Mixer

Game Developer

Game Developer with 3+ years of experience in casual and multiplayer game development, proficient in Unity, Photon, and Firebase.

<div class="description"><p>Mixer is a technology-focused mobile game developer and publisher.</p>

<p>We develop mobile games of various genres, with a main focus on mobile games that enable social interaction. As the developer of Fundle, a mobile gaming platform that focuses on the "party-games" domain, allowing players to play fun games with their loved ones and strangers. In addition to developing games in-house, we also work closely with other game studios and integrate their games into Fundle.</p>

<p>Our office is located in Bostancı / İstanbul and we work hybrid. We are looking for a proactive Game Developer who can actively use Unity, Photon and Firebase in game development stages. </p>
<p></p>
<p><strong>Job Description &amp; Responsibilities:</strong></p>
<ul><li>Contributing development phases while taking responsibility.</li><li>Developing multiplayer games.</li><li>Delivering well-structured code.</li><li>Creating flexible code that can be easily updated as the game evolves.</li><li>Implementing visualizations, animations and effects.</li><li>Working collaboratively with the developer, creative, game designer and product teams.</li></ul>
<p></p>
<p><strong>Qualifications:</strong></p>
<ul><li>3+ years of experience.</li><li>Casual game experience.</li><li>Multiplayer game experience.</li><li>Addressable/CDN knowledge</li><li>Having knowledge of game performance optimization.</li><li>Strong knowledge of game design principles, mechanics, and systems.</li><li>Ability to adapt to new engineering skills, concepts, and software.</li></ul>
<p></p>
<p><strong>Benefits:</strong></p>
<ul><li>Competitive salary with performance-based bonuses.</li><li>Comprehensive private medical insurance.</li><li>Unlimited beverages &amp; snacks in the office.</li><li>Hybrid working.</li><li>Trips, gifts and celebrations.</li><li>Menstruation leave.</li><li>Pets allowed.</li></ul></div>

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Kolibri Games, a mobile games developer from Berlin, is seeking a Freelance AI Artist to support user acquisition (UA) tests for new mobile game concepts. This role is crucial for rapid prototyping and audience validation, requiring the production of a high volume of diverse visual content using AI tools. The artist will collaborate with the Art Director, translate sketches into AI-generated visuals, and contribute to defining AI styles. Responsibilities include daily image and video asset creation, iterative communication, and documenting workflows. The ideal candidate possesses expertise in AI tools, adaptability to various art styles, and strong communication skills. This is a freelance role compensated per asset, emphasizing responsiveness and collaboration.

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This role plays a key part in our rapid prototyping and audience validation efforts, with a strong focus on producing a high volume of diverse visual content to explore market appeal across various themes and styles.</div><div class="section page-centered"><div><h3>Responsibilities</h3><ul class="posting-requirements plain-list"><ul><li>Produce a high volume of images and potentially video assets daily using cutting-edge AI tools for user acquisition testing.</li><li>Collaborate closely with the Art Director through a direct, iterative communication loop to interpret concepts and refine visual styles.</li><li>Translate sketches or concepts from other team members into polished, AI-generated visuals.</li><li>Contribute actively to the definition and training of specific AI styles aligned with desired artistic directions.</li><li>Maintain consistent, responsive communication through Slack or other agreed-upon online channels to ensure smooth teamwork.</li><li>Clearly document workflows and share processes with the broader team to support ongoing learning and improvement.</li></ul></ul></div></div><div class="section page-centered"><div><h3>Required Skills </h3><ul class="posting-requirements plain-list"><ul><li>Demonstrated expertise as an AI Artist, with deep knowledge and practical experience using state-of-the-art AI tools for image and video generation.</li><li>Strong ability to work within stylized art directions and adapt to a variety of visual styles.</li><li>Proficiency in training AI models to achieve specific aesthetic results.</li><li>Excellent communication and collaboration skills, with a proactive mindset for day-to-day interactions.</li><li>Willingness to document workflows and share insights with the team.</li><li>Ability to collaborate effectively with team members providing concepts or sketches.</li><li>Proficiency in written and spoken English.</li><li>A results-driven mindset and a strong interest in games and game development.</li></ul></ul></div></div><div class="section page-centered"><div><h3>Collaboration Model</h3><ul class="posting-requirements plain-list"><ul><li>This is a freelance role based on a per-image/per-video asset compensation model, with an additional allowance for communication and discussion time.</li><li>We’re looking for someone who is reliable, responsive, and committed to building a strong and consistent working relationship. Close, fluid collaboration with our Art Director is essential to ensure alignment with project goals and creative direction.</li></ul></ul></div></div><div class="section page-centered" data-qa="closing-description"><div>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.</div><div><br></div><div>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.</div><div><br></div><div>We look forward to hearing from you!</div><div><br></div><div><span style="font-size: 24px;">Your Benefits – We’re game to support you</span></div><div><br></div><div><b>Competitive Salary&nbsp;</b>- We believe that top performers should receive top payment</div><div><b>Learning Budget</b>&nbsp;- 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 classes</div><div><b>Flexible Working Hours and Home Office</b>&nbsp;– We believe in a good work-life balance</div><div><b>Equipment</b>&nbsp;- State-of-the-art technical equipment, including laptops and phones, which may also be used in your free time</div><div><b>Health and Fitness</b>&nbsp;- We pay a contribution towards a monthly gym membership or a fitness activity</div><div><b>Relocation</b>&nbsp;- Relocation support to help you move to Berlin</div><div><b>Pension</b>&nbsp;- Opportunity to save for your pension tax-free</div><div><br></div><div><span style="font-size: 24px;">Bonus Level – We love to have a good time, too</span></div><div><br></div><div><b>Food and Drinks</b>&nbsp;- 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 etc</div><div><b>Parties and Team Events</b>&nbsp;- 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 fun</div><div><b>Company Holidays&nbsp;</b>- Every year we go on an amazing company holiday to relax and bond as a team</div><div><b>Friday Celebrations&nbsp;</b>- Company-provided dinner and drinks on Friday afternoons</div>

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