UI DESIGNER - APP MOBILE H/F

📍 Job Overview

Job Title: UI Designer - App Mobile H/F
Company: NEXTON
Location: Montpellier, Occitanie, France
Job Type: Temps complet (Full-time)
Category: UI/UX Design, Digital Product Design
Date Posted: 2025-11-25
Experience Level: 5-10 years
Remote Status: On-site

🚀 Role Summary

• Design and develop high-performance, user-centric interfaces for mobile applications, adhering to a mobile-first and responsive design philosophy.
• Collaborate closely with UX Designers, Product Owners, and Developers within an Agile framework to deliver innovative digital solutions.
• Ensure design consistency and efficiency by leveraging and contributing to the company's Design System.
• Focus on user experience by considering accessibility standards and continuous product improvement.

📝 Enhancement Note: This role is specifically for a UI Designer with a strong emphasis on mobile applications. The description highlights the need for expertise in mobile-first design, responsive design principles, and integration with existing Design Systems, pointing to a role focused on the visual and interactive aspects of mobile product development within a structured, collaborative environment.

📈 Primary Responsibilities

• Conceptualize, design, and execute visually appealing and user-friendly interfaces for native and hybrid mobile applications.
• Translate user stories and wireframes into polished graphical designs, ensuring alignment with the established Design System components.
• Actively participate in Agile team rituals, including sprint planning, daily stand-ups, and retrospectives, to ensure seamless project flow.
• Conduct design reviews and provide constructive feedback on existing interfaces, proposing improvements to enhance user engagement and efficiency.
• Champion accessibility best practices throughout the design process, ensuring applications are usable by a diverse range of users.
• Maintain and contribute to the company's Design System, ensuring its components are up-to-date, well-documented, and consistently applied across projects.
• Collaborate with cross-functional teams to understand product requirements, user needs, and technical constraints, influencing design decisions.
• Stay abreast of the latest mobile design trends, emerging technologies, and market innovations to drive creative and forward-thinking design solutions.

📝 Enhancement Note: The primary responsibilities emphasize a hands-on design role with significant collaboration. The inclusion of "working at full time on the conception and continuous improvement of products" suggests a dedicated focus on the product lifecycle, rather than ad-hoc design tasks. The responsibility to "challenge the design" indicates an expectation for proactive contribution and critical thinking.

🎓 Skills & Qualifications

Education: While not explicitly stated, a relevant degree in Graphic Design, Interaction Design, Human-Computer Interaction, or a related field is typically expected for a UI Designer role with 5+ years of experience. Equivalent professional experience may also be considered.
Experience: Minimum of 5 years of professional experience as a UI Designer, with a significant focus on mobile application design (mobile-first approach).

Required Skills:

• Proficiency in UI design tools such as Figma, Sketch, Adobe XD, Invision, and Zeplin.
• Strong understanding of mobile-first and responsive design principles.
• Experience working with and contributing to Design Systems.
• Demonstrated ability to create visually appealing and intuitive mobile interfaces.
• Familiarity with Agile methodologies and cross-functional team collaboration.
• Excellent communication and interpersonal skills.
• User-centric design approach with a strong sense of proactivity.
• Creativity, innovation, and a keen eye for market trends and new technologies.

Preferred Skills:

• Knowledge of HTML/CSS, enabling better collaboration with developers and understanding of implementation constraints.
• Experience with accessibility standards and implementation in UI design.
• Ability to challenge and constructively critique design concepts.
• Experience in user experience (UX) research and user testing.

📝 Enhancement Note: The requirement for "at least 5 years of experience" as a "mobile first UI Designer" is a strong indicator of the seniority and specific expertise sought. The emphasis on "User Centric and Proactivity" as key personal attributes, alongside creative and innovative nature, suggests the company values designers who are not just executers but also strategic thinkers and problem-solvers within the design domain.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A curated portfolio showcasing a minimum of 3-5 key mobile application UI design projects.
• Each project should clearly articulate the design challenge, your role, the design process followed, and the final UI solutions.
• Demonstrations of mobile-first design principles and responsive design application across different screen sizes.
• Examples of UI components and their application within a Design System context.
• Visual evidence of user-centric design considerations, including how user needs were addressed.

Process Documentation:

• Case studies that detail the design workflow from initial concept to final design handoff.
• Explanation of how you collaborated with UX designers, product owners, and developers.
• Examples of how you utilized Design Systems and contributed to their evolution.
• Documentation of how accessibility considerations were integrated into the design process.
• Showcase of iterative design processes, including feedback incorporation and design refinements.

📝 Enhancement Note: Given the emphasis on mobile-first, Design Systems, and Agile methodologies, a portfolio should highlight the candidate's ability to work within a structured design framework. Demonstrating an understanding of how UI design integrates with the broader product development lifecycle and contributes to a cohesive user experience will be crucial. The mention of HTML/CSS as a plus suggests that candidates who can bridge the gap between design and development will be highly valued.

💵 Compensation & Benefits

Salary Range: Considering the location (Montpellier, France), the experience level (5-10 years), and the role's specialization in UI Design for Mobile Applications, an estimated annual gross salary range for this position could be €45,000 - €60,000. This estimate is based on industry benchmarks for experienced UI Designers in France, adjusted for regional cost of living and demand for specialized digital design skills.

Benefits:

• Dynamic Communities: Opportunities to connect and learn with fellow professionals within NEXTON's expert communities.
• Meetups: Regular events focused on skill development and knowledge sharing.
• Training: Access to ongoing training programs to enhance professional skills and career growth.
• Sporting and Festive Events: Company-organized activities to foster team spirit and employee well-being.
• Sustainable Mobility Package: Support for eco-friendly commuting options.
• Latest Generation Phone: Provision of a current-model mobile phone for professional use.

Working Hours: The job is advertised as "Temps complet" (Full-time), which typically equates to 35-40 hours per week in France. The specific daily schedule will be confirmed during the hiring process but is expected to align with standard business hours to facilitate team collaboration in an Agile environment.

📝 Enhancement Note: The salary estimate is based on French market data for experienced UI Designers, factoring in the specific skills requested (mobile-first, Design Systems) and the company's consulting/ESN profile, which often offers competitive compensation. The provided benefits are specific and aim to enhance the employee experience beyond standard offerings, reflecting a company culture that invests in its people.

🎯 Team & Company Context

🏢 Company Culture

Industry: NEXTON operates within the Digital Transformation, Consulting, and IT Services (ESN) sector. They specialize in helping large corporations and digital-native companies with their evolution and digital innovation strategies. This places them at the intersection of technology, business strategy, and creative design.
Company Size: Over 450 experts. This indicates a medium-to-large sized company with a significant presence, offering stability and a wide range of project opportunities, while still maintaining a dynamic and collaborative environment.
Founded: 2011. With over a decade of experience, NEXTON has established a solid reputation and a mature operational framework.

Team Structure:

• The UI Designer will be part of a multidisciplinary digital team, working alongside UX Designers, Product Owners, and Developers.
• The team operates using Agile methodologies, emphasizing close collaboration and iterative development.
• Reporting lines will likely be to a Design Lead or a Project Manager, with direct collaboration with Product Owners.

Methodology:

• Agile methodology is central to NEXTON's project execution.
• Emphasis on a blend of consulting expertise, creative agency approaches, and IT service company dynamics.
• Data-driven decision-making and a focus on innovation are key drivers of their client solutions.

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

📝 Enhancement Note: NEXTON positions itself as a unique entity combining consulting, creative agency, and IT service company strengths. This implies a culture that values both strategic thinking and hands-on execution, with a strong focus on digital innovation and client success. The team structure within an Agile framework suggests a highly collaborative and fast-paced working environment.

📈 Career & Growth Analysis

Operations Career Level: This role is for an experienced UI Designer, likely at a mid-to-senior level, given the 5+ years of experience requirement. The "mobile first" specialization indicates a focused career path within digital product design.
Reporting Structure: The UI Designer will report to a project lead or design manager and work collaboratively with UX Designers, Product Owners, and Developers. This structure facilitates direct impact and continuous feedback loops.
Operations Impact: As a UI Designer, your impact will be directly on the user experience and visual appeal of mobile applications. This translates to enhanced user engagement, customer satisfaction, and ultimately, the success of the digital products developed for NEXTON's clients. Your designs will be critical in driving client adoption and achieving business objectives.

Growth Opportunities:

• Skill Specialization: Deepen expertise in mobile UI design, accessibility, or contribute to advanced Design System development.
• Leadership Potential: Opportunity to mentor junior designers, lead design streams on projects, or move into a Design Lead role.
• Cross-Functional Development: Gain broader exposure to UX, product management, and development processes through Agile collaboration.
• Continuous Learning: Access to NEXTON's training programs, meetups, and communities to stay ahead of industry trends and technologies.

📝 Enhancement Note: The role offers clear progression paths within the specialized field of UI/UX design, particularly for mobile applications. The company's emphasis on communities and training suggests a commitment to employee development, allowing for both vertical growth into leadership and horizontal growth into related design or product disciplines.

🌐 Work Environment

Office Type: This is an on-site role, implying a physical office environment in Montpellier. The description of NEXTON suggests a professional, collaborative workspace conducive to creative and technical work.
Office Location(s): Montpellier, France. This location offers a vibrant city environment with a strong tech and digital scene.

Workspace Context:

• Collaborative Environment: Expect an open and interactive workspace designed for team collaboration, especially within Agile teams.
• Tools & Technology: Access to industry-standard design software (Figma, Sketch, Adobe XD) and potentially other project management and communication tools.
• Team Interaction: Frequent opportunities for direct interaction with UX Designers, Product Owners, Developers, and other design professionals for brainstorming, feedback, and knowledge sharing.

Work Schedule: Full-time, aligning with standard French business hours, but with the flexibility and iterative nature expected in an Agile development environment. This often means a focus on delivering sprint goals rather than strict clock-watching.

📝 Enhancement Note: While the description doesn't detail office amenities, the company's size and focus on innovation suggest a modern, well-equipped office. The emphasis on collaboration and Agile practices means the workspace is likely designed to facilitate team synergy and efficient communication.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and portfolio to assess alignment with the role's requirements and experience level.
• Technical Interview: Discussion focused on your UI design process, mobile design expertise, tool proficiency, and experience with Design Systems and Agile methodologies. You may be asked to walk through specific portfolio projects.
• Portfolio Presentation: A dedicated session where you present selected work from your portfolio, demonstrating your problem-solving skills, design rationale, and impact. Be prepared to discuss your process, design decisions, and how you handled challenges.
• Team/Cultural Fit Interview: Conversation with team members (UX Designers, Developers, Product Owners) to assess your collaboration style, communication skills, and alignment with NEXTON's company culture and values.
• Final Interview: A discussion with hiring management to finalize the offer.

Portfolio Review Tips:

• Curate Selectively: Choose projects that best showcase your mobile UI design skills, mobile-first approach, and experience with Design Systems and Agile workflows.
• Tell a Story: For each project, clearly articulate the problem, your specific role and contributions, your design process, the rationale behind your decisions, and the outcomes/impact. Use visuals effectively.
• Highlight Process: Emphasize how you approach design challenges, collaborate with teams, incorporate feedback, and ensure accessibility and responsiveness.
• Quantify Impact: Whenever possible, include metrics or qualitative feedback that demonstrate the success of your designs (e.g., improved conversion rates, user satisfaction scores).
• Tailor to NEXTON: If possible, research NEXTON's clients and projects to subtly align your portfolio presentation with their industry focus.

Challenge Preparation:

• Be prepared for potential design challenges or case studies, either as homework or during the interview. These might involve critiquing an existing interface, proposing a redesign for a specific feature, or conceptualizing a new mobile experience.
• Focus on demonstrating your structured thinking, user-centric approach, and ability to articulate your design decisions clearly and concisely.
• Practice presenting your work and ideas succinctly, as time is often limited.

📝 Enhancement Note: The interview process is expected to be thorough, with a strong emphasis on evaluating practical design skills through the portfolio and potentially a design challenge. Candidates should be ready to articulate their design process, justify their decisions, and demonstrate their ability to collaborate effectively within an Agile team.

🛠 Tools & Technology Stack

Primary Tools:

• UI Design Software: Figma, Sketch, Adobe XD (mastery of at least one is expected, familiarity with others is a plus).
• Prototyping & Collaboration: Invision, Zeplin (for design handoff and collaboration with developers).
• Design System Management: Experience with tools and methodologies for creating, maintaining, and applying Design System components.

Analytics & Reporting: While not a primary responsibility, an understanding of how to interpret user analytics (e.g., from tools like Google Analytics, Mixpanel, Amplitude) to inform design decisions is beneficial.
CRM & Automation: Not directly relevant to this UI Design role, but awareness of how design impacts user journeys within CRM or marketing automation platforms could be a bonus. Development Technologies (Awareness): Familiarity with common mobile development languages and frameworks (e.g., Swift/Objective-C for iOS, Kotlin/Java for Android, React Native, Flutter) is advantageous for understanding technical constraints and facilitating developer collaboration.

📝 Enhancement Note: The role explicitly mentions Figma, Sketch, Adobe XD, Invision, and Zeplin as required tools. Proficiency in at least one of the core design suites (Figma, Sketch, XD) is paramount. The mention of HTML/CSS as a plus hints at a desire for designers who understand front-end implementation basics.

👥 Team Culture & Values

Operations Values:

• User-Centricity: Placing the user at the core of all design decisions.
• Proactivity: Taking initiative, identifying opportunities, and driving solutions independently.
• Creativity & Innovation: Constantly seeking new ideas, approaches, and technological advancements.
• Collaboration: Working effectively with diverse teams to achieve shared goals.
• Excellence: Striving for high-quality outcomes in design and execution.
• Agility: Adapting quickly to changing requirements and project needs.

Collaboration Style:

• Cross-functional Integration: Seamless collaboration with UX Designers, Product Owners, and Developers, participating actively in team ceremonies.
• Open Communication: Encouraging direct and transparent communication, feedback exchange, and constructive debate.
• Knowledge Sharing: Actively participating in internal meetups, communities of practice, and sharing insights and best practices.

📝 Enhancement Note: NEXTON's stated values (User-Centricity, Proactivity, Creativity, Innovation) directly align with the desired attributes for an experienced UI Designer. The collaborative style emphasizes teamwork within an Agile framework, where open communication and shared learning are essential for success.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Design Vision with Client Needs: Effectively translating client requirements and business goals into innovative yet practical UI designs.
• Adhering to Design Systems: Maintaining design integrity and consistency while working within established Design System constraints, and potentially contributing to its evolution.
• Cross-Functional Communication: Ensuring clear and effective communication with diverse stakeholders, including developers with varying technical perspectives.
• Keeping Pace with Mobile Trends: Continuously adapting to rapid changes in mobile technology, design patterns, and user expectations.

Learning & Development Opportunities:

• Advanced Design Training: Access to specialized courses on mobile UI patterns, interaction design, accessibility, and emerging design tools.
• Design System Expertise: Opportunity to become a subject matter expert in Design Systems, potentially leading their development or governance.
• Product Strategy Exposure: Gaining deeper insight into product management and business strategy through close collaboration with Product Owners.
• Industry Conferences: Potential for attending leading design and technology conferences to stay updated on industry best practices and network with peers.

📝 Enhancement Note: The challenges are typical for a senior UI Designer in a fast-paced consulting and development environment. The growth opportunities are well-defined, focusing on deepening specialized design skills, gaining broader product exposure, and potentially moving into leadership roles within design or product teams.

💡 Interview Preparation

Strategy Questions:

• "Describe your process for designing a new mobile feature from concept to final UI. How do you incorporate user feedback and technical constraints?" (Focus on structured thinking, user-centricity, and collaboration).
• "How do you ensure consistency and adherence to a Design System while also allowing for creative expression?" (Highlight your understanding of Design System principles and your approach to working within them).
• "Walk me through a challenging UI design project in your portfolio. What was the problem, your solution, and the outcome?" (Prepare a concise, impactful case study).
• "How do you approach accessibility in your mobile UI designs?" (Demonstrate your awareness and practical application of accessibility standards).

Company & Culture Questions:

• "What interests you about NEXTON and this specific role?" (Research NEXTON's clients, projects, and company values. Connect your skills and aspirations to their mission).
• "How do you collaborate with UX designers and developers in an Agile environment?" (Provide specific examples of your collaborative approach and communication style).
• "How do you stay updated on the latest mobile design trends and technologies?" (Showcase your proactivity and commitment to continuous learning).

Portfolio Presentation Strategy:

• Structure: For each project, follow a narrative: Problem -> Your Role -> Process -> Solution -> Outcome/Impact.
• Visuals: Use high-fidelity mockups, prototypes, and possibly short video walkthroughs. Annotate key design decisions.
• Conciseness: Focus on the most critical aspects of each project to respect time limits.
• Interaction: Be prepared to answer in-depth questions about your design choices, trade-offs, and problem-solving approaches. Engage with the interviewer.

📝 Enhancement Note: Interview preparation should focus on demonstrating not just design skill, but also a strong understanding of the product development lifecycle, collaboration within an Agile team, and a proactive, user-centric mindset. The portfolio is the central piece of evidence, so preparation for presenting it effectively is paramount.

📌 Application Steps

To apply for this operations position:

• Submit your application through the provided link on SmartRecruiters.
• Tailor your CV: Highlight your 5+ years of experience in mobile UI design, specifically mentioning "mobile-first" and "responsive design." Quantify achievements where possible and ensure keywords like "Figma," "Sketch," "Adobe XD," "Design System," and "Agile" are prominent.
• Prepare your Portfolio: Ensure your portfolio is easily accessible (e.g., via a link on your CV or a dedicated website) and showcases your strongest mobile UI design projects. Be ready to articulate the strategy, process, and impact of your work.
• Research NEXTON: Understand their business model, client base, and company culture. Prepare to articulate why you are a good fit for their values of user-centricity, proactivity, and innovation.
• Practice your Presentation: Rehearse walking through your portfolio projects, focusing on clarity, conciseness, and demonstrating your design rationale and problem-solving skills.

⚠️ 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.

---