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I’m experienced in building gameplay systems, UI, architecture and immersive mechanics. I love the challenge of transforming creative visions into responsive, reliable gameplay using Unity (C#) and clean architecture. I truly care about what I build and I’m always learning.…

Jesús Pérez

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I’m experienced in building gameplay systems, UI, architecture and immersive mechanics. I love the challenge of transforming creative visions into responsive, reliable gameplay using Unity (C#) and clean architecture. I truly care about what I build and I’m always learning.…

Available to hire

I’m experienced in building gameplay systems, UI, architecture and immersive mechanics. I love the challenge of transforming creative visions into responsive, reliable gameplay using Unity (C#) and clean architecture. I truly care about what I build and I’m always learning.

Skills

Unity 3D

Game Design

Jira

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Language

English

Advanced

Spanish; Castilian

Fluent

Work Experience

Senior Gameplay Engineer at Wamba Technologies

August 1, 2025 - August 13, 2025

Led the development of core gameplay features, UI implementation, and data-driven tools such as tutorials, scene loading, and memory management using the Addressable System for the mobile title Waffle Smash: Diner Rush. Managed third-party integrations using Unity 3D and C#.

Gameplay Engineer at NightSteed Games

January 1, 2023 - August 13, 2025

Developed multiple web and mobile projects, including Minigiants (an arena-style RPG with 1M+ downloads), Sea Dragons (.io snake-like game with 500k+ downloads), WarCall (battle royale CPU-based game with 100k+ downloads), and Samurai Madness (single-player roguelike with 10k+ downloads).

Gameplay Engineer at Heizhu Games

December 1, 2018 - August 13, 2025

Designed and implemented gameplay systems such as UI, AI, mechanics, and core features using Unity 3D and C#. Released Cubito Mayhem, a casual twin-stick shooter for desktop and web featured on Itch.io, Newgrounds, and Kongregate.

Gameplay Engineer and Indie Generalist at Lonely Moon Games

December 1, 2019 - August 13, 2025

Collaborated in teams to create games for jams, tournaments, and experimental projects. Notable titles include CODE RED (platforming action game ranked Top 3 on Newgrounds, Armor Games, and Kongregate; placed 83rd in Ludum Dare 37), Grimcurse (GitHub Game Off 2018 submission, Honorable Mention), and Guy Slashing Stuff in the Future (beat 'em up for PC, Web, and Mobile; winner of the Arcade Week game jam).

Senior Gameplay Engineer at Wamba Technologies

July 1, 2025 - September 2, 2025

As a senior gameplay engineer for the mobile title Waffle Smash: Diner Rush, I helped lead the development of core gameplay features, UI implementation, and data-driven tools including tutorials, scene loading and memory management using the Addressable System. I also managed third-party integrations, all developed in Unity 3D and C#.

Gameplay Engineer at Independent Contract

October 1, 2024 - September 2, 2025

Worked on refining gameplay systems including FPS movement, GUI billboarding, and bug fixes, helping advance Tranquil Cove, a Unity VR horror game for Steam, toward full release using C# and the Oculus Quest 3 VR.

Gameplay Engineer at NightSteed Games

January 1, 2023 - September 2, 2025

Gameplay Engineer and Game Generalist developing multiple web and mobile projects including Minigiants (1M+ downloads), Sea Dragons (.io game 500k+ downloads), WarCall (Battle Royale CPU-based game 100k+ downloads), and Samurai Madness (single-player roguelike with 10k+ downloads).

Gameplay Programmer at Heizhu Games

December 1, 2018 - September 2, 2025

Designed and implemented gameplay systems such as UI, AI, mechanics, and core features using Unity and C#. Shipped Cubito Mayhem, a casual twin-stick shooter for desktop and web, featured on multiple platforms including Itch.io, Newgrounds, and Kongregate.

Gameplay Programmer, Generalist at Lonely Moon Games

December 1, 2019 - September 2, 2025

Gameplay generalist and collaborator creating games for jams, tournaments, and experimental projects including CODE RED (platforming action game ranked top 3 and front-page on Newgrounds, Armor Games, Kongregate; placed 83rd in Ludum Dare 37), Grimcurse (GitHub Game Off 2018 submission, awarded Honorable Mention), and Guy Slashing Stuff in the Future (beat ’em up winner of Arcade Week game jam).