I’m a professional music producer and sound designer specializing in audio cleanup, music arrangement, and post-production editing. I help clients transform raw sound into immersive, high-quality audio that enhances storytelling and elevates the final experience. From detailed sound design and clean, balanced mixes to precise editing and noise reduction, I focus on clarity, depth, and intention in every project. Whether you’re working on film, video, games, podcasts, or digital media, I craft sound that supports the visuals and communicates exactly what you want your audience to feel. If you’re looking for a sound designer who is reliable, detail-oriented, and focused on results, I’m ready to help bring your project to life and get you the sharp sound you need.

Cassandra Ferreira

I’m a professional music producer and sound designer specializing in audio cleanup, music arrangement, and post-production editing. I help clients transform raw sound into immersive, high-quality audio that enhances storytelling and elevates the final experience. From detailed sound design and clean, balanced mixes to precise editing and noise reduction, I focus on clarity, depth, and intention in every project. Whether you’re working on film, video, games, podcasts, or digital media, I craft sound that supports the visuals and communicates exactly what you want your audience to feel. If you’re looking for a sound designer who is reliable, detail-oriented, and focused on results, I’m ready to help bring your project to life and get you the sharp sound you need.

Available to hire

I’m a professional music producer and sound designer specializing in audio cleanup, music arrangement, and post-production editing. I help clients transform raw sound into immersive, high-quality audio that enhances storytelling and elevates the final experience.
From detailed sound design and clean, balanced mixes to precise editing and noise reduction, I focus on clarity, depth, and intention in every project. Whether you’re working on film, video, games, podcasts, or digital media, I craft sound that supports the visuals and communicates exactly what you want your audience to feel.
If you’re looking for a sound designer who is reliable, detail-oriented, and focused on results, I’m ready to help bring your project to life and get you the sharp sound you need.

See more

Experience Level

Language

Portuguese
Fluent
English
Advanced

Work Experience

Sound Designer at Rádio Observador
January 1, 2026 - Present
Editing and cleaning audio for live broadcast and/or podcast publication; program management and alignment via Dalet; distribution management for streaming platforms via Omny; recording promos and advertisements; composition and editing of jingles, soundtracks, and soundbites; stage gain and handling of studio recording equipment; preparation of material for journalistic purposes in external media.
Audiovisual Technician (TV and Radio) at MediaLivre (CMTV and Now)
May 1, 2025 - August 1, 2025
Technical assistance in the studio: camera positioning, handling handheld/lapel microphones and maintenance, teleprompter operation, monitoring and transmitter management, set changes, and studio preparation according to schedule; microphone setup for presenters and guests; operation of the soundboard and image/light control panels; audio gain adjustment, routing, equalization, compression, gates, delays, and other processors; soundtrack manipulation, live, hybrid, and recorded sound mixing; image treatment, color correction, virtual and real set management, and camera movement.
Sound Technician at Yellow Star Company
October 1, 2024 - December 1, 2024
PA and sound equipment setup; operation of digital/analog soundboards; microphone setup and testing; technical support, stage setup and breakdown, rehearsal and briefing assistance; sound design as needed, live mixing, backups, and workflow management.

Education

Bachelor’s Degree at ETIC - School of Innovative Technologies and Creation, Cais do Sodré
September 1, 2021 - July 1, 2024
Bachelor’s Degree in Performing Arts at ESTAL - School of Technologies and Arts of Lisbon, Alcântara
September 1, 2018 - July 1, 2019
Higher Course - Creative World Music at ESTAL - School of Technologies and Arts of Lisbon, Alcântara
January 11, 2030 - March 9, 2026

Qualifications

RockSchool Certificate – RSL Awards Level 1
January 11, 2030 - March 9, 2026

Industry Experience

Media & Entertainment, Education, Professional Services