Sheldon Wanyonyi

Key Skills

Software

Mercor

Mindrift

Remotasks

Don't disclose

Top Subject Matter

Cybersecurity & Digital Forensics – Involving forensic investigation, incident response, and analysis of digital evidence to detect and respond to threats.

Artificial Intelligence & Machine Learning (AI/ML) – Focused on data labeling, annotation, and training data quality for building reliable AI systems.

Information Technology (IT) & Software Engineering – Covering programming, code analysis, and technical workflows related to data annotation and system security.

Top Data Types

Image

Text

Video

Top Task Types

Bounding Box

Classification

Text Generation

Object Detection

RLHF

Question Answering

Text Summarization

Transcription

Computer Programming Coding

Prompt Response Writing SFT

Freelancer Overview

I am a Data Labeler and Annotation Expert with over seven years of professional experience in AI training data and complex labeling workflows, delivering high-quality, consistent outputs across detail-oriented projects. I have extensive experience working with platforms such as Remotasks, Handshake and OneForma where I specialized in annotating, reviewing, and validating datasets with a strong focus on accuracy and strict adherence to quality standards. My expertise spans multiple data types, with a particular strength in computer code and programming-related annotation tasks, ensuring datasets are optimized for machine learning models. I hold a Bachelor’s degree in Information Security and Forensics from Kenya College of Accountancy, which strengthens my analytical, investigative, and technical capabilities in data handling and evaluation. My core strengths include precision, critical thinking, and the ability to manage structured annotation workflows efficiently in fast-paced environments. I bring a strong quality assurance mindset, making me highly effective in delivering reliable AI training data at scale.

Labeling Experience

AI Trainer

Remotasks

As an AI Trainer at Remotask, I trained artificial intelligence models to code and analyze data. My responsibilities included tutoring AI in basic data analysis using Excel, Python, Jupyter Notebook, and Access. The role involved the practical application of coding and analysis skills to support AI training initiatives. • Provided direct instruction to AI models for code interpretation and generation • Implemented training tasks in commonly used data analysis tools and programming environments • Ensured accurate data code labeling and task completion • Contributed to the iterative improvement of AI learning processes

As an AI Trainer at Remotask, I trained artificial intelligence models to code and analyze data. My responsibilities included tutoring AI in basic data analysis using Excel, Python, Jupyter Notebook, and Access. The role involved the practical application of coding and analysis skills to support AI training initiatives. • Provided direct instruction to AI models for code interpretation and generation • Implemented training tasks in commonly used data analysis tools and programming environments • Ensured accurate data code labeling and task completion • Contributed to the iterative improvement of AI learning processes

2023 - Present

Education

Work History