Full-Time

UI/UX Designer

Kolibri Games

Kolibri Games

51-200 employees

Mobile games developer, idle genre specialist

No salary listed

Berlin, Germany

Hybrid

Relocation support to Berlin.

Category
UI/UX & Design (1)
Required Skills
UI/UX Design
Usability Testing/Engineering
Adobe Photoshop
Figma
Adobe Illustrator
Information Architecture
Graphic Design

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Requirements
  • 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
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
Desired Qualifications
  • 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 a mobile game developer based in Berlin. It creates games that players can enjoy for many years and reach hundreds of millions of players worldwide. The company focuses on building strong teams and a positive work environment to develop entertaining games, with a mission to reinvent the idle genre. Games are designed to be played on mobile devices and kept engaging over long periods, leveraging the work of diverse teams across the organization. Kolibri Games differentiates itself by prioritizing a collaborative, appreciative culture, clear career paths, and a commitment to long-term player satisfaction rather than quick hits. The company’s goal is to deliver long-lasting, enjoyable idle games and grow a thriving community around them.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

Berlin, Germany

Founded

2016

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Simplify Jobs

Simplify's Take

What believers are saying

  • Idle Miner Tycoon received June 2026 backend and event updates, signaling active monetization.
  • Apple highlighted Green Game Jam 2026 events, showing liveops reach and engagement.
  • Kolibri Games posted open roles on July 16, 2026, indicating continued investment.

What critics are saying

  • Ubisoft cut up to 380 jobs on June 10, 2026, tightening Kolibri’s parent.
  • Idle Miner Tycoon remains the core asset, making revenue concentration severe.
  • Website says portfolio expansion is ongoing, but new-game traction is unproven; a flop hurts survival.

What makes Kolibri Games unique

  • Idle Miner Tycoon still ships weekly updates on iOS and Android in 2026.
  • Kolibri Games owns a proven idle hit with 150 million downloads.
  • Berlin-based team keeps hiring for product, QA, and economy roles in 2026.

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Benefits

Professional Development Budget

Conference Attendance Budget

Training Programs

Flexible Work Hours

Remote Work Options

Relocation Assistance

Commuter Benefits

Company Holidays

Friday Celebrations

Parties and Team Events

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%
Games Press
Jan 16th, 2023
"Kolibri Games Hires Jakub Trancik as New Product Director"

Berlin, 15 January 2023 | Mobile games studio Kolibri Games has appointed Jakub Trancik as its new Product Director for its flagship title Idle Miner Tycoon.

Games Press
Jan 4th, 2023
"Kolibri Games' Idle Bank Tycoon Launches on Mobile"

In February 2020, Kolibri Games was acquired by French gaming giant Ubisoft.

Steel Media Ltd
Sep 13th, 2022
Idle Miner Tycoon Hits 150 Million Downloads

Kolibri Games announced on Twitter the milestone of 150 million downloads for their flagship mining management title Idle Miner Tycoon, these downloads come in from across both the Google Play Store and Apple App Store. Berlin-based studio Kolibri Games, who have created a series of free-to-play tycoon games, was created in 2016 as Fluffy Fairy Games but later changed its name to Kolibri Games, the first game the studio produced was Idle Miner Tycoon which gained popularity due to its core gameplay loop and live operations setup, the two together offering a series of in-game events and updates

Steel Media Ltd
Mar 7th, 2022
Kolibri Games GmbH launched Idle Miner Tycoon on Facebook Gaming, the first platform expansion since the game’s original iOS and Android on Mar 7th 16'.

Berlin-based Kolibri Games has announced the release of Idle Miner Tycoon on Facebook Gaming, the first platform expansion since the game’s original iOS and Android release six years ago.

Steel Media Ltd
Feb 23rd, 2022
Kolibri Games hires Dzmitry Yudo as product director for new games

In other recent job news, Kolibri Games has hired Dzmitry Yudo as product director for new games to lead the inititative for its idle games projects.