Senior UI Designer - B2C Mobile (f/m/x)

Your mission

This is a company built for growth.

When you join exmox, you’re stepping onto a global, highly competitive playing field, solving real problems in environments that push you beyond your comfort zone.

We build high-performing consumer products across multiple brands in one of the most competitive industries there is: mobile gaming. You will be part of a company on a path of hyper-growth, spearheading one of the largest innovations in the mobile gaming industry, rewarded user acquisition.

As a Senior UI Designer (f/m/x/) at exmox, you'll join our product design team to shape the user interface and experience of our mobile-first B2C product, impacting millions of users. You'll own features from concept to handoff and create polished, engaging, habit-forming interfaces. This role is about designing experiences that perform. You’ll work at the intersection of user behavior, data, and business goals, shaping flows that drive engagement and revenue. Your work reaches over 25 million users and feeds directly into experimentation and iteration, letting you see the real impact of your decisions.

Our product design team is growing in maturity, and you’ll play a key role in shaping how design works at exmox. If you want high impact, real ownership, and a product at scale, we want to hear from you.

What You’ll Own:

• Feature ownership: Own and design new features from concept through final handoff.
• UI design: Design visually engaging and highly polished interfaces for our B2C mobile app.
• Visual assets: Create illustrations, icons, and other graphical assets to support your designs.
• Developer handoff: Deliver production-ready assets, specifications, prototypes, and documentation to engineering teams.
• Design system: Build, maintain, and contribute to our evolving design system.
• Design quality: Conduct design reviews to ensure implementations match the intended designs.
• Research collaboration: Work closely with UX research and data teams to evaluate and improve your designs.
• Iteration & feedback: Gather feedback and continuously refine and improve your work.

What’s in it for you as a designer?

• Impact: Your work directly influences a product used by millions. You’ll see the effect of your design decisions on business KPIs and learn how to create value through design.
• Data-driven culture: Data sits at the core of every decision we make. You’ll design, test, and iterate based on real user insights and performance metrics.
• Large global user base: You’ll design for a product with over 25 million users worldwide, operating at true scale.
• Growing design maturity: Our product design team is on a journey to elevate design maturity at exmox, and you’ll actively shape and contribute to that evolution.
• Cross-functional design team: You’ll collaborate within a dedicated design team including Product designers, UI Designers, and UX Researcher.

Your profile

• Portfolio: A portfolio showcasing outstanding mobile UI craft and visual design.
• Professional experience: 5+ years of experience working in product teams as a UI, UI/UX, or Product Designer.
• Consumer product design: Experience designing habit-forming, engaging, consumer-facing interfaces.
• Industry background: Experience in marketing, gaming, or other B2C-heavy industries is a plus.

Hard Skills:

• Design tools: Strong proficiency in Figma.
• Motion & interaction design: Expertise in motion design, animation, and transitions to craft dynamic interfaces.
• Visual asset creation: Expertise in creating illustrations, iconography, and other visual assets.
• Design systems: Expertise in designing, shipping, and maintaining design systems.
• Multi-brand products: Experience with multi-brand, white-label products and theming systems.
• Brand identity: Experience in defining, designing, and documenting brand identities.
• Copywriting: Experience in copywriting, including defining tone, voice, and messaging.
• Accessibility & usability: Strong knowledge of accessibility and usability principles.
• Frontend awareness: Understanding of front-end technologies and implementation constraints.
• Language skills: Fluency in English; German is a plus.

Soft Skills:

• Ownership: You take full responsibility for your work, drive initiatives forward, align stakeholders, and ensure meaningful value delivery.
• Proactiveness: You anticipate challenges, identify opportunities, and take initiative without waiting for direction.
• Prioritisation: You focus on what matters most, balance speed and quality, and manage your workload effectively in a fast-paced environment.
• Feedback mindset: You give constructive feedback thoughtfully and embrace feedback as an essential part of iteration and growth, comfortably navigating multiple refinement cycles.
• Creative thinking: You explore a wide range of ideas and solutions from safe bets to bold, out-of-the-box concepts to achieve the most impactful outcome.

Why us?

• Ambitious people, real ownership. You’ll work with driven, entrepreneurial people who care deeply about what they deliver, challenge each other openly, and own outcomes together.
• We’re playing at the top, but we’re not done. Our apps rank in the top 5 of their categories. We’re determined to push further, compete harder, and earn the number one spot.
• You own your own growth. Growth doesn’t happen by accident. At exmox, learning is built into the work - through responsibility, feedback, and real challenges.
• Perks that help you focus on what matters. Transport subsidy, learning budget, wellness and gym, workation, bi-weekly team lunches, and more. The perks are great - but the real reason people join and stay is the challenge, the people, and the drive to win together.

Please note: this is not a remote only position, we offer you a flexible hybrid model here in Hamburg, Germany - working from home on Mondays & Fridays, coming to the office on Tuesday, Wednesday & Thursday!