We are Kolibri Games - a mobile games developer from Berlin. We believe that with the best people, we can make games that players will enjoy for years to come.
Our games have defined the idle genre, and bring enjoyment to hundreds of millions of players all around the world. This is possible due to the talented people who make us who we are. ‘Kolibris’, as we call ourselves, are on a mission to continue making great games and we're looking for new talent to join our team. We strive to offer you a fair recruitment process and a great candidate experience, as well as a friendly environment to work in, with plenty of opportunities to learn and grow.

UI/UX Designer (f/m/d)

We are looking for a UI/UX Designer to work on our hit game ‘Idle Bank Tycoon’.
You will be part of our IBT Team, contributing to a game with over 60 million downloads. In this role, you will design screens, flows, and prototypes, conduct playtests, and refine user-centric designs. Working in an agile, fast-paced environment, you’ll help identify and develop future features by gaining a deep understanding of our player needs and motivations. By leveraging data, player insights, and F2P expertise, you’ll ensure the game remains intuitive, visually polished, and highly engaging - always keeping the player experience at the heart of every decision. Responsibilities

Work closely with product and cross-functional teams to enhance player experiences

Create concepts, prototypes, user flows, and mockups for existing and new features

Design and maintain UI Assets, icons, interactive elements, and UI/UX documentation

Use player feedback, data, and usability testing to refine designs

Proactively propose and evaluate design improvements with product impact in mind.

Be an active contributor in improving design team processes

Conduct surveys and research, translating player insights into design actions

Organize UI layouts and content hierarchies for usability, consistency, and navigation

Required skills

Prior experience in the gaming industry

Experience in interface design and user flows, showcased by your portfolio

Good understanding of design and perception principles

Strong visual design skills, capable of creating low and high fidelity mockups

Proficiency in Photoshop, Illustrator, Figma, or similar design tools

Skilled in creating wireframes, user flows, prototypes, and conducting user tests

Excellent communication and experience working in a fast-paced environment

Actively plays mobile games and keeps up with industry trends

Player-centric mindset

Desirable skills

Basic knowledge of game design, human psychology, and behavioral science.

Experience in organizing and conducting usability tests and player research

Experience in creating and implementing UI assets and animations in Unity.

Kolibri Games is an equal opportunity employer. We come from 40 different countries and many different backgrounds. We celebrate diversity and we are committed to creating an inclusive environment for all employees, regardless of their age, gender identity, sexual orientation, ethnicity, religion, physical appearance or disability.
We are an international studio, so don’t forget to send in your application in English. Although it is not mandatory, we always appreciate a cover letter stating your motivation to join us.
We look forward to hearing from you!
Your Benefits – We’re game to support you
Competitive Salary - We believe that top performers should receive top paymentLearning Budget - We believe in learning. A generous personal learning budget to spend on learning and development, including books, workshops and attending conferences. We also offer in-house training such as coding and German classesFlexible Working Hours and Home Office – We believe in a good work-life balanceEquipment - State-of-the-art technical equipment, including laptops and phones, which may also be used in your free timeKolicard - We offer you a monthly flexible budget of 50 euros that you can use for a gym membership, transportation, shopping etc.Mobility budget - We offer a monthly budget that will make your commuting to work easier Relocation - Relocation support to help you move to BerlinPension - Opportunity to save for your pension tax-free
Bonus Level – We love to have a good time, too
Food and Drinks - Fresh fruits to keep you healthy and fresh coffee to keep you alert. We also have a fully stocked fridge with Smoothies, Coke, Club Mate, beer etcParties and Team Events - Apart from our regular parties, BBQs and movie nights we also have a team event budget you can use to buy games or sports equipment to make working here even more funCompany Holidays - Every year we go on an amazing company holiday to relax and bond as a teamFriday Celebrations - Company-provided dinner and drinks on Friday afternoons