Senior UX/UI Designer - App Ops

📍 Job Overview

Job Title: Senior UX/UI Designer - App Ops

Company: VML

Location: Poznan, Greater Poland, Poland

Job Type: Contract (B2B Cooperation)

Category: UX/UI Design, Product Design, App Operations

Date Posted: May 13, 2026

Experience Level: 5-10 Years

Remote Status: Hybrid (4 days/week in office expectation)

🚀 Role Summary

• Lead the end-to-end UX/UI design process for mobile applications within a client's App Operations team, focusing on iOS and Android platforms.

• Craft intuitive, efficient, and visually appealing mobile-first digital experiences that drive user engagement and operational efficiency for an automotive client.

• Translate complex automotive functionalities and operational needs into user-centric mobile interfaces, ensuring seamless integration into the customer journey.

• Collaborate closely with a cross-functional team, including UX Leads, App Operations, Product Managers, and Developers, to ensure cohesive product strategy and design execution for mobile initiatives.

• Advocate for and implement mobile-first design best practices, accessibility standards, and consistent design patterns within the App Operations team.

📝 Enhancement Note: While the title includes "App Ops," the core responsibilities and requirements clearly define this as a Senior UX/UI Designer role embedded within an automotive client's App Operations team. The focus is on designing and optimizing the user experience of mobile applications, rather than traditional operational management. The "App Ops" context highlights the need for understanding operational efficiency and integration within a broader system.

📈 Primary Responsibilities

• Spearhead the end-to-end UX and UI design lifecycle for new features and existing functionalities within the client's mobile applications (iOS and Android).

• Develop comprehensive user flows, interaction models, information architecture, detailed wireframes, and interactive prototypes specifically tailored for mobile platforms.

• Create pixel-perfect, high-fidelity UI designs, meticulously adhering to the client's brand guidelines, established design system, and best practices for mobile usability and aesthetics.

• Focus on critical mobile interaction elements such as micro-interactions, gestural controls, haptic feedback, notification systems, and ensuring responsive layouts across various mobile device sizes and orientations.

• Collaborate closely with mobile developers during the implementation phase, providing detailed design specifications, conducting UI reviews for fidelity, and ensuring technical feasibility of designs.

• Conduct and actively participate in user research sessions, including usability testing on mobile devices, remote ethnography, and in-app A/B testing, to gather insights specific to mobile user behavior and preferences.

• Analyze app analytics, user feedback, and relevant market trends to identify key pain points and opportunities for enhancing the mobile app experience.

• Translate research findings and data insights into actionable design recommendations, iterating on designs based on user feedback and performance data to drive continuous improvement.

• Contribute to and champion the adoption of mobile-first design best practices, WCAG accessibility standards, and consistent design patterns within the App Operations team to ensure a unified and high-quality user experience.

• Present design concepts, rationale, and user insights clearly and persuasively to a diverse range of stakeholders, including product managers, developers, and client representatives, fostering a shared understanding and securing buy-in for mobile experience enhancements.

• Contribute to and maintain the client's comprehensive design system, ensuring consistency, scalability, and adherence to established components and patterns across all mobile applications.

📝 Enhancement Note: The responsibilities emphasize a hands-on, end-to-end design process with a strong focus on mobile-specific user experiences, research, and collaboration within a client-embedded team. The mention of "App Operations" implies a need to understand how the app functions within a larger operational context, influencing design decisions towards efficiency and integration.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a Bachelor's degree in Design, Human-Computer Interaction, Graphic Design, or a related field, or equivalent practical experience, is highly valued.

Experience: A minimum of 5-10 years of progressive experience in UX/UI design, with a significant specialization in mobile application design (iOS and Android) is required. Experience within complex industries like automotive is highly desirable.

Required Skills:

• Mobile UX/UI Specialization: Proven track record as a Senior UX/UI Designer with a specialized, hands-on focus on mobile application design (iOS and Android), demonstrating exceptional craft and attention to detail.

• Figma & Prototyping Proficiency: High proficiency in modern design tools, especially Figma, with the ability to create scalable, well-structured design files, interactive mobile prototypes, and high-fidelity UI.

• User Research & Testing: Strong experience in conducting and participating in mobile-specific user research (qualitative and quantitative), including usability testing on devices, A/B testing, and synthesizing results into design solutions.

• Mastery of Mobile Design Principles: Deep understanding and practical application of mobile-first design principles, platform-specific guidelines (e.g., Apple Human Interface Guidelines, Google Material Design), and responsive design techniques.

• Collaboration & Communication: Excellent communication and collaboration skills, able to present and articulate design decisions and rationale clearly to developers, product managers, and other stakeholders.

• Problem-Solving & Autonomy: A proactive, problem-solving mindset, capable of working autonomously to manage design tasks and priorities within a fast-paced, cross-functional App Operations team.

• Design System Contribution: Experience working with and contributing to comprehensive design systems, ensuring consistency and scalability of mobile components.

• Accessibility & Performance: Solid understanding of mobile accessibility standards (e.g., WCAG) and performance considerations to ensure inclusive and efficient app experiences.

Preferred Skills:

• Automotive Context: Experience designing for the automotive sector or other highly regulated/complex industries with a strong digital product presence.

• Technical Understanding: Familiarity with mobile app development processes, limitations, and platform capabilities to ensure designs are technically feasible and optimized for performance.

• Micro-interactions & Animation: Experience designing nuanced micro-interactions and animations that enhance user engagement and provide clear feedback.

• Data Synthesis: Ability to effectively synthesize data from app analytics and A/B tests to inform design decisions.

📝 Enhancement Note: The emphasis on "Mobile UX/UI Specialization" and "Exceptional Portfolio" underscores the critical need for candidates to showcase deep expertise in mobile design. The "Automotive Context" is a strong preference, suggesting that candidates with experience in similar complex, regulated industries will have a distinct advantage. The mention of "App Operations" implies a need for understanding how the app integrates and functions within a broader business context.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A comprehensive portfolio is mandatory, demonstrating end-to-end UX/UI design for mobile applications (iOS and Android).

• Showcase your design process from initial research, user flows, and wireframing through to polished high-fidelity UI designs and implemented solutions.

• Include case studies that highlight problem-solving methodologies, design decisions, and the impact of your work on user experience and business objectives.

• Visual examples of interaction design, micro-interactions, and responsive layouts across different mobile devices are essential.

Process Documentation:

• Demonstrate your ability to document design processes, including user research methodologies, wireframing techniques, and UI specification creation.

• Showcase how you have contributed to or utilized design systems, ensuring consistency and scalability of mobile components.

• Provide examples of how you have used data (analytics, A/B testing) to inform and iterate on design decisions.

• Illustrate your approach to user testing, including research plans, participant recruitment, and synthesis of findings into actionable design improvements.

📝 Enhancement Note: The portfolio requirements are heavily focused on demonstrating a robust, mobile-centric design process. Candidates must be prepared to showcase their ability to handle the full lifecycle of mobile app design, from conception to implementation, with a strong emphasis on user-centricity and data-informed iteration. The "App Ops" context suggests that demonstrating how designs contribute to operational efficiency or integration will be beneficial.

💵 Compensation & Benefits

Salary Range: For B2B cooperation, the net hourly rate is estimated to range from 110 - 150 PLN per hour, dependent on skills, experience, and the specific requirements of the role. This is a gross rate before any applicable taxes or social contributions as per B2B contract agreements.

Benefits:

• Private Medical Care: Access to private healthcare services.

• Professional Development Opportunities: Support for continuous learning and skill enhancement.

• Training Programmes: Opportunities to participate in structured training sessions.

• Flexible Working Arrangements: While the role is hybrid with an expectation of 4 days in the office, there may be flexibility in how this is managed.

• Opportunity to work with leading automotive brands and innovative digital products.

• Collaborative and dynamic work environment within an embedded client team.

Working Hours: The standard working hours are based on a full-time position, implying approximately 40 hours per week. Collaboration with the UK project team will require availability until 18:00 PL time.

📝 Enhancement Note: The salary is presented as an hourly net rate for B2B cooperation, which is common in Poland for contract roles. The range provided (110-150 PLN/hour) is a good benchmark for a Senior UX/UI Designer with specialized mobile experience in the Polish market. The benefits listed are standard for such roles, with a particular emphasis on professional development. The requirement to be available until 18:00 PL time indicates a need for flexibility to align with international teams.

🎯 Team & Company Context

🏢 Company Culture

Industry: Marketing and Advertising, with a strong focus on digital experience, customer experience, and commerce. VML is part of WPP, a global leader in marketing communications. The specific client is in the automotive sector, indicating a need for understanding complex product ecosystems and user journeys within that domain.

Company Size: VML is a large global agency network with over 26,000 employees across 55+ markets. This specific role is embedded within an "App Operations team" for an automotive client, suggesting a focused, project-based team dynamic.

Founded: VML was formed through the merger of WPP agencies VML and Y&R in 2018. VML's history dates back to 1992. WPP, the parent company, has a long and established history in the advertising and marketing industry.

Team Structure:

• The role is embedded within a client's "App Operations team," implying a hybrid structure where VML designers work closely with the client's product and development teams.

• You will report to a UX Lead within VML and collaborate closely with the client's App Operations team, product managers, and developers.

Methodology:

• Emphasis on human-first, award-winning work, suggesting a commitment to creative excellence and innovation.

• Data-driven approach is implied through the mention of app analytics, A/B testing, and performance optimization.

• Agile methodologies are likely employed given the fast-paced, cross-functional team environment typical in digital product development.

• User-centric design principles are core to the UX/UI function.

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

📝 Enhancement Note: The company context highlights VML's global scale and WPP's backing, providing stability and resources. The specific role's placement within a client's "App Operations team" for an automotive client is crucial. This suggests a dynamic, client-facing role requiring adaptability and an understanding of business objectives beyond pure design aesthetics. The culture is described as human-first, emphasizing empathy and collaboration.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a "Senior UX/UI Designer," indicating a mid-to-senior level position requiring significant autonomy and expertise. The focus on leading end-to-end design processes and contributing to design systems points to a role with substantial responsibility and influence within the design function.

Reporting Structure: You will likely report directly to a UX Lead within VML, who oversees the design strategy and execution for the client. You will also work very closely with the client's App Operations team, Product Managers, and Development teams, requiring strong stakeholder management and communication skills.

Operations Impact: As a Senior UX/UI Designer embedded in an automotive client's App Operations team, your impact will be direct and significant. Your work will shape the user experience of critical mobile applications that directly influence customer engagement, operational efficiency, and potentially brand perception. By optimizing user flows and interfaces, you will contribute to increased app adoption, user satisfaction, and potentially drive desired actions within the automotive customer journey.

Growth Opportunities:

• Skill Specialization: Deepen expertise in mobile-first design, automotive UX, and specific mobile platforms (iOS/Android) through hands-on project work.

• Design System Contribution: Gain experience in developing and maintaining complex design systems for a major client, enhancing your understanding of scalable design solutions.

• Client-Facing Experience: Develop strong client management and communication skills by working closely with a major automotive client's App Operations team.

• Cross-Functional Leadership: Opportunity to mentor junior designers and influence design strategy within the client's product development lifecycle.

• Industry Exposure: Gain valuable insights into the automotive industry's digital landscape and operational challenges.

📝 Enhancement Note: The "Senior" title and the embedded nature of the role suggest significant autonomy and a direct impact on the client's product. Growth opportunities are tied to specialization, client management, and contributing to foundational design assets like design systems. The "App Ops" context implies that understanding operational efficiency in the design output will be a key differentiator for growth.

🌐 Work Environment

Office Type: Hybrid work arrangement, with an expectation of being in the office approximately four days a week. This suggests a collaborative office environment designed for team interaction, ideation, and focused work.

Office Location(s): Poznan, Greater Poland, Poland. The exact office location details are not provided but are expected to be a modern workspace conducive to creative and collaborative activities.

Workspace Context:

• Collaborative Environment: The hybrid model emphasizes face-to-face collaboration, team meetings, and brainstorming sessions, crucial for complex design problem-solving.

• Operations Tools & Technology: Access to industry-standard design software (Figma), prototyping tools, and potentially client-specific collaboration platforms.

• Team Interaction: Regular interaction with a dedicated VML project team (including UX Lead) and direct collaboration with the client's App Operations, Product, and Development teams.

Work Schedule: The role is full-time, implying approximately 40 hours per week. There's a specific need for availability until 18:00 PL time to align with the UK project team, suggesting a degree of schedule flexibility might be required to accommodate international collaboration.

📝 Enhancement Note: The hybrid setup in Poznan is central to this role, balancing focused design work with essential team collaboration. The need to align with UK working hours implies that effective time management and communication across time zones will be key aspects of the daily work environment.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and portfolio to assess suitability for the Senior UX/UI Designer role and mobile design expertise.

• Portfolio Presentation & Discussion: A session where you will present your portfolio, highlighting key mobile design projects, your process, and rationale. Expect questions on your approach to mobile-first design, user research, and problem-solving.

• Technical/Skills Assessment: Potential for a design challenge or a deep dive into your Figma proficiency, prototyping skills, and understanding of mobile design principles.

• Team/Client Fit Interview: An interview to assess your collaboration style, communication skills, and ability to integrate with the client's App Operations team and VML project team. Discussions will likely cover your experience in complex industries and your proactive approach.

• Final Interview: Potentially with a senior stakeholder to discuss overall fit, career aspirations, and final offer details.

Portfolio Review Tips:

• Curate for Mobile: Ensure your portfolio prominently features your strongest mobile UX/UI design projects (iOS and Android).

• Showcase Process: Clearly articulate your design process for each project, from problem definition and research to iteration and final solution. Use visuals like user flows, wireframes, and prototypes.

• Highlight Impact: Quantify your achievements where possible. Explain how your design decisions led to improved user engagement, operational efficiency, or other key metrics relevant to the automotive client.

• Demonstrate Figma Mastery: Be prepared to discuss your Figma workflow, component usage, and how you structure files for scalability and collaboration.

• Address Automotive Context: If you have automotive or similar industry experience, be ready to discuss specific challenges and solutions. If not, articulate how your transferable skills apply.

• Tell a Story: Structure your case studies to tell a compelling narrative about the problem, your solution, and the outcome.

Challenge Preparation:

• Be prepared for a design challenge that might involve adapting an existing mobile interface, designing a new feature based on a brief, or solving a specific user problem within the automotive context.

• Focus on demonstrating your mobile-first thinking, problem-solving approach, and ability to translate requirements into intuitive designs under time constraints.

• Practice articulating your design decisions and rationale clearly and concisely.

📝 Enhancement Note: The interview process heavily emphasizes portfolio review, requiring candidates to demonstrate deep mobile UX/UI expertise and a structured design process. The "App Ops" context suggests that interviewers will be keen to understand how candidates approach design challenges that impact operational efficiency or integrate with broader systems, beyond just user aesthetics.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: High proficiency is essential for UI design, prototyping, and collaboration. Expect to create scalable design files, components, and interactive prototypes.

• Prototyping Tools: Proficiency with Figma's prototyping capabilities, and potentially others like InVision, Adobe XD, or Principle for more advanced animations.

• Design Systems: Experience working with, contributing to, or building design systems for mobile applications.

Analytics & Reporting:

• Mobile Analytics Platforms: Familiarity with tools like Google Analytics for Mobile Apps, Firebase Analytics, or similar platforms to understand user behavior and app performance.

• A/B Testing Tools: Experience with in-app A/B testing methodologies and tools.

CRM & Automation:

• While not a direct CRM role, understanding how mobile app interactions might feed into CRM systems or trigger automated workflows could be beneficial, especially in the context of automotive customer journeys.

📝 Enhancement Note: Figma is explicitly called out as a primary tool, indicating its central role in the design workflow. Familiarity with mobile analytics and A/B testing is also crucial, as the role involves data-informed design iteration. Understanding how mobile app experiences connect to broader operational or CRM systems is a plus given the "App Ops" context.

👥 Team Culture & Values

Operations Values:

• Heart (Empathy & Trust): Foster genuine connections and human-centric work. This translates to understanding user needs deeply and building trust through transparent design processes.

• Brains (Innovation & Curiosity): Value relentless curiosity and collaborative intelligence to solve complex challenges. This means approaching design problems with an analytical mindset and seeking innovative solutions.

• Courage (Boldness & Advocacy): Inspire you to speak up, embrace experimentation, and advocate for bold solutions. This encourages pushing design boundaries and confidently presenting well-reasoned recommendations.

• Efficiency & Optimization: Implicitly valued due to the "App Operations" context, requiring designs that are not only user-friendly but also support operational goals and efficient workflows.

Collaboration Style:

• Cross-Functional Integration: Work seamlessly with product managers, developers, and client stakeholders to ensure design alignment with business objectives and technical feasibility.

• Process Review & Feedback: Actively participate in design critiques, provide constructive feedback, and be open to receiving it to refine designs collaboratively.

• Knowledge Sharing: Contribute to a culture of learning by sharing insights from user research, design trends, and best practices within the team and with the client.

• Client-Embedded Approach: Adapt to the client's environment and collaborate closely as part of their App Operations team, demonstrating professionalism and a commitment to their success.

📝 Enhancement Note: The explicit mention of "Heart, Brains, and Courage" as core values provides a strong framework for understanding VML's desired culture. For this role, translating these values into practice means demonstrating empathy for users and colleagues, using analytical thinking to solve design problems, and having the courage to advocate for user-centric and efficient design solutions, especially within the client's operational context.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs with Operational Constraints: Designing for a complex automotive client within an "App Operations" framework requires balancing intuitive user experiences with operational efficiency, technical feasibility, and client-specific requirements.

• Cross-Time Zone Collaboration: Effectively collaborating with a UK project team requires careful planning, clear communication, and potential flexibility in working hours to ensure seamless project progression.

• Maintaining Design Consistency: Ensuring a consistent and high-quality user experience across different mobile platforms (iOS/Android) and potentially multiple app versions, while contributing to a design system.

• Adapting to Client-Specific Environments: Integrating into a client's existing App Operations team and processes, understanding their unique business goals and technical landscape.

Learning & Development Opportunities:

• Advanced Mobile UX/UI: Deepen expertise in cutting-edge mobile design patterns, accessibility standards, and platform-specific best practices.

• Automotive Industry Insights: Gain invaluable knowledge of user behaviors, trends, and operational needs within the automotive sector's digital ecosystem.

• Design System Development: Contribute to and learn from the creation and maintenance of a robust client-facing design system.

• Client Management & Stakeholder Engagement: Enhance skills in presenting to, influencing, and collaborating with senior client stakeholders.

• Hybrid/Embedded Team Dynamics: Develop best practices for working effectively in a hybrid, client-embedded team structure.

📝 Enhancement Note: The primary challenges revolve around the complexity of the client's industry and the embedded, hybrid nature of the role. Growth opportunities are significant, focusing on specialization, industry knowledge, and client-facing skills, all of which are valuable for a senior designer.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex mobile app feature you designed end-to-end. What was the problem, your process, the key decisions, and the outcome?" (Focus on mobile-first approach, user research, and impact.)

• "How do you ensure your mobile designs are both user-friendly and operationally efficient for a client like an automotive company?" (Highlight your understanding of the "App Ops" context and balancing user needs with business/operational goals.)

• "Walk us through a challenging collaboration you had with developers or product managers. How did you navigate disagreements and reach a successful design solution?" (Demonstrate communication, negotiation, and teamwork skills.)

Company & Culture Questions:

• "What interests you about working with an automotive client and within an App Operations team?" (Show your understanding of the role's context.)

• "How do VML's core values of Heart, Brains, and Courage resonate with your work style?" (Provide specific examples of how you embody these values.)

• "How do you stay updated on the latest mobile UX/UI trends and best practices?" (Demonstrate continuous learning.)

Portfolio Presentation Strategy:

• Mobile First, Automotive Context: Lead with your strongest mobile design case studies. If you have automotive experience, make that prominent. If not, emphasize transferable skills from complex or regulated industries.

• Structure Your Narrative: For each case study, clearly outline the problem, your role, the process (research, ideation, design, testing), key decisions with rationale, and the measurable outcomes or learnings.

• Highlight Figma Skills: Be prepared to discuss your Figma workflow, how you manage design systems, and create interactive prototypes.

• Focus on Impact: Emphasize the "why" behind your design decisions and the tangible results of your work, linking it back to user satisfaction or operational improvements.

• Be Ready for Technical Questions: Anticipate questions about platform guidelines, accessibility, and technical feasibility.

📝 Enhancement Note: Interview preparation should heavily focus on demonstrating expertise in mobile UX/UI, a structured and iterative design process, and the ability to collaborate effectively within a client-embedded team. Candidates must be prepared to articulate how their designs contribute to both user satisfaction and operational efficiency, especially given the "App Ops" context.

📌 Application Steps

To apply for this Senior UX/UI Designer position:

• Submit your application through the VML careers portal link provided.

• Tailor Your CV: Update your resume to highlight your most relevant experience in mobile UX/UI design (iOS and Android), Figma proficiency, user research, and any experience in automotive or complex industries. Use keywords from the job description.

• Curate Your Portfolio: Ensure your portfolio is easily accessible (link on CV/application) and showcases your strongest mobile-first design projects with detailed case studies. Prioritize projects that demonstrate end-to-end process, problem-solving, and impact.

• Prepare Your Presentation: Practice walking through 2-3 key portfolio pieces, focusing on your role, process, rationale, and outcomes. Be ready to articulate your thoughts on mobile design principles and the "App Ops" context.

• Research VML & WPP: Familiarize yourself with VML's work, culture, and values (Heart, Brains, Courage). Understand the broader context of WPP. Research the automotive industry's digital landscape to better align your answers with the client's needs.

⚠️ 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.