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Music producer, composer, guitarist and audio engineer with professional experience since 2008, working across recording, editing, arrangement, mixing, mastering and live music. Known for musical versatility spanning jazz, Brazilian music, rock, pop, funk and instrumental styles. Detail-oriented and collaborative, I’m comfortable taking projects from musical concept through polished audio delivery. Pro Tools is my primary DAW, and I also support AI/audio data annotation work with structured, guideline-based quality review.…Music producer, composer, guitarist and audio engineer with professional experience since 2008, working across recording, editing, arrangement, mixing, mastering and live music. Known for musical versatility spanning jazz, Brazilian music, rock, pop, funk and instrumental styles. Detail-oriented and collaborative, I’m comfortable taking projects from musical concept through polished audio delivery. Pro Tools is my primary DAW, and I also support AI/audio data annotation work with structured, guideline-based quality review.

MATHEUS MANGINI DOS SANTOS

Audio Engineer, Guitarist, Mixing Engineer, +7

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Music producer, composer, guitarist and audio engineer with professional experience since 2008, working across recording, editing, arrangement, mixing, mastering and live music. Known for musical versatility spanning jazz, Brazilian music, rock, pop, funk and instrumental styles. Detail-oriented and collaborative, I’m comfortable taking projects from musical concept through polished audio delivery. Pro Tools is my primary DAW, and I also support AI/audio data annotation work with structured, guideline-based quality review.…Music producer, composer, guitarist and audio engineer with professional experience since 2008, working across recording, editing, arrangement, mixing, mastering and live music. Known for musical versatility spanning jazz, Brazilian music, rock, pop, funk and instrumental styles. Detail-oriented and collaborative, I’m comfortable taking projects from musical concept through polished audio delivery. Pro Tools is my primary DAW, and I also support AI/audio data annotation work with structured, guideline-based quality review.

Available to hire

Music producer, composer, guitarist and audio engineer with professional experience since 2008, working across recording, editing, arrangement, mixing, mastering and live music. Known for musical versatility spanning jazz, Brazilian music, rock, pop, funk and instrumental styles.

Detail-oriented and collaborative, I’m comfortable taking projects from musical concept through polished audio delivery. Pro Tools is my primary DAW, and I also support AI/audio data annotation work with structured, guideline-based quality review.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Portuguese

Fluent

English

Advanced

Work Experience

PII Annotation / AI Data Annotation at TrustScale.ai

January 1, 2026 - January 1, 2026

Selected collaborator performing structured AI data annotation, including quality review and transcription/timing workflows, following guideline-based processes for data labeling tasks.

Video Annotation Contractor at Beatpulse Labs

January 1, 2026 - January 1, 2026

Work as a video annotation contractor applying structured, guideline-based workflows for AI data tasks, ensuring accurate documentation and quality review according to project requirements.

Music Annotator / QA at Beatpulse Labs

January 1, 2026 - January 1, 2026

Perform detailed musical analysis and structured annotation for AI-related projects. Evaluate genre, harmony, rhythm, instrumentation, arrangement, vocals, production and emotional characteristics. Follow strict guidelines and quality standards while documenting concise, objective observations for data validation.

Freelance Music Producer / Audio Engineer / Composer at Freelance (Brazil)

January 1, 2008 - Present

Produce and arrange original and client-oriented music across multiple genres and ensemble formats. Record, edit, mix and master using Pro Tools and professional production workflows. Develop musical arrangements including guitar parts, rhythm sections, harmonic structures and production concepts. Adapt quickly to different creative briefs, references, genres and performance requirements. Collaborate remotely and independently with artists and stakeholders from concept through final delivery.

Music Producer / Audio Engineer at Freelance

January 1, 2008 - Present

Professional music producer, composer and audio engineer with experience in recording, editing, arrangement, mixing, mastering and live music production. Work across jazz, Brazilian music, rock, pop, funk and instrumental music, using Pro Tools as the primary DAW.

Education

Music Production at Universidade Anhembi Morumbi

January 1, 2007 - December 31, 2008

Higher education in Music Production, including music theory, composition, arrangement, audio production, recording and music technology.

Music Production (training) at Universidade Anhembi Morumbi

January 1, 2007 - January 1, 2008

Audio & Music Production (training) at Souza Lima / FMU

January 11, 2030 - August 17, 2026

Guitar training at IG&T

January 11, 2030 - August 17, 2026

Qualifications

Audio / Music Production Training – Souza Lima

January 1, 2006 - July 1, 2006

Audio and music production training, including practical studies in recording, audio production and music technology, with instruction from Manny Monteiro.