Hi, I’m Pavel Kosoi, a Unity Game Developer based in Liverpool, UK, with 5 years of experience in game development. I specialize in gameplay programming, performance optimization, UI/UX implementation, and team management. One of my games surpassed 50 million downloads on Google Play, and I’m the author of a successful Unity C# course. I also hold the UK Global Talent Visa. I enjoy turning ideas into fast prototypes (1-2 weeks) or driving long-term development for complex systems. You can find my video portfolio and links here: [Video showcase presentation]. I’ve worked on a broad range of gameplay mechanics and online features across mobile titles, collaborating with cross-functional teams to ship polished experiences. I’m a proactive learner who thrives in autonomous, self-directed settings and loves sharing knowledge with others.

Pavel Kosoi

Hi, I’m Pavel Kosoi, a Unity Game Developer based in Liverpool, UK, with 5 years of experience in game development. I specialize in gameplay programming, performance optimization, UI/UX implementation, and team management. One of my games surpassed 50 million downloads on Google Play, and I’m the author of a successful Unity C# course. I also hold the UK Global Talent Visa. I enjoy turning ideas into fast prototypes (1-2 weeks) or driving long-term development for complex systems. You can find my video portfolio and links here: [Video showcase presentation]. I’ve worked on a broad range of gameplay mechanics and online features across mobile titles, collaborating with cross-functional teams to ship polished experiences. I’m a proactive learner who thrives in autonomous, self-directed settings and loves sharing knowledge with others.

Available to hire

Hi, I’m Pavel Kosoi, a Unity Game Developer based in Liverpool, UK, with 5 years of experience in game development. I specialize in gameplay programming, performance optimization, UI/UX implementation, and team management. One of my games surpassed 50 million downloads on Google Play, and I’m the author of a successful Unity C# course. I also hold the UK Global Talent Visa. I enjoy turning ideas into fast prototypes (1-2 weeks) or driving long-term development for complex systems. You can find my video portfolio and links here: [Video showcase presentation].

I’ve worked on a broad range of gameplay mechanics and online features across mobile titles, collaborating with cross-functional teams to ship polished experiences. I’m a proactive learner who thrives in autonomous, self-directed settings and loves sharing knowledge with others.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Advanced
Russian
Fluent

Work Experience

Unity Game Developer / Team Lead at Hookah Games
August 1, 2023 - Present
Leading a team of 4 developers focused on mobile action games. Managed task assignment and tracking with ClickUp and Notion. Built core gameplay systems, UI/UX, and online multiplayer mechanics using Photon PUN 2. Integrated MAX mediation and multiple analytics SDKs. Supported live games with SDK and feature updates, and released several high-download games, including "Nextbots in Playground mod" with 40M+ downloads and "Nextbots in Backrooms: Shooter" with 10M+ downloads on Google Play.
Course Author – "C# for Game Development" at XYZ Network
April 1, 2024 - August 14, 2025
Authored a Unity-focused C# course for beginner developers emphasizing practical game development skills. Contributed to high-level course structure and learning goals. Independently designed detailed syllabi and lesson content for 20+ video lessons covering gameplay systems, OOP, async workflows, and fundamentals of scripting. Recorded 20+ educational videos featuring Unity gameplay systems and live coding. Provided technical guidance to 100+ enrolled students. Published on XYZ School platform.
Unity Game Developer at EveryDayGames
July 1, 2023 - August 14, 2025
Created and tested casual mobile games using Unity and C#. Participated in concept development and rapid prototyping. Integrated gameplay logic, UI systems, and monetization features. Managed full analytics SDK stack across projects. Published multiple titles on Google Play, including "Toilet War.io – Final Battle" (50K+ downloads), "WarPath.io" (10K+ downloads), and "Brain Balls – Fun Construction" (5K+ downloads).
Unity Game Developer at Tea Games
December 1, 2022 - August 14, 2025
Built casual mobile games in a small team environment. Supported game concept development and rapid prototyping. Delivered core gameplay systems and UI components. Maintained analytics integrations in multiple live games.
Unity Game Developer at Infected Games
July 1, 2022 - August 14, 2025
Developed and published "Stretch Nightmare" (100K+ downloads on Google Play). Designed gameplay levels and character behavior using Unity and C#. Implemented core game mechanics, UI flow, and user feedback components.
Unity Game Developer Lead at Rate (Digital Sox)
April 1, 2022 - August 14, 2025
Created prototype-level gameplay using Unity Visual Scripting (Bolt). Designed characters, levels, and simple interaction logic for casual game concepts. Participated in gameplay ideation and level balancing with a small development team. Transitioned from visual scripting to writing C# code in Unity projects.
Unity Game Developer / Team Lead at Hookah Games
September 1, 2025 - October 18, 2025
Led a team of 4 developers to build core gameplay, UI/UX, and online features for mobile action games. Implemented online multiplayer mechanics with Photon PUN 2, integrated analytics SDKs (AppsFlyer, Facebook SDK, GameAnalytics, AppMetric), and shipped high-traffic titles with ongoing live updates and monetization support.
Unity Game Developer at Everyday Games
July 31, 2023 - October 18, 2025
Developed casual mobile games, contributed to gameplay systems, UI/UX, and online features; engineered online multiplayer capabilities and integrated analytics across live titles.
Unity Game Developer at Infected Games
July 31, 2022 - October 18, 2025
Published and iterated on mobile titles; designed gameplay levels and character behavior, implemented core gameplay mechanics and UI flows, and gathered user feedback for rapid iteration.
Unity Game Developer Lead at Digital Sox
April 1, 2022 - October 18, 2025
Led prototype-level gameplay development, balance, and feature work; guided a small team and contributed to core gameplay systems and tooling.
Unity Game Developer at Team Games
December 1, 2022 - October 18, 2025
Built casual mobile games in a small team; supported game concept development, rapid prototyping, core gameplay systems, UI components, and live analytics integrations.
Unity Game Developer Lead at Hookah Games
September 1, 2025 - October 18, 2025
Leading a team of 4 developers; managed task assignment and tracking using ClickUp & Notion. Built core gameplay systems, UI/UX, and online multiplayer mechanics (Photon PUN 2). Integrated analytics SDKs (AppsFlyer, Facebook SDK, GameAnalytics, AppMetrica) and supported live games with feature updates. Released high-download titles including 'Nextbots in Playground mode' (50M+ downloads on Google Play), 'Nextbots in Backrooms: Shooter' (10M+), and 'Universe Playground Games' (1M+). Drove asset pipelines via Google Play Asset Delivery; optimized memory and runtime performance and contributed to release processes.
Course Author at XYZ Network
April 1, 2024 - October 18, 2025
Authored a Unity-focused C# course for beginner developers. Contributed to course structure and learning goals; wrote 20+ video lessons covering gameplay systems, OOP, async workflows, and scripting fundamentals. Recorded and published educational videos; provided technical guidance and support to 100+ enrolled students. Published on XYZ School platform.
Unity Game Developer at Every Day Games
July 1, 2023 - October 18, 2025
Created and tested casual mobile games using Unity and C#. Participated in concept development and rapid prototyping; implemented core gameplay logic, UI systems, and monetization features. Managed analytics integrations across live games (AppsFlyer, GameAnalytics, AppMetrica) and published titles on Google Play, including 'Toilet War.io - Final Battle' (50K+ downloads), 'Warpath.io' (10K+), and 'Brain Balls - Fun Construction' (5K+).
Unity Game Developer Lead at Digital Sox
April 1, 2022 - October 18, 2025
Created prototype gameplay loops, character interactions, and level design; led code architecture and team coordination. Implemented online features and optimized runtime performance; contributed to live features and iterative improvements.
Unity Game Developer at Infected Games
July 1, 2022 - October 18, 2025
Developed and published 'Stretch Nightmare' (100K+ downloads on Google Play). Designed gameplay levels and basic character behavior in Unity and C#. Implemented core gameplay mechanics, UI flow, and user feedback elements.
Unity Game Developer at Tea Games
December 1, 2022 - October 18, 2025
Built casual mobile games in a small team; supported gameplay concept development and rapid prototyping. Delivered core gameplay systems and UI components; maintained analytics integrations across live games.

Education

Vocational Diploma in Advertising at Petrovsky College
January 1, 2019 - January 1, 2019
Vocational Diploma in Advertising at Petrovsky College
January 1, 2019 - October 18, 2025
Vocational Diploma in Advertising at Petrovsky College
January 1, 2019 - December 31, 2019
Unity & C# development at Self-taught
January 1, 2020 - October 18, 2025
Online courses in game design & programming at XYZ School
January 1, 2020 - December 31, 2020
C# for Game Development at XYZ Network
September 1, 2023 - April 1, 2024

Qualifications

UK Global Talent Visa
January 11, 2030 - August 14, 2025
C# for Game Development
September 1, 2023 - April 1, 2024
Online courses in Game Design & Programming
January 1, 2020 - December 31, 2020
UK Global Talent Visa
January 11, 2030 - October 18, 2025
Unity C# Course Author
September 1, 2023 - April 1, 2024
Online courses in game design & programming
January 1, 2020 - December 31, 2020

Industry Experience

Gaming, Education, Software & Internet, Media & Entertainment, Professional Services