We’re looking for STEM specialists fluent in Portuguese (Brazil) to train large‑scale language models. The role involves challenging models on advanced STEM topics, verifying accuracy, documenting error traces, and improving prompt engineering. Candidates should hold a bachelor’s or master’s degree in a STEM discipline and have experience in research or engineering projects. The position is remote and contract‑based, paid $8‑$65 per hour based on experience and location.
STEM Specialist (Fluent in Portuguese – Brazil) – AI Trainer at Invisible Agency
Remote - Worldwide
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USD 8 - 65/hour
Requirements
Education
- Bachelor’s degree in a STEM discipline
- Master’s degree in a STEM discipline
Experience
- Published research
- Engineering design experience
- Data analysis projects
- Coding portfolio
Skills
- STEM expertise
- Mathematics
- Physics
- Chemistry
- Engineering
- Data science
- Computer science
- Scientific computing
- Algorithm design
- Quantitative modeling
- Metacognitive communication
- Clear communication
Languages
- Portuguese
Responsibilities
- Challenge advanced language models on STEM topics such as thermodynamics, mechanics, calculus, statistics, materials science, electronics, algorithm design, and quantitative modeling.
- Converse with the model on real‑world STEM problem‑solving scenarios and theoretical technical questions.
- Verify factual accuracy and logical soundness of model responses.
- Capture reproducible error traces and document failure modes.
- Suggest improvements to prompt engineering and evaluation metrics.
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