Kevin O.

Key Skills

Software

CVAT

Data Annotation Tech

Clickworker

Top Subject Matter

AI model training and evaluation (text & conversations)

AI training dataset annotation (images)

AI training dataset annotation (audio)

Top Data Types

Text

Image

Audio

Top Task Types

Classification

Transcription

Data Collection

Freelancer Overview

Freelance AI Data Annotator and AI Trainer (Remote, Self-Employed). Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose, Google Workspace, and Microsoft Office. Education includes Kenya Certificate of Secondary Education, St Josephs High School (2021). AI-training focus includes data types such as Text, Image, and Audio and labeling workflows including Classification, Transcription, and Data Collection.

Labeling Experience

Freelance AI Data Annotator and AI Trainer (Remote, Self-Employed)

Don't discloseAudioTranscription

Performed annotation work on audio datasets for conversational and AI training purposes, focusing on preparing high-quality labeled data. Applied quality assurance checks to maintain accuracy in labeled outputs. Coordinated annotation work with evaluation and feedback activities used to improve model behavior. • Labeled audio components as part of training and review workflows. • Checked labeled outputs for accuracy and completeness. • Contributed to overall dataset quality assurance. • Supported iterative model improvements through evaluation feedback.

2023 - Present

Freelance AI Data Annotator and AI Trainer (Remote, Self-Employed)

Don't discloseImageClassification

Annotated and categorized image data as part of AI training datasets while ensuring quality and guideline compliance. Contributed to dataset preparation by applying consistent labeling standards across large volumes. Supported evaluation and iterative improvements by incorporating findings from model response reviews. • Labeled and categorized image datasets for model training. • Ensured consistency and quality across annotations. • Participated in feedback-driven prompt testing workflows. • Helped verify dataset reliability using internet research.

2023 - Present

Freelance AI Data Annotator and AI Trainer (Remote, Self-Employed)

Don't discloseTextClassification

Worked as a freelance AI data annotator and AI trainer, focusing on labeling and categorizing text datasets for AI model training. Evaluated AI-generated responses for accuracy and safety while performing sentiment analysis aligned to project guidelines. Assisted with prompt testing and feedback loops to improve downstream model outputs. • Labeled text data and performed sentiment analysis with attention to detail. • Categorized inputs/outputs according to provided instructions to maintain consistency. • Reviewed responses for accuracy, safety, and quality. • Supported prompt engineering by testing prompts and providing improvement feedback.

2023 - Present

Virtual Assistant and Online Support Specialist (Remote)

TextData Collection

Provided support involving data entry and online support tasks that contributed to organized records for ongoing operations. Assisted with research and communication workflows using standard office productivity tools. While not primarily an AI training role, responsibilities included maintaining accurate documentation supporting data-handling processes. • Completed data entry and scheduling-related tasks. • Supported digital operations with Google Workspace and Microsoft Office. • Assisted clients with research and communication. • Maintained organized records and accurate documentation.

2022 - 2023

Education

Work History