I’m a Spanish Game Designer specializing in System Design and Gameplay Design, although I have also worked as a Level designer, with knowledge in both programming and machine learning, I’m familiar with both the Unity and Unreal Engine 5 frameworks, while having also carried out projects with Godot, GameMaker Studio 2 and Bitsy. With several years of diverse projects behind me and ample knowledge in videogame media and organizational skills, I try to carry out projects putting the enjoyment of the player before all. I am passionate about my job and would love to both use and expand my game design knowledge in your team project.

José Miguel Guillén Fernández

I’m a Spanish Game Designer specializing in System Design and Gameplay Design, although I have also worked as a Level designer, with knowledge in both programming and machine learning, I’m familiar with both the Unity and Unreal Engine 5 frameworks, while having also carried out projects with Godot, GameMaker Studio 2 and Bitsy. With several years of diverse projects behind me and ample knowledge in videogame media and organizational skills, I try to carry out projects putting the enjoyment of the player before all. I am passionate about my job and would love to both use and expand my game design knowledge in your team project.

Available to hire

I’m a Spanish Game Designer specializing in System Design and Gameplay Design, although I have also worked as a Level designer, with knowledge in both programming and machine learning, I’m familiar with both the Unity and Unreal Engine 5 frameworks, while having also carried out projects with Godot, GameMaker Studio 2 and Bitsy.

With several years of diverse projects behind me and ample knowledge in videogame media and organizational skills, I try to carry out projects putting the enjoyment of the player before all. I am passionate about my job and would love to both use and expand my game design knowledge in your team project.

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Experience Level

Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Spanish; Castilian
Fluent
Catalan; Valencian
Fluent
English
Advanced

Work Experience

Game Designer / Level Designer at Kiagu Studios / Saguni Studios
September 1, 2025 - July 1, 2026
End of Life is the vertical slice of a third-person shooter featuring constant movement and gravity changes in a Rubik’s cube-shaped world; designed player movement, documentation, and level structure; assisted with early marketing; QA role in final month.
Independent Game Designer / Developer and Private Tutor
January 1, 2023 - December 31, 2025
Freelance game design and development projects; private tutoring in game design.
Game Designer / System Design at Welding Crow
February 1, 2022 - October 1, 2022
Specializing in System Design and Gameplay Design across projects; also contributed to programming tasks.
Game Designer / Developer at Institute for Research and Innovation in Bioengineering (i3B), UPV
December 1, 2021 - Present
Nobi Nobi Box! is a small 2D puzzle-platformer with online multiplayer; designed every aspect of the game and all assets, VFX and sounds; implemented player movement.
Game Designer at Universitat Politècnica de València (UPV) – Space Lads
December 1, 2020 - June 1, 2021
Designed three out of four minigames for a mobile Unity-based game; authored game design documentation; programmed terrain generation for one minigame and a random drop system (alongside the game economy).
Contest Winner / Game Designer at UPV Alcoi Campus Videogame Programming Contest
February 1, 2020 - March 1, 2020
Personal project tied to competitive contest; highlighted for design and execution.
Contest Participant / Game Designer at UPV Alcoi Campus Videogame Programming Contest
February 1, 2020 - March 1, 2020
1st place in the V Edition of the UPV Alcoi Campus Videogame Programming Contest (Zai of Seasons).

Education

Master’s Degree in Game Design at U-Tad
October 1, 2022 - October 1, 2023
Bachelor’s Degree in Design & Development of Videogames & Interactive Experiences at Florida Universitaria / Universitat Politècnica de València
September 1, 2018 - June 1, 2022

Qualifications

Cambridge English: CEFR B2
January 11, 2030 - June 30, 2026

Industry Experience

Gaming, Software & Internet, Media & Entertainment, Education

Experience Level

Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more

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