Hi, I’m Guillaume Muller, a lead sound designer and audio engineer with extensive experience in music, film, and interactive game audio. I’ve worked with top studios and brands, creating and integrating high-quality audio assets for mobile and console titles, from FX and UI sounds to music and full soundscapes. I enjoy shaping the audio direction of a project, prototyping new audio systems in engines like Unity and Unreal, and collaborating closely with developers and producers to push the boundaries of immersive sound. Based in the Midlands in UK, I can freelance and collaborate with studios worldwide. My toolkit spans Wwise, FMOD, Unity/UE4/UE5/ Audition. I’m constantly exploring new technologies and workflows to deliver robust, optimized audio experiences for players and audiences alike.

Guillaume Muller

Hi, I’m Guillaume Muller, a lead sound designer and audio engineer with extensive experience in music, film, and interactive game audio. I’ve worked with top studios and brands, creating and integrating high-quality audio assets for mobile and console titles, from FX and UI sounds to music and full soundscapes. I enjoy shaping the audio direction of a project, prototyping new audio systems in engines like Unity and Unreal, and collaborating closely with developers and producers to push the boundaries of immersive sound. Based in the Midlands in UK, I can freelance and collaborate with studios worldwide. My toolkit spans Wwise, FMOD, Unity/UE4/UE5/ Audition. I’m constantly exploring new technologies and workflows to deliver robust, optimized audio experiences for players and audiences alike.

Available to hire

Hi, I’m Guillaume Muller, a lead sound designer and audio engineer with extensive experience in music, film, and interactive game audio. I’ve worked with top studios and brands, creating and integrating high-quality audio assets for mobile and console titles, from FX and UI sounds to music and full soundscapes. I enjoy shaping the audio direction of a project, prototyping new audio systems in engines like Unity and Unreal, and collaborating closely with developers and producers to push the boundaries of immersive sound.

Based in the Midlands in UK, I can freelance and collaborate with studios worldwide. My toolkit spans Wwise, FMOD, Unity/UE4/UE5/ Audition. I’m constantly exploring new technologies and workflows to deliver robust, optimized audio experiences for players and audiences alike.

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Experience Level

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

English
Advanced
French
Fluent

Work Experience

Sound Engineer / Lead Audio Designer at Faust Records
January 1, 2006 - December 31, 2010
Led sound engineering for music videos, albums and animation projects; served as lead artist, composer and producer on multiple tracks and productions.
Freelance Sound Designer at Spiky (Producer) / Freelance
January 1, 2012 - December 31, 2013
Created FX, UI sounds and music for various interactive projects; worked with Nestlé, Air France and BETC. Designed placeholder audio and provided direction to shape in-game audio.
Sound Designer at Bit Studios
November 1, 2013 - January 1, 2014
Prototyped new audio assets and optimized existing ones; contributed to the pre-production and in-game audio design for Anomaly 2 (PC/PS/XB/iOS).
Audio Designer at NaturalMotion / Boss Alien
January 1, 2014 - Present
Designed new audio assets for CSR Racing; performed 3D integration in a custom mobile engine; optimized and tested audio for mobile gameplay.
Sound Designer at Rare Ltd
January 1, 2015 - Present
Recorded Foley and created audio assets for Sea of Thieves; contributed to overall audio direction and production.
Sound Designer / Audio Lead at Freejam
January 1, 2015 - Present
Created and integrated high-quality audio assets for Robocraft; mixed 5.1 audio and produced music; contributed to marketing assets and game audio.

Education

Associate Degree at Studio MS Sciences and Technologies applied to Arts and Audiovisual Technologies
January 1, 2009 - January 1, 2011
Bachelor Degree at SATIS - France
January 1, 2012 - January 1, 2012
Master Degree at SATIS - France
January 1, 2013 - January 1, 2014

Qualifications

Bafta
April 7, 2025 - April 7, 2025
5.1 Audio Editing and Mixing
January 1, 2012 - January 16, 2026
Field Recording with Nagra IV – 16mm Film
January 1, 2012 - January 16, 2026

Industry Experience

Gaming, Media & Entertainment, Software & Internet