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Leonardo Rosa
@leonardorlf
AI Evaluator, QA Tester and Portuguese Reviewer
Brésil
Portugais, Anglais
À propos de moi
I’m a Brazilian AI evaluator, QA tester and audio professional focused on accuracy, usability and quality.
My experience includes reviewing AI-generated responses, comparing outputs, following guidelines, and identifying issues with relevance, clarity and naturalness. I also perform manual testing for websites and apps, documenting bugs and usability issues.
As a native Brazilian Portuguese speaker, I review content for grammar, tone, fluency and cultural fit. I also work with audio production, editing, mixing and mastering, bringing a trained ear and technical attention to detail.
Compétences
Leonardo Rosa
hors ligne •
Voir mes services
Annotation des Data
I will evaluate ai and llm responses in brazilian portuguese
Test de logiciels
I will manually test your website or app and report bugs
Expérience professionnelle
AI Training Contributor
Outlier • Freelance
Sep 2026 - Present • 2 mos
Evaluate AI-generated responses against detailed guidelines and quality criteria. Compare outputs, assess accuracy, relevance, clarity, naturalness and instruction adherence, and provide structured feedback to support AI training and improve response quality.
QA Tester and Digital Product Reviewer
Self-Employed / Freelancer • Freelance
Jan 2025 - Present • 1 yr 10 mos
Perform manual testing for websites, apps and digital products, identifying functional issues, usability problems and inconsistencies. Document bugs clearly, reproduce issues and provide practical feedback focused on functionality, quality and user experience.
Music Producer and Audio Engineer
Self employed / Freelance • Freelance
Jan 2018 - Present • 8 yrs 10 mos
Work across music and audio production, including arrangement, sound design, editing, mixing, mastering and critical listening. Experienced with Ableton Live and Logic Pro X, with a strong focus on sound quality, balance, detail and professional production standards.
