Alejandra Medrano
Hi, I’m Mary Alejandra Medrano. I’m a bilingual AI Trainer and freelance audio annotator with experience in data annotation, AI model training, and business management.
About
Hi, I’m Mary Alejandra Medrano. I’m a bilingual AI Trainer and freelance audio annotator with experience in data annotation, AI model training, and business management. I thrive in remote environments, delivering high-quality linguistic feedback, precise audio labeling, and collaborative model optimization in English and Spanish.
I’m committed to quality assurance, continuous learning, and cross-functional teamwork with international teams to ensure accurate, contextual AI outputs while maintaining a strong focus on adaptability and clear communication.
- 3 years' experience
- Joined September 2025
Languages
- Spanish; CastilianFluent
- EnglishFluent
Industry experience
- Retail
- Software & Internet
- Professional Services
- Media & Entertainment
- Education
- Other
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Work experience· 11 roles
Contributed to AI model development by performing high-quality audio data annotation in Latin American Spanish, following strict project guidelines. Analyzed and categorized speech characteristics, delivery patterns, and voice traits to ensure accuracy and consistency in model training datasets. Maintained a strong focus on quality assurance, applying feedback effectively to improve accuracy and meet project performance metrics.
Contributed to the development of AI models by performing high-quality audio data annotation in Latin American Spanish, following strict project guidelines. Analyzed and categorized speech characteristics, delivery patterns, and voice traits to ensure accuracy and consistency in model training datasets. Maintained a strong focus on quality assurance, applying feedback effectively to improve accuracy and meet project performance metrics.
Contributed to the development of AI models by performing high-quality audio data annotation in Latin American Spanish, following strict project guidelines. Analyzed and categorized speech characteristics, delivery patterns, and voice traits to ensure accuracy and consistency in model training datasets. Maintained a strong focus on quality assurance, applying feedback effectively to improve accuracy and meet project performance metrics.
Certifications and awards
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