Senior UX/UI Designer

About the role

This role is your opportunity to shape the design vision of a platform used by millions of players worldwide. You will own the end-to-end design for key features centered on content discovery, player motivation, and engagement. The position requires you to bring deep, proven expertise in gamification to create experiences that inspire players and directly drive retention and satisfaction. You will be responsible for elevating the product design function and ensuring that every player interaction contributes to JustPlay's growth and mission. In this capacity, you will help unlock operational efficiency by integrating AI tools and workflows across the digital product development lifecycle. The goal is to help teams move faster and smarter while maintaining a high standard of design quality. You will work closely with cross-functional partners to deliver both bold long-term strategic ideas and immediate, high-impact improvements that move the business forward.

Key facts

What you'll do

Contribute to user experience from initial concept to final launch, developing and advocating a strong design vision for one of the world's top entertainment apps.

Create user-centric designs, wireframes, prototypes, and mockups specifically for the JustPlay mobile app, ensuring clarity and usability.

Develop features that elevate the entire player journey, placing special emphasis on game discovery mechanics and loyalty gamification strategies.

Drive measurable business outcomes through design decisions that carefully balance player delight with company growth and retention goals.

Support the evolution of JustPlay's design guidelines and design system to ensure consistency and scalability across all products.

Partner closely with product managers, engineers, and stakeholders to develop innovative solutions that are technically feasible and aligned with constraints.

Apply established platform best practices for iOS and Android to guarantee high-quality design interactions and experiences across all devices.

Transform research insights, user feedback, and analytics data into actionable design concepts that solve real user problems.

Work with cross-functional leaders to identify areas where AI and automation can streamline design operations and improve team efficiency.

Establish and maintain effective design processes that scale as the product and team grow, removing bottlenecks along the way.

Proactively identify opportunities to enhance product usability through testing, iteration, and data-informed improvements.

Stay current with mobile gaming trends, user behaviors, and the broader advertising ecosystem to keep designs relevant and competitive.

Foster a high-performing, growth-minded design team by providing mentorship, clear feedback, and constructive guidance.

Champion product design principles throughout the organization by educating stakeholders and promoting design-led decision-making.

Contribute actively to building a culture of craft, collaboration, and continuous learning within the design organization.

Requirements

Candidates must possess 2-3 years of experience designing end-to-end mobile product experiences, ideally within the gaming or entertainment sectors. You should have a track record of scaling or refining established design teams and optimizing existing design processes. A portfolio showcasing impactful mobile design work is essential to demonstrate your practical abilities. Proven expertise in gamification and user engagement strategies is a strict requirement for this position. Expert proficiency in Figma is mandatory for creating and delivering high-fidelity designs. A strong attention to detail and a clear commitment to craft are necessary to meet high-quality standards. You must communicate fluently in English, both in written form and spoken conversations, to collaborate effectively with global teams.

Nice to have

A background in loyalty or rewards platforms is highly valued and preferred for this role. Previous experience in mobile gaming is considered an advantage for candidates. A deep understanding of mobile gaming trends and the advertising landscape will help you create more informed design decisions.

Practical notes

The position is full_time and offers a hybrid work model based in Berlin. Relocation support and visa assistance are available for candidates who require them.

About us

Come join the team building the engine behind rewarded mobile gaming - making playtime truly rewarding. At JustPlay, we're on a mission to power a fairer, more sustainable rewarded gaming ecosystem where users earn real value for their time through a self-sustaining model. Since launching in 2020, we have grown into one of the world's leading rewarded gaming platforms, with 25M+ downloads and 500K+ daily active users. Headquartered in Berlin and backed by NCSoft, one of the world's leading gaming companies, we continue to operate fully independently - combining the speed, ownership, and ambition of a startup with the long-term backing of a global gaming powerhouse.