedback loops and adjustments based on team input and user insights.

• Cross-Functional: Seamless integration with Product and Development teams, fostering mutual understanding and shared ownership of product success.

• Open Communication: Encouraging transparent dialogue, constructive feedback, and knowledge sharing to drive collective problem-solving and design excellence.

📝 Enhancement Note: NEXTON's culture appears to value a blend of technical expertise, collaborative teamwork, and a focus on delivering tangible value through digital products. These values are highly compatible with the operational mindset of driving efficiency and achieving measurable outcomes.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Design Vision with Constraints: Effectively translating creative ideas into feasible UI solutions that meet technical, business, and timeline constraints within an Agile process.

• Maintaining Design System Integrity: Ensuring consistent application of the Design System across a growing number of features and projects, and managing component evolution.

• Adapting to Evolving Technologies: Keeping pace with rapid changes in design tools, front-end technologies, and user expectations.

• Cross-Functional Alignment: Navigating different priorities and perspectives among Product, Development, and Business stakeholders to achieve consensus on design direction.

Learning & Development Opportunities:

• Design System Specialization: Opportunities to become a subject matter expert in Design Systems, potentially leading their evolution and adoption.

• Advanced UX/UI Techniques: Access to training and workshops on cutting-edge UX research methods, interaction design patterns, and visual design trends.

• Agile Coaching: Gaining deeper insights into Agile methodologies and potentially contributing to process improvements within the team.

• Client Exposure: Working with a diverse range of clients provides exposure to various industries and business challenges, broadening problem-solving skills.

📝 Enhancement Note: The challenges presented are common in senior design roles and offer significant opportunities for growth. Addressing these challenges effectively requires strong operational skills in process management, stakeholder communication, and continuous learning.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to balance a strong design vision with significant technical or business constraints. How did you approach it, and what was the outcome?" (Focus on problem-solving, negotiation, and compromise).

• "How do you approach contributing to or evolving a Design System? What are the key considerations for ensuring its adoption and effectiveness?" (Highlight process, collaboration, and impact).

• "Walk me through a complex UI project from your portfolio. What were the key challenges, your design process, and the impact of your work?" (Prepare a detailed case study with a focus on UI execution and rationale). Company & Culture Questions:

• "What interests you about NEXTON and our approach to digital innovation and consulting?" (Research their clients, projects, and company values).

• "How do you collaborate with Product Owners and Developers in an Agile environment? Can you provide an example?" (Emphasize teamwork, communication, and shared goals).

• "How do you ensure consistency and quality in your UI designs, especially when working with a Design System?" (Discuss your methods for quality assurance and adherence to guidelines). Portfolio Presentation Strategy:

• Structure: Organize your portfolio logically, with clear case studies for 2-3 key projects.

• Narrative: For each case study, tell a story: the problem, your approach, your solutions, and the results. Emphasize your role and contributions.

• Visuals: Use high-quality mockups and interactive prototypes. Show the evolution of your designs where relevant.

• Process Focus: Detail your design process, including any user research, wireframing, prototyping, and testing phases. Explain your rationale for key decisions.

• Design System Integration: Explicitly discuss how you utilized or contributed to Design Systems, demonstrating your understanding of its operational benefits.

• Conciseness: Be prepared to present your portfolio efficiently, focusing on the most relevant aspects for the role.

📝 Enhancement Note: Interview preparation should focus on demonstrating not only design skills but also the ability to operate effectively within a structured, collaborative, and results-driven environment, mirroring the expectations of operations roles.

📌 Application Steps

To apply for this UX/UI Designer position:

• Submit your application through the provided link on SmartRecruiters.

• Tailor your Resume: Highlight your 8+ years of experience in UX/UI or Product Design, explicitly mentioning your work with Design Systems, Agile methodologies, and cross-functional collaboration. Use keywords from the job description.

• Curate your Portfolio: Select projects that best showcase your high-fidelity UI design skills, prototyping abilities, and experience with Design Systems. Prepare to walk through 2-3 key case studies in detail, focusing on your process and impact.

• Prepare for Interview Questions: Practice answering behavioral and technical questions related to your design process, collaboration, and experience with Agile and Design Systems. Be ready to discuss your portfolio and any design challenges.

• Research NEXTON: Understand their company mission, values, client base, and recent projects. This will help you tailor your responses and demonstrate genuine interest in the role and company culture.

⚠️ 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.