Mariana Caselli

Mariana Caselli

About

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Ceará, Brazil

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Résumé

Jobs verified_user 0% verified
  • Data Annotation
    AI Data Trainer
    Data Annotation
    Mar 2025 - Current (1 year 4 months)
    • Designed text prompts, including instructions with multiple constraints, for large language models (LLMs). • Created topic-specific prompts to compare LLM responses and evaluated outputs across axes such as verbosity, instruction following, truthfulness, and harmlessness. • Assessed AI responses to potentially harmful prompts, classifying them based on user safety and practical utility. • Reviewed and rated AI outputs for clarity, relevance, coherence, and factual accuracy.
  • P
    Data Entry Clerk / Administrative Assistant (HR Department)
    Power China – Mauriti Solar Power Complex
    Dec 2023 - Mar 2025 (1 year 4 months)
    • Managed a database for a high volume of data received daily via email. • Entered and updated over 10,000 records: responsible for 87.5% of total data. • Handled six months of data backlog in the first three months of work. • Maintained spreadsheets, digital documents and information flow with high accuracy.
Education verified_user 0% verified
  • F
    Bachelor's Degree in Journalism
    Federal College of Cariri (UFCA)
    Jan 2014 - Dec 2020 (7 years)
  • S
    High School Degree
    Sesc High School (ESEM)
    Jan 2011 - Dec 2013 (3 years)