Available to hire
Hello, I’m Antonio Vaquer, a senior game developer with more than eight years of experience shaping titles across PC, consoles, and mobile. I specialize in gameplay programming, performance optimization, and engine porting, with deep expertise in Unreal Engine 4 & 5 and Unity 3D. I’ve collaborated with diverse teams—from small indie studios to giants like Square Enix, Bandai Namco, and Sony Interactive Entertainment—delivering high-quality gameplay experiences.
I enjoy tackling tough technical challenges and mentoring teammates to build robust, scalable systems. I’m passionate about creating immersive gameplay and pushing engine capabilities to their limits, especially in large, open-world environments.
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Advanced
Japanese
Advanced
Spanish; Castilian
Fluent
Work Experience
Gameplay and system at Astragon
October 1, 2023 - PresentWorked on UE5 multiplayer train simulation, focusing on Gameplay Ability System, Stream Loading, World Composition, and other gameplay/system features within a team of 8.
Performance and Gameplay at Don't Nod
October 1, 2023 - July 18, 2025Handled rendering pipeline, mesh animations, shaders, and colliders for a UE5 climbing game in a team of 30.
Playstation/XBox support at Daedalic Entertainment Inc
November 1, 2021 - July 18, 2025Supported console-specific features such as collisions, cloth simulation, and performance optimization on Lord Of The Rings: Gollum, an UE4 open world exploration game, with a team of 6.
Game Programmer at Guruguru Ltd.
August 1, 2021 - July 18, 2025Developed console support, loading performance, gimmicks, animation blueprints, and other gameplay elements for the UE4 hack and slash action game Getsufumaden: Undying Moon with a team of 15.
UI/Audio Programmer at Bandai Co., Ltd.
December 1, 2019 - July 18, 2025Implemented loading screens, in-game 3D sound effects, and mini games for the UE4 fighting game Dragonball Kakarot 2 in a team of 20.
PC porting of Hedgehog Engine at Sony Interactive Entertainment
July 1, 2019 - July 18, 2025Supported UI for mouse and keyboard, DirectX, and InputX libraries in the Sonny Engine sports game Olympic Games Tokyo 2020: The Official Video Game. Team size was 7.
Nintendo Switch Porting at DICO Co. Ltd
June 1, 2019 - July 18, 2025Handled performance optimization, shaders, textures, and submission process for the Nintendo Switch version of the UE4 horror game Remothered: Tormented Fathers in a team of 6.
In-Game Development at DICO Co. Ltd
March 1, 2019 - July 18, 2025Focused on engine customization, gimmicks, enemy AI, and physics for the UE4 Metroidvania game BloodStained: Ritual of the Night within a team of 15.
Porting to iOS and Android at Square Enix Holdings Co., Ltd
September 1, 2018 - July 18, 2025Customized engine, redesigned UI, and optimized performance for the UE4 JRPG game Octopath Traveler: Champions of the Continent, working alongside a team of 20.
Gameplay and system at Astragon
October 1, 2023 - PresentWorked on UE5 Train simulation multiplayer game Railroads Online, focusing on Gameplay Ability System, Stream Loading, World Composition, and other critical gameplay systems as part of an 8-person team in a remote setting.
Performance and Gameplay at Don't Nod
October 1, 2023 - July 18, 2025Contributed to a UE5 Climb Game named Jusant, handling rendering pipeline, mesh animations, shaders, and colliders to improve game performance and gameplay experience within a 30-member remote team.
Playstation/XBox support at Daedalic Entertainment Inc
November 1, 2021 - July 18, 2025Supported PlayStation and Xbox platforms for UE4 open world exploration game Lord Of The Rings: Gollum, working on collisions, cloth simulation, and performance optimization remotely within a 6-person team.
Game Programmer at Guruguru Ltd.
August 1, 2021 - July 18, 2025Programmed and supported consoles for Getsufumaden: Undying Moon, a UE4 hack and slash action game. Responsibilities included loading performance improvements, gimmicks design, and animation blueprints as part of a 15-person Tokyo-based team.
UI/Audio Programmer at Bandai Co., Ltd.
December 1, 2019 - July 18, 2025Developed UI and audio systems for UE4 fighting game Dragonball Kakarot 2, including loading screens, in-game 3D sounds, and mini games in a 20-person Tokyo team.
PC porting of Hedgehog Engine at Sony Interactive Entertainment
July 1, 2019 - July 18, 2025Performed PC porting tasks for Olympic Games Tokyo 2020: The Official Video Game using the Sonny Engine. Responsibilities included UI support for mouse and keyboard and support for DirectX and InputX libraries with a 7-person Tokyo team.
Nintendo Switch Porting at DICO Co. Ltd
June 1, 2019 - July 18, 2025Handled Nintendo Switch porting for UE4 horror game Remothered: Tormented Fathers, focusing on performance, shaders, textures, and submission for Japan with a team of 6 in Tokyo.
In-Game Development at DICO Co. Ltd
March 1, 2019 - July 18, 2025Developed in-game systems for UE4 Metroidvania BloodStained: Ritual of the Night, including engine customization, gimmicks, enemy AI, and physics as part of a 15-person Tokyo team.
Porting to iOS and Android at Square Enix Holdings Co., Ltd
September 1, 2018 - July 18, 2025Ported UE4 JRPG Octopath Traveler: Champions of the Continent to iOS and Android platforms. Worked on engine customization, UI redesign, and performance improvements in a 20-person Tokyo team.
Senior Gameplay & Systems Developer at Astragon
October 1, 2023 - PresentLed the implementation and management of the Gameplay Ability System (GAS) for a multiplayer train-simulation game in UE5.
Performance & Gameplay Developer at Dontnod Entertainment
October 1, 2023 - October 14, 2025Optimized rendering and core gameplay workflows for Jusant, improving performance and stability during a key production window.
PlayStation/Xbox Support at Daedalic Entertainment Inc.
May 1, 2022 - October 14, 2025Provided dedicated technical support for PS/Xbox versions of Lord of the Rings: Gollum, diagnosing and resolving issues to ensure a smooth console experience.
Game Programmer at Guruguru Ltd
August 1, 2021 - October 14, 2025Executed console support tasks and enhanced loading performance for a UE4 action RPG, including core gameplay mechanics and animation systems.
UI/ Audio Programmer at Bandai Namco Co. Ltd
December 1, 2019 - October 14, 2025Developed loading screens, in-game 3D audio systems, and mini-games for a high-profile UE4 fighting game.
PC Porting Developer at Sony Interactive Entertainment
July 1, 2019 - October 14, 2025Spearheaded the PC port of Hedgehog Engine-based title, implementing full UI support for mouse/keyboard and integrating essential libraries for PC performance.
Porting & In-Game Developer at DICO Co. Ltd
June 1, 2019 - October 14, 2025Led the porting and in-game development for multiple UE4 projects, focusing on engine customization, AI, physics, and gameplay systems; also led Nintendo Switch porting efforts for Remothered titles.
Porting Developer at Square Enix Holdings Co. Ltd
September 1, 2018 - October 14, 2025Managed porting of Octopath Traveler: Champions of the Continent to iOS/Android, including UI redesign and mobile performance optimizations.
Senior Game Developer at Astragon
October 1, 2023 - PresentLed the implementation and management of the Gameplay Ability System (GAS) for a multiplayer training simulation in UE5. Engineered and optimized world streaming and composition systems to enhance performance in large-scale environments. Collaborated with an 8-member team to develop and deliver core gameplay features and systems.
Performance & Gameplay Developer at Dontnod
October 31, 2023 - October 14, 2025Optimized the rendering pipeline, mesh animations, shaders and colliders for a UE5 climbing game, significantly improving performance. Enhanced overall gameplay feel and responsiveness as part of a 30-member development team.
Technical Support / Gameplay Programmer at Daedalic Entertainment Inc
May 31, 2022 - October 14, 2025Provided dedicated technical support for the PlayStation and Xbox versions of an open-world exploration game in UE4. Diagnosed and resolved critical issues related to collisions, cloth simulation, and performance bottlenecks to ensure a smooth console experience.
Game Programmer at GuruGuru Ltd
August 31, 2021 - October 14, 2025Executed console support tasks and enhanced loading performance for a Hack and Slash action game built in UE4. Implemented core gameplay mechanics (Gimmicks) and managed complex Animation Blueprints.
UI/ Audio Programmer at Bandai Namco Co. Ltd
December 31, 2019 - October 14, 2025Developed and programmed loading screens, in-game 3D sound systems, and various mini-games for a high-profile UE4 fighting game.
PC Porting Developer at Sony Interactive Entertainment
July 31, 2019 - October 14, 2025Spearheaded the PC port of the Hedgehog Engine, implementing full UI support for mouse and keyboard. Integrated essential libraries, including DirectX and InputX, to ensure compatibility and performance on PC.
Porting & In-Game Developer at DICO Co. Ltd
June 30, 2019 - October 14, 2025Blood Stained: Ritual of the Night — drive-in-game development for a UE4 Metroidvania, focusing on engine customization, enemy AI, physics, and gameplay mechanics. Remothered: Tormented Fathers — led the Nintendo Switch porting process, including performance optimization, shader and texture enhancements, and managing the official submission process for Japan.
Porting Developer (Octopath Traveler: Champions of the Continent) at Square Enix Holdings Co. Ltd
September 30, 2018 - October 14, 2025Managed the porting of a UE4 JRPG to iOS and Android, involving engine customization, a complete UI redesign, and significant performance optimization for mobile devices.
Education
Bachelor of Engineering (B.E.) at Universitat Autònoma de Barcelona
January 1, 2001 - December 31, 2004Japanese Language at Kyoto Institute of Culture & Language
January 1, 2004 - December 31, 2005Bachelor of Engineering (B.E.) at Universitat Autònoma de Barcelona
January 1, 2001 - December 31, 2004Japanese Language at Kyoto Institute of Culture & Language
January 1, 2004 - December 31, 2005Bachelor of Engineering (B.E.) in Systems Engineering at Universitat Autònoma de Barcelona
January 1, 2001 - December 31, 2004Japanese Language Study at Kyoto Institute of Culture & Language
January 1, 2004 - December 31, 2005Bachelor of Engineering (B.E.) in Systems Engineering at Universitat Autònoma de Barcelona
January 1, 2001 - December 31, 2004Japanese Language at Kyoto Institute of Culture & Language
January 1, 2004 - December 31, 2005Qualifications
Industry Experience
Gaming, Software & Internet, Media & Entertainment, Computers & Electronics
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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