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I'm a Unity game developer with over three years of experience creating game mechanics, complex systems, and tools for design and art teams using C#. I specialize in creating gameplay systems and internal tools, writing maintainable code that scales in real-world production. I enjoy collaborating with designers and artists to deliver engaging experiences, and I continually learn new technologies and best practices to improve performance, tooling, and gameplay feel.…I'm a Unity game developer with over three years of experience creating game mechanics, complex systems, and tools for design and art teams using C#. I specialize in creating gameplay systems and internal tools, writing maintainable code that scales in real-world production. I enjoy collaborating with designers and artists to deliver engaging experiences, and I continually learn new technologies and best practices to improve performance, tooling, and gameplay feel.

Agustín Castellanos

Game Developer, Game Tester, Designer, +4

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I'm a Unity game developer with over three years of experience creating game mechanics, complex systems, and tools for design and art teams using C#. I specialize in creating gameplay systems and internal tools, writing maintainable code that scales in real-world production. I enjoy collaborating with designers and artists to deliver engaging experiences, and I continually learn new technologies and best practices to improve performance, tooling, and gameplay feel.…I'm a Unity game developer with over three years of experience creating game mechanics, complex systems, and tools for design and art teams using C#. I specialize in creating gameplay systems and internal tools, writing maintainable code that scales in real-world production. I enjoy collaborating with designers and artists to deliver engaging experiences, and I continually learn new technologies and best practices to improve performance, tooling, and gameplay feel.

Available to hire

I’m a Unity game developer with over three years of experience creating game mechanics, complex systems, and tools for design and art teams using C#. I specialize in creating gameplay systems and internal tools, writing maintainable code that scales in real-world production.

I enjoy collaborating with designers and artists to deliver engaging experiences, and I continually learn new technologies and best practices to improve performance, tooling, and gameplay feel.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Fluent

Spanish; Castilian

Fluent

Work Experience

Game Programmer at Freelance

March 10, 2025 - December 1, 2025

Development of Urban Trash Collector

Gameplay Programmer / Game Developer at Urban Trash Collector

March 1, 2025 - December 1, 2025

Developed complex interactive systems (objects, economics, and dynamic random routes); optimized performance and lighting to reduce loading times and improve build stability; created internal tools to streamline tasks for art and design teams; built GOAP AI systems to enhance NPC behavior and realism; authored technical documentation to facilitate collaboration across disciplines.

Game Developer at Crash Dash

July 1, 2025 - Present

Created a lightweight WebGL minigame prototype optimized for fast loading and mobile performance; implemented asset compression techniques to reduce build size and improve runtime performance.

Game Developer at Cursed Hands

January 1, 2024 - January 1, 2024

Developed turn-based AI and card logic with multiple effects; designed levels and tutorials; implemented a localization system to support multiple languages.