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leandro0197

Leandro J

@leandro0197

AI Training Specialist, LLM Prompt Engineer, Content Evaluator

Brazil
Portuguese, English
About me
Hi, I'm José Leandro, an AI Training Specialist and Prompt Engineer with extensive experience in Content Evaluation, Fact-checking, and Quality Assurance for LLMs. Backed by 5 years of IT experience and a strong background in scientific research and medical terminology (Pharmacy student), I specialize in high-precision validation of complex AI datasets. My official working hours start daily at 1:00 PM (GMT-3), but you can leave a message anytime and I will get back to you as soon as I am online. Let's optimize your AI models together!... Read more

Skills

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leandro0197
Leandro J
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Programming & Tech
I will provide high quality pt br ai data labeling and evaluation
From$30 / projectMore details
Messaging & Emailing
I will clean and organize your inbox to inbox zero
From$35 / projectMore details

Portfolio

Work experience

Freelancer

AI Trainer & Content Evaluator

Freelancer • Freelance

Jan 2021 - Present • 5 yrs 8 mos

Evaluated quality, factuality, and safety guidelines for LLM-generated responses in Brazilian Portuguese. Created, tested, and optimized custom prompts for various language models. Performed strict quality control, RLHF, and dataset compliance.