William B.

Key Skills

Software

Scale AI

Top Subject Matter

Local language processing and customer-support chatbot quality (LLMs)

Top Data Types

Text

Image

Top Task Types

Fine-tuning

Freelancer Overview

AI Trainer & Data Labeler (LLM training, dataset building, output review). Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Scale AI. Education includes Bachelor of Science, National Polytechnic University Institute Bamenda (2019). AI-training focus includes data types such as Text and labeling workflows including Fine-tuning.

Labeling Experience

AI Trainer & Data Labeler (LLM training, dataset building, output review)

Scale AITextFine-tuning

Trained and fine-tuned small language models to improve response relevance and quality for real-world use cases. Reviewed and corrected AI-generated outputs by providing feedback to reduce hallucinations in customer-support chatbot responses. Built and supported dataset creation efforts for local language processing to better serve African markets. • Used Label Scale AI and custom scripts to train and fine-tune LLMs. • Performed evaluation-oriented review of model outputs and iterated on improvements. • Collaborated with a startup team to assemble a dataset for local language processing. • Supported domain adaptation for African markets through dataset and training contributions.

2024 - Present

Education

Work History