David Ndungu

Key Skills

Software

Data Annotation Tech

Labelbox

Label Studio

Scale AI

Internal/Proprietary Tooling

Top Subject Matter

No subject matter listed

Top Data Types

Medical Dicom

Top Task Types

Question Answering

Freelancer Overview

Data Labelling Experience Summary I have hands-on experience in data annotation and labelling for AI and machine learning projects. This includes working with text, audio, and image datasets. My tasks involve tagging, categorizing, and validating data accurately to ensure high-quality training sets for AI models. I pay attention to detail, remain consistent, and follow strict guidelines while meeting deadlines. I have used various labelling tools and platforms. My work includes classification, transcription, bounding box annotation, sentiment tagging, and entity recognition techniques. Through these efforts, I have helped create datasets that boost the performance of NLP, computer vision, and speech recognition systems. My strengths include: - A strong focus on accuracy and quality assurance. - The ability to quickly adjust to new guidelines and project needs. - Efficiency in handling repetitive tasks while maintaining consistency. - Experience working in remote teams and meeting productivity goals. I am committed to supporting AI development by providing reliable and high-quality annotated datasets that meet project standards.

Labeling Experience

Content writing and Text categorization

Scale AITextEntity Ner ClassificationText Generation

I worked on reviewing and categorizing written content to improve the quality and clarify the text data. My task was proofreading for grammar and spelling classification document by subject, identify the tone and sentiment. The project contributed to training AI models for better writing asssitance

I worked on reviewing and categorizing written content to improve the quality and clarify the text data. My task was proofreading for grammar and spelling classification document by subject, identify the tone and sentiment. The project contributed to training AI models for better writing asssitance

2022 - 2025

Audio Transcription and Tagging

Internal Proprietary ToolingAudioText GenerationText Summarization

I participated in audio transcription and tagging tasks, where i converted speech in to accurate text. the project required careful listening and consistent formatting to ensure high quality data for training speech.

I participated in audio transcription and tagging tasks, where i converted speech in to accurate text. the project required careful listening and consistent formatting to ensure high quality data for training speech.

2020 - 2023

Education

Work History