Sergei Zhelezkov
I’m Sergei Zhelezkov, a sound designer and audio post-production specialist based in Cuenca, Ecuador.
About
I’m Sergei Zhelezkov, a sound designer and audio post-production specialist based in Cuenca, Ecuador. I’ve been working professionally since 1999, focusing on sound for film, television, documentaries, animation, advertising, and digital video, with a strong emphasis on full-cycle audio post-production.
I handle everything from dialogue editing and restoration to sound design, music selection/editing, mixing, and final mastering, and I also create audio for mobile games and interactive multimedia projects. Since 2017 I’ve worked with international teams and clients across multiple markets, including the United States, Israel, Australia, New Zealand, and Sri Lanka.
- 27 years' experience
- Joined November 2026
Skills· 3
Languages
- RussianFluent
- EnglishAdvanced
- Spanish; CastilianBeginner
Industry experience
- Media & Entertainment
- Gaming
- Telecommunications
Work experience· 5 roles
Deliver sound design and audio post-production for documentary and feature films, short films, television programmes, animation, YouTube content and video advertising. Handle dialogue editing and processing, sound design, and music editing, then mix and deliver final film audio. Create audio for mobile games and interactive projects, supporting remote full post workflows for international companies and independent clients.
Performed audio post-production for the studio’s documentary films, supporting project-specific requirements from voice work through to final mixes. Responsibilities included working with voice artists/narration, selecting music, editing and processing dialogue and location recordings, designing scene sound and atmospheres, and mixing.
Managed audio for video content produced for the company’s mobile services, as well as radio and video advertising.
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