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Hi, I’m Hasan Hosseini, a seasoned game programmer specializing in Unity-based development, gameplay systems, and multiplayer. I lead teams, craft design docs, and ship polished experiences from Tehran to Los Angeles, with a focus on scalable architecture, robust tooling, and engaging player experiences. I’ve contributed to several titles, founded a startup, and enjoy mentoring others while pushing for creative solutions. I thrive in remote and distributed teams and love turning ambitious ideas into playable realities.…Hi, I’m Hasan Hosseini, a seasoned game programmer specializing in Unity-based development, gameplay systems, and multiplayer. I lead teams, craft design docs, and ship polished experiences from Tehran to Los Angeles, with a focus on scalable architecture, robust tooling, and engaging player experiences. I’ve contributed to several titles, founded a startup, and enjoy mentoring others while pushing for creative solutions. I thrive in remote and distributed teams and love turning ambitious ideas into playable realities.

Hasan Hosseini

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Hi, I’m Hasan Hosseini, a seasoned game programmer specializing in Unity-based development, gameplay systems, and multiplayer. I lead teams, craft design docs, and ship polished experiences from Tehran to Los Angeles, with a focus on scalable architecture, robust tooling, and engaging player experiences. I’ve contributed to several titles, founded a startup, and enjoy mentoring others while pushing for creative solutions. I thrive in remote and distributed teams and love turning ambitious ideas into playable realities.…Hi, I’m Hasan Hosseini, a seasoned game programmer specializing in Unity-based development, gameplay systems, and multiplayer. I lead teams, craft design docs, and ship polished experiences from Tehran to Los Angeles, with a focus on scalable architecture, robust tooling, and engaging player experiences. I’ve contributed to several titles, founded a startup, and enjoy mentoring others while pushing for creative solutions. I thrive in remote and distributed teams and love turning ambitious ideas into playable realities.

Available to hire

Hi, I’m Hasan Hosseini, a seasoned game programmer specializing in Unity-based development, gameplay systems, and multiplayer. I lead teams, craft design docs, and ship polished experiences from Tehran to Los Angeles, with a focus on scalable architecture, robust tooling, and engaging player experiences.

I’ve contributed to several titles, founded a startup, and enjoy mentoring others while pushing for creative solutions. I thrive in remote and distributed teams and love turning ambitious ideas into playable realities.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Persian

Fluent

English

Advanced

Work Experience

Lead Game Programmer at Byzantian Interactive

February 1, 2023 - Present

Led the development of a vertical slice to secure investors, created GDs and technical documentation to enhance team efficiency, and implemented source control while training teams. Managed agile sprints, guided development workflows, and leveraged advanced gameplay systems.

Lead Prototype Developer at Byzantian Interactive

December 1, 2023 - October 14, 2025

Led prototype development, utilizing the gameplay system for efficient abilities. Innovated precise sword tracing in Low-FPS scenarios and designed a flexible combo system. Enabled ability modifications in the animation notification window and ensured code clarity with Docker.

Chief Executive Officer at Ilia Game Co

May 1, 2023 - October 14, 2025

Founded and led a team of four, managed remote and contracted members. Directed the development of MR Minister in Unity3D, achieving 200K+ downloads in under three months with minimal advertising. Oversaw team communication, ensuring project alignment and active participation. Developed a leaderboard and player registration system using ASP.NET and MongoDB. Despite the game's success, the company closed due to financial missteps, but MR Minister remains a top-growing app in the local store.

Gameplay Programmer at Digital Project

May 1, 2022 - October 14, 2025

Developed multiple Unity prototypes, including a bullet-hell rogue-lite and a hyper-casual COVID-19 game for publisher testing. Created Happy Train, a casual mobile game on Google Play, handling gameplay, in-app purchases, and rewarded ads. Built custom Java plugins for vibration consistency and implemented dynamic rail systems with spawns and procedural level generation. Led Blood Lines multiplayer development, optimizing networking, memory (saving 700 MB), and dynamic gameplay systems.

Game Programmer at Ilia Game Co

January 1, 2019 - October 14, 2025

Developed character movement, including running and climbing, for In the Name of Freedom: Episode 1 Vietnam. Designed advanced AI for soldiers and animals using Behavior Trees. Contributed to immersive cut-scenes with Matinee and enhanced realism with custom shaders, including dynamic wetness effects.

Persian Young Game Developer at Persian Young Game Developer

January 1, 2017 - October 14, 2025

Refined character movement, weapon systems, and interactive elements like ladders. Developed enemy and ally AI with dynamic vision and hearing systems, enhancing realism and player engagement.

Pigeon of Medina Developer at Matlae Fajr

January 1, 2017 - October 14, 2025

Developed Pigeon of Medina, a 3D simulation game for Android, iOS, and PC. Optimized performance for large open areas with NPCs, ensuring smooth gameplay on low-end devices.

Lead Gameplay Programmer at Byzantian Interactive

February 1, 2023 - Present

Led the development of a vertical slice to secure investors, created GDDs and technical documentation to enhance team efficiency, and implemented source control while training teams. Managed agile sprints, guided development workflows, and leveraged advanced gameplay systems.

Chief Executive Officer at Ilia Game Co

May 31, 2023 - October 14, 2025

Founded and led a four-person team, managed remote and contracted members. Directed the development of MR Minister in Unity 3D, achieving 200K+ downloads in under three months with minimal advertising. Oversaw team communication, ensuring project alignment and active participation. Developed a leaderboard and player registration system using ASP.NET and MongoDB.

Gameplay Programmer at Digital Project

May 31, 2022 - October 14, 2025

Developed multiple Unity prototypes, including a bullet-hell roguelite and a hyper-casual COVID-19 game for publisher testing. Created Happy Train, a casual mobile game on Google Play, handling gameplay, in-app purchases, and rewarded ads. Built custom Java plugins for vibration consistency and implemented dynamic rail systems with splines and procedural level generation. Led Blood Lines multiplayer development, optimizing networking, memory (saving 700 MB), and dynamic skills systems.

Game Programmer at Hammer Games

January 31, 2019 - October 14, 2025

Game Programmer at Matlae Fajr

January 31, 2017 - October 14, 2025

Refined character movement, weapon systems, and interactive elements like ladders. Developed enemy and ally AI with dynamic vision and hearing systems, enhancing realism and player engagement.

Lead Game Programmer at Cognitive Science and Technology Innovation Center of IUST

May 1, 2023 - December 1, 2023

Led prototype development, utilizing the gameplay system for efficient abilities. Innovated precise sword tracing in low-FPS scenarios and designed a flexible combo system. Enabled ability modifications in the animation notification window and ensured code clarity with Doxygen. Key contributor to Marzhaye Moghavem at, a Twin Stick Shooter game.

Chief Executive Officer at Ilia Game Co

January 1, 2022 - May 1, 2023

Founded and led a team of four, managing remote and contracted members. Directed the development of MR Minister in Unity 3D, achieving 200K+ downloads in under three months with minimal advertising. Oversaw team communication, ensuring project alignment and active participation. Developed a leaderboard and player registration system using ASP.NET and MongoDB. Despite the game's success, the company was forced to close due to financial missteps, but MR Minister remains a top-growing app in the local store.

Gameplay Programmer at Digital Project

February 1, 2019 - May 1, 2022

Developed multiple Unity prototypes, including a bullet-hell rogue-lite and a hyper-casual COVID-19 game for publisher testing. Created Happy Train, a casual mobile game on Google Play, handling gameplay, in-app purchases, and rewarded ads. Built custom Java plugins for vibration consistency and implemented dynamic rail systems with splines and procedural level generation. Led Blood Lines multiplayer development, optimizing networking, memory (saving 700 MB), and dynamic systems.

Game Programmer at Hammer Games

January 1, 2017 - January 1, 2019

Game Programmer at Persian Young Game Developer

January 1, 2016 - January 1, 2017

Refined character movement, weapon systems, and interactive elements like ladders. Developed enemy and ally AI with dynamic vision and hearing systems, enhancing realism and player engagement.

Persian Young Game Developer at Matlae Fajr

January 1, 2014 - January 1, 2017

Developed Pigeon of Medina, a 3D simulation game for Android, iOS, and PC. Optimized performance for large open areas with NPCs, ensuring smooth gameplay on low-end Android devices. Delivered a seamless experience across multiple platforms.