Sound Engineer experienced in production, mixing, and mastering for music and audiovisual content. Focused on sound quality, technical detail, and a critical ear to deliver clear, well-balanced results. Passionate about music, sound design, and audio post-production, with a creative vision that supports audiovisual productions and independent artists from planning through final mastering.

Santi Klein

Sound Engineer experienced in production, mixing, and mastering for music and audiovisual content. Focused on sound quality, technical detail, and a critical ear to deliver clear, well-balanced results. Passionate about music, sound design, and audio post-production, with a creative vision that supports audiovisual productions and independent artists from planning through final mastering.

Available to hire

Sound Engineer experienced in production, mixing, and mastering for music and audiovisual content. Focused on sound quality, technical detail, and a critical ear to deliver clear, well-balanced results.

Passionate about music, sound design, and audio post-production, with a creative vision that supports audiovisual productions and independent artists from planning through final mastering.

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Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
Beginner
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Language

English
Advanced
Spanish; Castilian
Fluent
Portuguese
Intermediate

Work Experience

Sound Engineer / Audio Post-production at Infame Freestyle Producciones
January 1, 2020 - Present
Audio post-production for music projects, including production, mixing, and mastering of tracks. Work aligned with audiovisual production requirements, using a technical workflow to ensure clarity, balance, and consistency across deliverables.
Audio Engineer (Audio Post-production) at Caderhouse / Cambridge Bridge (listing appears in resume)
January 1, 2020 - Present
Tasks included dialogue editing and processing, using iZotope RX, as well as technical audio handling such as routing and editing of audiovisual sound material.
Audio Post-production / Mixing & Mastering at Infame Freestyle Producciones
January 1, 2020 - Present
Audio post-production for social media content. Production, mixing, and mastering of tracks; supports audiovisual workflow with dialogue processing and editing when needed.
Sound Engineer (Freelance) at KleinSan Studios
January 1, 2020 - Present
Sound engineering services for music and audiovisual projects. Responsible for production, mixing, and mastering; ensures technical correctness through routing and studio/live sound operations. Provides sound quality with a detail-oriented approach, including post-production tasks and final audio delivery for different media formats.
Audio production, mixing and mastering
January 1, 2020 - Present
Production, mixing, and mastering of tracks and music projects. Audio post-production for social media content and production of audio for audiovisual content. Dialogue editing and processing with iZotope RX, including technical work such as routing and gear operation for live and studio setups.
Sound Engineer (Company not specified) at Colegio Santa Maria
January 1, 2019 - December 1, 2020
Routine setup and operation of live and studio sound equipment. Support for audio workflow including routing and handling of studio/live audio tasks.

Education

Bachelor's Degree in Sound Creation at Universidad de Palermo
August 1, 2023 - December 1, 2026
Cambridge English Entry Level Certificate in ESOL International B1 Level at The Reverse Engineer
January 11, 2030 - November 5, 2025
Digital Audio Editing Course at Mastering.com Academy
April 1, 2023 - October 1, 2025
Cambridge University at Cambridge University
December 1, 2017 - November 5, 2025
Coder House at Coder House
October 1, 2022 - November 5, 2025
Cert. Cambridge English Entry Level Certificate in ESOL International – B1 Level at Cambridge English
December 1, 2017 - August 5, 2026
Licenciatura en Creación Sonora (en curso) at Universidad de Palermo
August 1, 2023 - July 1, 2027
Certificado B1 at Cambridge English
January 11, 2030 - December 1, 2017
Licenciatura en Creación Sonora at Universidad (en curso)
August 1, 2023 - July 1, 2027
Secundario terminado at
January 1, 2017 - December 1, 2020
Curso de Edición de Audio Digital at
October 1, 2022 - April 1, 2023
The Reverse Engineer – Masterización avanzada at
April 1, 2023 - October 1, 2025
Certificado Cambridge English ESOL International at Cambridge Academy
December 1, 2017 - August 5, 2026
Licenciatura en Creación Sonora (en curso) at Universidad (en curso)
August 1, 2023 - July 1, 2027
Licenciatura en Creación Sonora (en curso) at Universidad/Institution not specified
August 1, 2023 - July 1, 2027
Secundario terminado at School not specified
January 1, 2016 - December 1, 2020
Curso de Edición de Audio Digital at Institution not specified
October 1, 2022 - April 1, 2023
The Reverse Engineer – Masterización avanzada at Institution not specified
April 1, 2023 - October 1, 2025
Cambridge English Entry Level Certificate in ESOL International – B1 Level at Cambridge Assessment English
December 1, 2017 - December 1, 2017

Qualifications

Cambridge English Entry Level Certificate in ESOL International B1 Level
January 11, 2030 - November 5, 2025
Licenciatura en Creación Sonora (en curso)
August 1, 2023 - July 1, 2027
Secundario terminado
January 11, 2030 - December 1, 2020
Curso de Edición de Audio Digital
April 1, 2023 - October 1, 2025
The Reverse Engineer – Masterización avanzada
October 1, 2022 - October 1, 2022
Zotero/Academic transcript mentions iZotope RX for dialogue editing
January 11, 2030 - August 5, 2026
iZotope RX (dialogue editing)
January 11, 2030 - August 5, 2026
The Reverse Engineer – Masterización avanzada
October 1, 2022 - October 1, 2022
Secundario (terminado)
January 11, 2030 - December 1, 2020
Curso de Edición de Audio Digital
October 1, 2022 - October 1, 2023
The Reverse Engineer – Masterización avanzada
April 1, 2023 - October 1, 2025
Mastering tools & advanced mastering
January 11, 2030 - August 5, 2026
iZotope RX (dialogue editing)
January 11, 2030 - August 5, 2026
Cambridge English Entry Level Certificate in ESOL International – B1 Level
January 11, 2030 - December 1, 2017
iZotope RX (dialogue editing)
January 1, 2020 - August 5, 2026
Routing and operation of live and studio sound equipment
January 1, 2020 - August 5, 2026
Mastering tools (DAW ecosystem)
January 1, 2022 - August 5, 2026
Secundario (terminado)
December 1, 2020 - August 5, 2026
Cambridge English Entry Level Certificate in ESOL International – B1 Level
December 1, 2017 - August 5, 2026
Curso de Edición de Audio Digital
October 1, 2022 - April 1, 2023
The Reverse Engineer – Masterización avanzada
April 1, 2023 - October 1, 2025
iZotope RX (Dialog editing) – skill/cert context
January 1, 2023 - August 5, 2026
PRO Tools / Logic / Ableton / Reaper – Digital Audio Workstations (training/courses context)
January 1, 2023 - August 5, 2026
Audio mastering tools (training/courses context)
January 1, 2023 - August 5, 2026

Industry Experience

Media & Entertainment, Professional Services, Education