Senior Product Designer - UI Focus (f/m/x)

📍 Job Overview

Job Title: Senior Product Designer - UI Focus (f/m/x)

Company: exmox GmbH

Location: Hamburg, Germany

Job Type: FULL_TIME

Category: Product Design / UI Design

Date Posted: 2026-09-09

Experience Level: 5-10 years

Remote Status: Hybrid

🚀 Role Summary

• Design and own end-to-end features for a high-performing, mobile-first B2C product impacting millions of users globally.

• Craft visually engaging, habit-forming, and polished user interfaces that drive engagement and revenue within the competitive mobile gaming industry.

• Collaborate closely with UX research, data analytics, and engineering teams to inform design decisions with user behavior and performance metrics.

• Contribute to and evolve the company's design system, ensuring consistency and scalability across multiple brands and product offerings.

• Leverage AI tools to enhance workflow efficiency and focus on high-impact design challenges.

📝 Enhancement Note: The role emphasizes a UI-focused Product Designer who can translate user behavior and business goals into performant, engaging interfaces. The "Senior" title suggests a need for leadership in design processes and a significant impact on design maturity within the company. The focus on mobile gaming and B2C products indicates a need for experience in designing for habit formation and high-volume user engagement.

📈 Primary Responsibilities

• Own the complete design lifecycle for new features, from initial concept and user flows to final production-ready assets and developer handoff.

• Design highly polished and visually engaging user interfaces for the company's B2C mobile application, prioritizing user experience and performance.

• Develop essential visual assets, including illustrations, iconography, and other graphical elements, to enhance the user interface and brand identity.

• Create detailed specifications, prototypes, and production-ready assets for engineering teams, ensuring seamless implementation and adherence to design intent.

• Actively build, maintain, and contribute to the company's evolving design system, promoting consistency and efficiency across product development.

• Conduct design reviews to ensure the quality and fidelity of implemented designs, working closely with development teams.

• Collaborate with UX research and data teams to conduct user testing, analyze performance metrics, and iterate on designs for continuous improvement.

• Gather and incorporate feedback from stakeholders and users to refine and enhance existing and new design solutions.

📝 Enhancement Note: The responsibilities clearly indicate a hands-on design role with significant ownership. The emphasis on "feature ownership," "UI design," "visual assets," and "developer handoff" points to a strong craft-oriented designer. The inclusion of "design system" and "research collaboration" highlights the need for a strategic thinker who can contribute to broader design initiatives and leverage data for decision-making.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's degree in Design, Human-Computer Interaction, or a related field is typically expected for senior roles, or equivalent practical experience.

Experience: 5+ years of professional experience working in product teams as a UI, UI/UX, or Product Designer, with a strong emphasis on mobile-first B2C consumer products.

Required Skills:

• Portfolio: A strong portfolio showcasing outstanding mobile UI craft, visual design expertise, and habit-forming consumer-facing interface design.

• Design Tools: Advanced proficiency in Figma for UI design, prototyping, and collaboration.

• Motion & Interaction Design: Expertise in designing dynamic interfaces through motion design, animations, and transitions.

• Visual Asset Creation: Proven ability to create high-quality illustrations, iconography, and other visual assets.

• Design Systems: Extensive experience in designing, shipping, and maintaining design systems for scalable products.

• Brand Identity: Experience in defining, designing, and documenting brand identities.

• Copywriting: Experience in defining and applying brand tone, voice, and messaging within user interfaces.

• Accessibility & Usability: Deep understanding and practical application of accessibility and usability principles.

• Frontend Awareness: Familiarity with front-end technologies and implementation constraints to ensure feasibility.

• Language Skills: Fluency in English; German language skills are considered a plus.

Preferred Skills:

• Experience in marketing, gaming, or other B2C-heavy industries.

• Experience with multi-brand or white-label products and theming systems.

• Understanding of AI tools and their application in design workflows.

📝 Enhancement Note: The "Hard Skills" section is exceptionally detailed, indicating a high bar for technical and craft-related competencies. The emphasis on specific tools like Figma, along with specialized skills like motion design, design systems, and brand identity, suggests a need for a designer with a very refined skillset. The preference for B2C-heavy industries aligns with the company's focus on mobile gaming and consumer products.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• UI Craftsmanship: Showcase a diverse range of mobile UI designs, highlighting visual polish, attention to detail, and aesthetic appeal.

• Habit-Forming Experiences: Include case studies demonstrating the design of interfaces that encourage user engagement and habit formation, with clear rationale behind design choices.

• Design System Contribution: Present examples of contributions to or creation of design systems, including component design, documentation, and rationale for system structure.

• Visual Asset Integration: Demonstrate proficiency in creating and integrating custom illustrations, icons, and graphical assets that align with brand identity and UI design.

• End-to-End Feature Design: Showcase at least one project that illustrates the full design process from problem definition and ideation to final UI execution and handoff.

Process Documentation:

• Workflow Design: Examples of documented user flows, wireframes, and prototypes that illustrate a structured approach to feature design.

• Design System Documentation: Clear documentation of design system components, guidelines, and usage patterns.

• Design Review Process: Evidence of participation in or leading design reviews, including feedback incorporation and iteration cycles.

• Developer Handoff: Examples of production-ready assets, specifications, and prototypes delivered to engineering teams.

📝 Enhancement Note: Given the emphasis on UI craft, design systems, and habit-forming experiences, a portfolio must clearly articulate the designer's process and impact. Specific case studies demonstrating how design decisions led to measurable outcomes (even if qualitative) will be crucial. The company's data-driven culture means showing how research and metrics informed design choices will be highly valued.

💵 Compensation & Benefits

Salary Range: For a Senior Product Designer with 5-10 years of experience in Hamburg, Germany, the estimated salary range is €65,000 - €90,000 annually. This estimate is based on industry benchmarks for senior design roles in major German tech hubs, considering the company's hyper-growth status and the competitive nature of the mobile gaming industry. The specific salary will depend on the candidate's exact experience, skill set, and performance during the interview process.

Benefits:

• Transport Subsidy: Financial assistance for commuting to the office.

• Learning Budget: Dedicated funds for professional development, training, conferences, and acquiring new skills relevant to the role.

• Wellness and Gym: Support for physical and mental well-being, likely including gym memberships or wellness stipends.

• Workation: Opportunities for remote work from different locations, potentially for extended periods.

• Bi-weekly Team Lunches: Regular opportunities for team bonding and informal collaboration over meals.

• Hybrid Work Model: Flexibility to work from home on Mondays and Fridays, with Tuesdays, Wednesdays, and Thursdays dedicated to office-based collaboration.

Working Hours: The role is full-time, with an expected 40 hours per week. The hybrid model offers flexibility in structuring the work week, balancing remote and in-office days.

📝 Enhancement Note: The salary estimate is derived from publicly available data for similar roles in Hamburg, Germany, factoring in the "Senior" title and the company's industry. The benefits listed are directly from the job description and are presented to highlight the company's investment in employee well-being, development, and work-life balance. The hybrid model is a key aspect of the work arrangement.

🎯 Team & Company Context

🏢 Company Culture

Industry: Mobile Gaming / B2C Consumer Products. exmox GmbH operates in a highly competitive, fast-paced, and data-driven sector where user acquisition and engagement are paramount. This industry demands continuous innovation, rapid iteration, and a strong focus on performance metrics.

Company Size: The company's description suggests a hyper-growth phase, likely ranging from 50-250 employees. This size indicates a dynamic environment with established processes but still retaining agility and opportunities for individual impact.

Founded: While the founding date is not provided, the mention of "hyper-growth" and "spearheading one of the largest innovations" implies a relatively young but rapidly scaling company, likely founded within the last 5-10 years.

Team Structure:

• The Product Design team is dedicated and growing in maturity, comprising Product Designers, UI Designers, and UX Researchers.

• The Senior Product Designer will likely report to a Head of Product Design or Design Lead, collaborating closely with Product Managers and Engineering Leads.

• Cross-functional collaboration is central, with designers working hand-in-hand with data analysts and front-end developers to test and iterate on designs. Methodology:

• Data-Driven Design: Decisions are heavily influenced by user behavior data, A/B testing results, and key performance indicators (KPIs).

• Agile Iteration: Features are developed, tested, and refined rapidly, with a focus on continuous improvement and learning from fast failures.

• AI Integration: AI tools are actively used to enhance productivity, automate repetitive tasks, and optimize workflows.

• Performance Focus: Design is viewed as a critical component for driving business outcomes, such as user acquisition and revenue.

Company Website: https://exmox.com

📝 Enhancement Note: The company culture is characterized by speed, directness, ownership, and a strong drive to win. The emphasis on "speed is the feature" and "done is better than perfect" indicates a bias for action and rapid execution. The "See it. Own it. Solve it." mantra highlights a proactive and accountable work ethic.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior Product Designer role, indicating a mid-to-senior level position. It requires a high degree of autonomy, ownership, and the ability to influence design direction and processes. The role is expected to contribute significantly to the product's success and the design team's maturity.

Reporting Structure: The Senior Product Designer will likely report to a Design Lead or Head of Product Design. They will collaborate closely with Product Managers, UX Researchers, and Engineering teams on a day-to-day basis.

Operations Impact: The role has a direct and measurable impact on business KPIs, including user acquisition, engagement, retention, and revenue. Designs are tied to experimentation and iteration, allowing for tangible demonstration of design's contribution to growth.

Growth Opportunities:

• Design Leadership: Potential to grow into a Lead Product Designer or Head of Design role as the team and company mature.

• Specialization: Opportunity to deepen expertise in specific areas like interaction design, motion graphics, or design system architecture.

• Cross-Functional Expertise: Develop a strong understanding of data analytics, A/B testing, and product management within a hyper-growth tech environment.

• Mentorship: As a senior member, there will be opportunities to mentor junior designers and contribute to team development.

• AI in Design: Become an expert in leveraging AI tools for design processes and workflow optimization.

📝 Enhancement Note: The "Senior" title, coupled with the emphasis on ownership, feature design, and design system contribution, suggests a clear path for career advancement within the company, either through specialized expertise or leadership. The company's hyper-growth environment also presents opportunities for rapid career progression.

🌐 Work Environment

Office Type: The company offers a hybrid work model, requiring presence in the Hamburg office on Tuesdays, Wednesdays, and Thursdays, with remote work on Mondays and Fridays. This suggests a modern office environment designed for collaboration and focused work.

Office Location(s): The primary office is located in Hamburg, Germany. Specific details regarding office amenities or accessibility are not provided but can be assumed to be standard for a tech company in a major German city.

Workspace Context:

• Collaborative Environment: The hybrid model encourages in-office days for team meetings, design critiques, and cross-functional collaboration, fostering a connected team atmosphere.

• Tools & Technology: Access to industry-standard design tools like Figma, along with other relevant software for prototyping, asset creation, and potentially AI-assisted design.

• Team Interaction: Opportunities to interact directly with product managers, engineers, UX researchers, and fellow designers, facilitating knowledge sharing and problem-solving.

Work Schedule: The standard work schedule is 40 hours per week, with the flexibility of the hybrid model allowing employees to structure their week between remote and office-based work.

📝 Enhancement Note: The hybrid model is a key feature of the work environment, offering a balance between remote flexibility and in-office collaboration. The specific office days (Tue-Thu) are clearly defined, indicating a structured approach to hybrid work.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your resume and portfolio to assess qualifications and alignment with the role.

• Portfolio Presentation & Design Challenge: You will likely present your portfolio, discussing key projects, design decisions, and impact. A design challenge, possibly focused on UI design for a mobile feature, may be included to assess your problem-solving skills and design craft.

• Team Interviews: Discussions with other designers, Product Managers, and potentially engineers to evaluate collaboration style, technical skills, and cultural fit.

• Hiring Manager Interview: A final discussion with the hiring manager to assess overall fit, leadership potential, and alignment with company vision.

Portfolio Review Tips:

• Highlight Mobile UI Craft: Ensure your portfolio prominently features your best mobile UI designs, demonstrating visual polish and attention to detail.

• Showcase Habit-Forming Design: Include case studies that explain how your designs encourage user engagement and habit formation, detailing the rationale behind your choices.

• Detail Design System Work: Present your contributions to design systems, including component design, documentation, and how it supports scalability and consistency.

• Quantify Impact: Wherever possible, use data and metrics to demonstrate the impact of your designs on user behavior, engagement, or business KPIs.

• Explain Your Process: Be prepared to walk through your design process for selected projects, explaining your problem-solving approach, research methods, and decision-making.

• Demonstrate Collaboration: Showcase how you work with cross-functional teams (engineers, PMs, researchers) and handle feedback.

Challenge Preparation:

• Understand the Context: Familiarize yourself with the mobile gaming industry, B2C consumer products, and exmox's product if possible.

• Focus on UI & Performance: Given the UI focus, expect challenges that test your ability to create visually appealing, performant, and engaging interfaces.

• Think Data-Driven: Consider how you would approach iterating on a design based on potential A/B test results or user feedback.

• Emphasize AI Integration: Be ready to discuss how AI tools could be leveraged to improve the design process or the final product.

📝 Enhancement Note: The interview process is likely to be rigorous, with a strong emphasis on evaluating design craft, process, and impact through the portfolio. The company's data-driven culture means candidates should be prepared to discuss how they use data and metrics in their design work.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: The core tool for UI design, prototyping, and collaboration. Proficiency is essential.

• Prototyping Tools: Likely integrated within Figma or other specialized tools for creating interactive prototypes.

• Design System Management Tools: Potentially part of Figma or dedicated platforms for managing design system components and documentation.

Analytics & Reporting:

• Analytics Platforms: Tools for tracking user behavior, engagement metrics, and performance KPIs (e.g., Amplitude, Mixpanel, Google Analytics).

• A/B Testing Tools: Platforms for running experiments and analyzing design variations (e.g., Optimizely, VWO).

• Data Visualization Tools: Tools for creating dashboards and reports to communicate insights (e.g., Tableau, Power BI, Looker).

CRM & Automation: While not directly a designer's tool, an understanding of CRM systems (like Salesforce) and marketing automation platforms can be beneficial for context in B2C environments.

AI Tools: Specific AI tools for design assistance, content generation, or workflow automation may be utilized.

📝 Enhancement Note: The emphasis on Figma is paramount. The company's data-driven culture implies a need for designers to be comfortable working with analytics and A/B testing data, even if they don't directly manage these tools. Awareness of AI tools is also highlighted as a differentiator.

👥 Team Culture & Values

Operations Values:

• Speed is the Feature: A strong bias for action, rapid execution, and iterative development. Designs are expected to be implemented quickly and tested efficiently.

• Focus on the Essential: Prioritizing tasks that drive the most impact and avoiding unnecessary complexity or perfectionism. Direct communication is valued.

• See it. Own it. Solve it.: A culture of proactive problem-solving and accountability, where individuals take ownership of issues they identify.

• Respect Others. Trust Multiplies: Maintaining respectful interactions, disagreeing with ideas rather than people, and building trust through consistent actions and accountability.

Collaboration Style:

• Cross-functional Integration: Designers work closely with Product Managers, Engineers, and UX Researchers, fostering a collaborative environment where ideas are shared and refined.

• Data-Informed Feedback: Feedback is often grounded in data and performance metrics, encouraging objective discussions about design effectiveness.

• Iterative Refinement: A continuous cycle of design, feedback, testing, and iteration is embraced, with designers comfortable navigating multiple refinement cycles.

• Direct Communication: Open and direct communication is encouraged, facilitating efficient problem-solving and decision-making.

📝 Enhancement Note: The company's values are strongly rooted in a high-performance, agile, and accountable culture. The emphasis on speed, ownership, and directness suggests an environment where proactive individuals who can drive results will thrive.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Speed and Quality: Navigating the demands of rapid iteration and experimentation while maintaining a high standard of UI craft and user experience.

• Designing for Scale: Creating interfaces that are performant, intuitive, and visually appealing for a global user base of over 25 million.

• Evolving Design System: Contributing to and managing a design system in a hyper-growth environment, ensuring it remains scalable and adaptable.

• Data Interpretation: Effectively translating complex user data and A/B test results into actionable design improvements.

• AI Integration: Staying abreast of and effectively integrating emerging AI tools into the design workflow.

Learning & Development Opportunities:

• Advanced UI/UX Techniques: Deepen expertise in areas like micro-interactions, advanced animation, and user behavior design.

• Data Analytics for Designers: Develop stronger skills in interpreting user data, A/B testing results, and performance metrics.

• Design System Architecture: Gain experience in the strategic design and governance of large-scale design systems.

• Leadership & Mentorship: Opportunities to mentor junior designers and take on leadership responsibilities within design projects.

• Industry Trends: Exposure to cutting-edge practices in mobile gaming, B2C product design, and AI applications in design.

📝 Enhancement Note: The challenges presented are typical for a senior role in a fast-paced tech company, particularly in the gaming industry. The growth opportunities are aligned with advancing design expertise, leadership, and strategic thinking within a data-driven, hyper-growth environment.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you owned a feature from concept to launch. What were the biggest challenges, and how did you overcome them?" (Focus on ownership, process, problem-solving, and impact).

• "How do you approach designing for habit-forming B2C products? Can you give an example from your portfolio?" (Highlight understanding of user psychology, engagement loops, and UI patterns).

• "How would you contribute to and evolve our design system? What principles would you follow?" (Demonstrate understanding of design system best practices, scalability, and collaboration).

• "Given a scenario where A/B test results for a new feature are inconclusive or negative, how would you proceed with design iterations?" (Showcase data-driven decision-making, analytical skills, and iterative design approach). Company & Culture Questions:

• "What excites you about exmox and our mission in the mobile gaming industry?" (Research the company, its brands, and its market position).

• "How do you align with our core values, particularly 'Speed is the feature' and 'See it. Own it. Solve it.'?" (Provide specific examples of how you embody these values).

• "How do you handle constructive feedback on your designs from peers or stakeholders?" (Demonstrate a growth mindset and collaborative approach). Portfolio Presentation Strategy:

• Curate Wisely: Select 3-4 projects that best showcase your mobile UI craft, end-to-end feature design, and design system contributions.

• Tell a Story: For each project, clearly articulate the problem, your role, your process, the design solutions, and the measurable impact (even if qualitative).

• Highlight UI Polish: Emphasize the visual details, interactions, and animations that make your interfaces engaging and performant.

• Explain Your Rationale: Be prepared to defend your design decisions, linking them back to user needs, business goals, and data.

• Showcase Design System Work: Explain how you've contributed to or utilized design systems, focusing on consistency and efficiency.

• Practice Your Pitch: Rehearse your presentation to ensure it's concise, engaging, and within the allotted time.

📝 Enhancement Note: Interview preparation should focus on demonstrating not just design skill but also a strategic, data-informed, and proactive approach aligned with exmox's high-performance culture. The portfolio presentation is a critical component, requiring a clear narrative of impact and process.

📌 Application Steps

To apply for this Senior Product Designer position:

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

• Curate Your Portfolio: Select 3-4 of your strongest projects that best demonstrate your mobile UI craft, end-to-end feature design experience, and contributions to design systems. Ensure it highlights habit-forming design and visual polish.

• Optimize Your Resume: Tailor your resume to emphasize your 5+ years of experience in product/UI design, highlight proficiency in Figma and other relevant tools, and showcase achievements in B2C consumer products and potentially the gaming industry.

• Prepare Your Portfolio Presentation: Practice walking through your selected projects, clearly articulating the problem, your process, design solutions, and their impact. Be ready to discuss your rationale and how you collaborate with cross-functional teams.

• Research exmox: Understand the company's mission, its brands, its position in the mobile gaming market, and its core values. Be prepared to articulate why you are a good fit for their culture and this specific role.

⚠️ 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.

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