Sergio Alejandro A.
Barcelona, Spain
100%
Job Success
Audio Engineer & Sound Designer | Music, Game Audio, Post-Production
$30.00/hr
🎧 Hello, I'm Sergio Alejandro, an experienced Audio Engineer & Sound Designer based in Barcelona. With over 6 years in the music, sound production, and game audio industry, I bring expertise in music composition, hybrid analog & digital mixing, immersive sound design, and post-production to help clients elevate their audiovisual and interactive projects. My studio uses premium gear and cutting-edge software to ensure professional sound quality every time.
Services I specialize in:
🎼 Music Composition & Arrangement
🎚️ Sound Design (Foley, Ambience, Hard SFX)
🎮 Game Audio: Soundtracks, SFX, Ambiences & Implementation
🗣️ Dialogue Audio Restoration & Enhancement
🎙️ Podcast Audio Post-Production & Distribution
🔊 Hybrid Analog/Digital Mixing & Mastering with premium analog gear
I work with industry-standard tools such as Pro Tools, Ableton Live, Reaper, Wwise, FMOD, Unreal Engine, and Unity, as well as top-tier plugins including Universal Audio, Waves, and FabFilter. This allows me to deliver immersive and dynamic audio results tailored to your vision—whether it’s for film, games, or multimedia.
Work history
Work history
Music soundtrack
Jun 12, 2025
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Jun 27, 2025
No feedback given
Private earnings
Spanish language (SPAIN ONLY) voice recording PROJECT
Sep 11, 2024
-
Jun 5, 2025
No feedback given
Private earnings
*Easy* Free Dialogue Recording for Native Spanish Speakers (born in Spain)
Sep 17, 2024
-
Jun 5, 2025
No feedback given
Private earnings
Audio Cleanup from Recording
Apr 23, 2025
-
Jun 5, 2025
Private earnings
Native Spanish speaker for 200 short sentences recording project ( Spain)
Jan 6, 2025
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Mar 9, 2025
"Nice work"
Private earnings
Spanish Casual Conversation Recording Project (we need only Native Spanish Speakers from Spain)
Sep 15, 2024
-
Dec 12, 2024
"Excellent work"
Private earnings
break out audio by instruments
Jun 14, 2024
-
Jun 24, 2024
"Excellent work as always! High quality output and fast delivery. Highly recommend!"
Private earnings
break out audio by instruments
Jun 12, 2024
-
Jun 24, 2024
No feedback given
Private earnings
Strip out instrumentals from song recording
Jun 11, 2024
-
Jun 24, 2024
"Excellent work! High quality output and fast delivery. Close attention to details and resourcefulness to solve the problem. Highly recommend!"
Private earnings
Improve the audio on my video.
Apr 15, 2024
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Apr 16, 2024
"Contractor did a fine job; a drastic improvement in my audio. Some minor miscommunication on my part. He responded in a timely manner. Overall working with Sergio was a positive…
Private earnings
Professional Mix and master of a song
Jun 25, 2025
-
Present
Job in progress
Private earnings
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Skills
Skills
Project catalog
Get started working with Sergio Alejandro quickly with these predefined projects.
Get started working with Sergio Alejandro quickly with these predefined projects.
You will get Professional Custom Audio Logo & Sound Design to Elevate Your Brand
From $75
5 days delivery
You will get Top-Tier Podcast Editing: High-Quality Video & Audio Services
From $30
1 day delivery