SANDRA MITZY DE AQUINO SANCHEZ
@sandramitzydeaquinos
I transcribe and annotate speech data for AI training with precise bilingual English-Spanish quality control.
AustraliaWhat I'm looking for
I'm transcribing and annotating audio for CrowdGen's Poliwag Audio Transcription project, applying speaker labels, timestamp segmentation, and audio-quality flags for ES-LATAM recordings.
Across Mercor, Outlier AI, and Appen, I've evaluated AI-generated outputs against structured rubrics, documented errors, and completed bilingual English-Spanish competency evaluations. I work carefully through high-volume tasks using detailed guidelines and systematic checklists.
My legal practice in Mexico City trained me to process hundreds of documents daily under strict procedural requirements, while customer-facing work in Brisbane strengthened my professional English in a fast-paced Australian environment.
Experience
Work history, roles, and key accomplishments
Audio Transcriptionist & Speech Annotator
CrowdGen (powered by Appen)
Jan 2024 - Present (2 years 7 months)
Transcribed audio recordings following strict project guidelines for the Poliwag Audio Transcription project (ES-LATAM locale). Applied consistent speaker labels and segmented speech with accurate timestamps across multiple submissions.
Education
Degrees, certifications, and relevant coursework
Facultad de la Barra Nacional de Abogados
Bachelor of Law, Law
2012 - 2017
Bachelor of Law degree from Facultad de la Barra Nacional de Abogados, Mexico City, completed in 2017.
Tech stack
Software and tools used professionally
Availability
Location
AustraliaAuthorized to work in
Job categories
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