António Nogueira-Biotechnology Researcher | AI Data Trainer & LLM Evaluator
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Experience
STEM Expert AI Data Trainer (Freelancer)
Invisible Technologies
- Design and evaluate STEM Q&A datasets for supervised fine-tuning of large language models
- Design cross-panel reasoning prompts and chain-of-thought answers from scientific figures to improve visual interpretation
- Conduct red-teaming and jailbreak detection to surface model failure modes and safety risks
Expert QA Program (Freelancer)
Outlier AI
- Perform STEM quality assurance on model outputs to support RLHF pipelines
- Evaluate scientific correctness, reasoning quality, and instructional alignment using rubric-based scoring
AI Data Annotator (Freelancer)
Stellar AI
- Annotate GUI-interaction workflows for AI agents across Windows, Linux, and macOS virtual machines
- Train web-browsing agents on navigation, information retrieval, and tool integration
- Label and classify UI elements for computer-vision object-detection tasks
- Report functional, logical, and visual bugs in AI-generated websites and applications
Doctoral Researcher
CMEMS, University of Minho
- Designed and optimized an ultrasound-based prototype to enhance seed germination and seedling growth under both optimal and stress conditions (drought, aging)
- Developed hydration kinetics models, conducted numerical simulations to analyze acoustic energy distribution, and applied PCA and correlation analysis to interpret experimental datasets
- Performed RNA isolation and qPCR to characterize gene expression responses to ultrasound
Industry Experience
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Experienced in Agriculture and Information Technology.
Business Area Experience
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Experienced in Research and Development, Product Development, Information Technology, and Quality Assurance.
Summary
PhD in Mechanical Engineering with a Biochemistry and Biotechnology background, specializing in experimental design, molecular biology, and biophysical analysis, and author of six peer-reviewed publications in agricultural biotechnology. Active AI data trainer across multiple platforms, spanning agentic AI systems, LLM fine-tuning, RLHF, STEM quality assurance, multimodal reasoning evaluation for frontier models, GUI workflow annotation, and AI application testing.
Skills
- Molecular Techniques: Qpcr, Rna Isolation, Cell Culture, Mtt Assay, Western Blot, Southern Blot, Lentivirus
- Biochemical Analysis: Antioxidant Assays (Dpph, Frap, Abts), Enzymatic Assays (Sod, Cat), Oxidative Stress (Mda), Biomolecule Quantification (Phenolics, Proteins, Chlorophyll, Lipids)
- Programming & Data Analysis: Python, R, Json, Numpy, Pandas, Sqlite, Matplotlib, Seaborn, Plotly, Graphpad Prism
- Machine Learning & Modelling: Scikit-Learn, Random Forest, Xgboost, Lightgbm, Optuna, Mlflow, Streamlit, Comsol
Languages
Education
University of Minho
PhD · Mechanical Engineering · Portugal
University of Minho
Master's Degree · Biotechnology · Portugal
University of Minho
Bachelor's Degree · Biochemistry · Portugal
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Experience
Expertise
Qualifications
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