UI/UX Designer (f/m/d)

As a UX/UI Designer, you will be part of our cross-functional development teams and responsible for the user interface design and user experience of our dashboards, including all aspects of branding, design, usability and function.

adjoe is redefining the future of mobile ads. Powered by advanced AI, first-party data and world-class engineers, we’ve perfected the offerwall experience for monetizing and scaling app publishers with solutions like Playtime and Arcade – now the fastest growing rewarded advertising channel globally – driving incremental engagement, retention, and revenue.

At the same time, we’re breaking into programmatic advertising with the intelligent bidding system of adjoe Ads. Together, this ecosystem connects app developers to over 600 million users worldwide for scalable growth. Backed by a $100 million investment from Bertelsmann and operating from offices in Hamburg, Boston, Singapore, and Tokyo, adjoe is defining the next stages of app and ad experience – right now. Join us.

Meet Your Team: Advertising Solutions

The Advertising Solutions team builds technologies that connect advertisers with ideal users for their apps and games. Integrated with adjoe’s ML models, our custom APIs serve 2B requests per day at low latency.

We've developed advertising campaign management and complex analytics tools that provide actionable insights on 200 million daily users to both internal teams and external partners. Our Go-based backend feeds data to a TypeScript React frontend, supporting sophisticated analysis tools built on columnar databases like Druid for sub-millisecond query response times, complemented by MySQL, Redis, DynamoDB, and Kafka.

For developers, this means working on high-performance systems that process massive datasets while maintaining an agile development approach – implementing advanced algorithms through deep learning approaches for campaign distribution and bid optimization, building intuitive dashboards, and creating APIs that power business decisions across the entire advertising ecosystem.

What you will do:

• You are involved in the whole product development process of our dashboard used by advertisers to launch and measure their campaigns.
• You support and guide the cross-functional team in UX related questions
• You act as the main driver for all user experience related topics and bring them to final concept
• You will develop design concepts, create research designs for prototype validation and carry out user tests
• You will carry out user research and analysis and proactively make specific suggestions for optimizations
• You are user oriented and data oriented in making design and user experience decisions.
• You will stay updated with the latest trends and developments in mobile games and enterprise software
• You will be part of an international, English-speaking team that builds our disruptive Ad Tech platform
• Last but not least: when it comes to UX related questions you are the first point of contact for all colleagues and the top management

Who you are:

• 3+ years of demonstrated experience in creating and implementing UX design from scratch.
• Professional experience with UX/UI design for mobile games and/or enterprise software is a bonus
• Ability to work effectively in a collaborative agile environment, with developers, product managers and other stakeholders to create top-performing UX for apps
• Proficient with visual design programs such as Adobe XD, Figma, Zeplin, InVision, Photoshop and others
• Profound experience creating storyboards, user flows, wireframes, interaction design, prototyping and user testing
• Expert knowledge in methods, tools and frameworks such as design thinking, user flows, interaction design, user research.

Fuel for the Journey: Benefits to Support Your Ambitions

• Invest in Your Future: Regular feedback and our development program support your growth, helping you expand your skillset and achieve your career goals.
• Easy Arrival to adjoe: From signing to settling in Hamburg, we’ve got you covered. Need a visa? No problem. Ready to build your new life and career at adjoe in Hamburg? We support every ambition—from learning German to a relocation bonus that helps you settle in and make Hamburg feel like home.
• Live Your Best Life, at Work and Beyond: We work in a hybrid setup with 3 core office days, plus flexible working hours. Enjoy 30 vacation days, 3 weeks of remote work per year, and free access to an in-house gym with lots of different fitness classes and mental health support through our Employee Assistance Program (EAP).
• Thrive Where You Work: Enjoy the Alster lake view from our central office with top-notch equipment, fun open spaces, and a large variety of snacks and drinks.
• Join the Community! Participate in regular team and company events, including hackathons and social gatherings. We work together, and we celebrate together, too.