
Leonardo Rosa
AI Evaluator, QA Tester and Portuguese Reviewer
Habilidades

Revisa mis servicios


Experiencia laboral
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.