Mary Kinyanjui

Key Skills

Software

AWS SageMaker

Appen

CVAT

Data Annotation Tech

iMerit

Mercor

Mindrift

Telus

Top Subject Matter

No subject matter listed

Top Data Types

Audio

Computer Code Programming

Image

Top Task Types

Audio Recording

Computer Programming Coding

Evaluation Rating

Object Detection

Freelancer Overview

I am a dedicated AI training and data labeling professional with strong experience in text analysis, content evaluation, and high-accuracy annotation across various domains. I excel in tasks that require attention to detail, critical thinking, and clear judgment, including LLM evaluation, content moderation, classification, summarization, and sentiment analysis. My ability to understand context, identify subtle nuances, and maintain consistent quality makes me a reliable contributor to NLP and AI development projects. In addition to text-based work, I have hands-on experience with image and document labeling, ensuring precise annotations that support computer vision and classification tasks. I am highly adaptable, quick to learn new workflows, and committed to meeting project deadlines with accuracy and professionalism. With a strong work ethic and a passion for contributing to the advancement of AI systems, I bring a combination of reliability, skill, and consistency that sets me apart in training cutting-edge models.

Labeling Experience

Transcriptionist & Quality Reviewer

TelusAudioSegmentationTranslation Localization

Transcribed and edited audio files with precision, ensuring correct grammar, punctuation, and context accuracy. Collaborated with QA teams to review and refine transcripts for clarity, formatting, and client-specific style guidelines.

Transcribed and edited audio files with precision, ensuring correct grammar, punctuation, and context accuracy. Collaborated with QA teams to review and refine transcripts for clarity, formatting, and client-specific style guidelines.

2024 - 2024

Data Annotator

ImeritTextEntity Ner ClassificationClassification

Annotated, transcribed, and edited large volumes of text and audio data to support AI model training. Collaborated with project managers and QA teams to ensure high accuracy, consistency, and adherence to linguistic guidelines. Conducted detailed quality checks, corrections, and formatting for datasets used in NLP and automation projects for clients such as Hellotax.

Annotated, transcribed, and edited large volumes of text and audio data to support AI model training. Collaborated with project managers and QA teams to ensure high accuracy, consistency, and adherence to linguistic guidelines. Conducted detailed quality checks, corrections, and formatting for datasets used in NLP and automation projects for clients such as Hellotax.

2023 - 2024

Education

Work History