Rachel Sim is a sound designer who has been working in the video game industry since 2017, after leaving a career in academic librarianship and graduating from Vancouver Film School's Sound Design for Visual Media program. She is currently the producer at A Shell in the Pit Audio, a culturally and gender-diverse audio studio, known for its whimsical and emotionally impactful work, that specializes in music, sound effects, and audio programming for video games and interactive experiences.

Some of her credits include JETT: The Far Shore, Sneaky Sasquatch, Poly Bridge 2, Ikenfell, and Parkitect.