Key Skills

Freelancer Overview

Joshua Brown Moi Avenue, Mombasa | griffinawili3@gmail.com | +254718678138 Professional Summary I am an AI data trainer with practical experience working on real-world AI systems. I have spent the past few years labeling data, reviewing AI-generated content, and helping improve model performance through detailed feedback. I am comfortable working with guidelines, maintaining accuracy, and consistently delivering high-quality results in remote environments. Core Skills AI training and evaluation (LLMs, response ranking, RLHF) Data annotation and quality control Natural language processing (NLP) Content writing, editing, and transcription Python, TensorFlow, PyTorch Strong attention to detail and guideline adherence Professional Experience AI Data Trainer & Evaluator — Remote (2023–Present) - Worked on labeling and structuring datasets used to train AI systems - Reviewed AI-generated responses and provided feedback on quality and accuracy - Compared and ranked outputs to help improve model responses - Followed detailed project guidelines to maintain consistency and reliability Machine Learning Assistant — Sama (Remote) (2022–2023) - Helped prepare and clean datasets for training machine learning models - Supported improvements in data quality, leading to better model performance - Assisted in testing and validating outputs from AI systems Data Annotation Specialist — Mindrift AI (Remote) (2020–2022) - Completed high-volume data labeling tasks with strong accuracy - Organized an

Labeling Experience

Education

Work History