Stephen Makewa

Key Skills

Software

Appen

Top Subject Matter

No subject matter listed

Top Data Types

Audio

Computer Code Programming

Text

Video

Top Label Types

Evaluation Rating

Data Collection

Freelancer Overview

I am a detail-oriented professional with hands-on experience in data annotation and supporting AI projects through the creation of structured, multilingual datasets. My background in computer science, combined with practical expertise in technical writing and digital organization, allows me to optimize workflows and ensure high-quality, accurate training data for machine learning applications. I am skilled in using tools such as Excel for automation and process optimization, and I bring strong communication skills and a client-focused approach to every project. My experience spans projects that require clear documentation, attention to detail, and the ability to adapt to diverse data domains, making me well-equipped to contribute to data labeling and AI training data roles.

Labeling Experience

Freelance AI Reviewer & Annotator

AppenTextEvaluation Rating

This role involved linguistic annotation and evaluation of AI outputs in Swahili, Masaba, and English. I assessed AI-generated content for factual accuracy, clarity, and cultural relevance across multiple projects. Structured feedback was provided to enhance model performance and minimize bias. • Conducted annotation and data review for multilingual datasets. • Evaluated linguistic quality and identified potential sources of bias. • Collaborated with global teams on structured annotation tasks. • Improved consistency and reliability of AI systems through detailed documentation.

This role involved linguistic annotation and evaluation of AI outputs in Swahili, Masaba, and English. I assessed AI-generated content for factual accuracy, clarity, and cultural relevance across multiple projects. Structured feedback was provided to enhance model performance and minimize bias. • Conducted annotation and data review for multilingual datasets. • Evaluated linguistic quality and identified potential sources of bias. • Collaborated with global teams on structured annotation tasks. • Improved consistency and reliability of AI systems through detailed documentation.

2024

Technical Writer & Content Creator (AI Data)

TextData Collection

As a technical writer and content creator, I developed AI training datasets and generated multilingual content. My work included creating cultural and linguistic datasets focused on East African languages. I authored structured guides aimed at improving the quality of digital and automation workflows. • Contributed to the creation of training datasets for AI systems. • Authored content to support automation and digital projects. • Ensured linguistic accuracy and cultural contextualization in data. • Supported project workflows with clearly structured datasets and documentation.

As a technical writer and content creator, I developed AI training datasets and generated multilingual content. My work included creating cultural and linguistic datasets focused on East African languages. I authored structured guides aimed at improving the quality of digital and automation workflows. • Contributed to the creation of training datasets for AI systems. • Authored content to support automation and digital projects. • Ensured linguistic accuracy and cultural contextualization in data. • Supported project workflows with clearly structured datasets and documentation.

2023 - 2024

Education

Work History