Christon Waithaka

Key Skills

Software

Snorkel AI

OneForma

Top Subject Matter

General AI/Data Labeling

NLP/Sentiment Analysis

Audio Transcription/AI Training

Top Data Types

Video

Text

Audio

Image

Top Task Types

Classification

Transcription

Question Answering

Freelancer Overview

Data Annotation Specialist – Atlas Capture. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Atlas Capture, Snorkel AI, and OneForma. Education includes Bachelor of Science, Technical University of Mombasa (2024). AI-training focus includes data types such as Video, Text, and Audio and labeling workflows including Classification and Transcription.

Labeling Experience

Data Labeling Contributor – Snorkel AI

Snorkel AITextClassification

As a Data Labeling Contributor for Snorkel AI, I worked on natural language processing (NLP) tasks including sentiment analysis and classification. I contributed to improving dataset quality for machine learning models. This role involved carefully reading and labeling text data to support AI training. • Labeled textual data for sentiment and topic classification. • Ensured high-quality, consistent annotation of NLP datasets. • Helped refine schema for label categories. • Assisted with quality assurance reviews for text labels.

As a Data Labeling Contributor for Snorkel AI, I worked on natural language processing (NLP) tasks including sentiment analysis and classification. I contributed to improving dataset quality for machine learning models. This role involved carefully reading and labeling text data to support AI training. • Labeled textual data for sentiment and topic classification. • Ensured high-quality, consistent annotation of NLP datasets. • Helped refine schema for label categories. • Assisted with quality assurance reviews for text labels.

2024 - Present

Data Annotation Specialist – Atlas Capture

VideoClassification

As a Data Annotation Specialist at Atlas Capture, I performed annotation tasks across video, image, and audio datasets. I maintained high accuracy while following strict annotation guidelines. My duties involved annotating and validating tasks for AI training data. • Labeled objects and actions in videos and images for computer vision AI models. • Performed quality checks on audio dataset annotations. • Collaborated with team members to meet project milestones. • Ensured consistency across multiple annotation assignments.

As a Data Annotation Specialist at Atlas Capture, I performed annotation tasks across video, image, and audio datasets. I maintained high accuracy while following strict annotation guidelines. My duties involved annotating and validating tasks for AI training data. • Labeled objects and actions in videos and images for computer vision AI models. • Performed quality checks on audio dataset annotations. • Collaborated with team members to meet project milestones. • Ensured consistency across multiple annotation assignments.

2024 - Present

AI Data Annotation Freelancer

OneformaAudioTranscription

As an AI Data Annotation Freelancer, I completed tasks on platforms such as OneForma, Telus AI, and Sigma AI involving both transcription and data labeling. I handled diverse data types and annotation requirements for multiple clients. My work contributed to building robust and varied datasets for AI systems. • Transcribed and labeled audio data for training ASR models. • Used multiple annotation platforms as required by clients. • Focused on data accuracy, completeness, and adherence to client guidelines. • Balanced multiple projects to meet strict deadlines.

As an AI Data Annotation Freelancer, I completed tasks on platforms such as OneForma, Telus AI, and Sigma AI involving both transcription and data labeling. I handled diverse data types and annotation requirements for multiple clients. My work contributed to building robust and varied datasets for AI systems. • Transcribed and labeled audio data for training ASR models. • Used multiple annotation platforms as required by clients. • Focused on data accuracy, completeness, and adherence to client guidelines. • Balanced multiple projects to meet strict deadlines.

2023 - Present

Education

Work History