Magdalene Mwau

Key Skills

Software

Other

Appen

Clickworker

Axiom AI

Top Subject Matter

General Domain Expertise

Search Relevance

Machine Learning

Top Data Types

Text

Image

Document

Top Task Types

Classification

Bounding Box

Segmentation

Entity Ner Classification

Point Key Point

Object Detection

Text Generation

Question Answering

Text Summarization

Fine Tuning

Evaluation Rating

Data Collection

Prompt Response Writing SFT

Transcription

Freelancer Overview

Data Annotation Specialist - TELUS International. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Telus and Other. Education includes Bachelor of Science, Jomo Kenyatta University of Agriculture and Technology (2023) and Bachelor of Arts, University of Nairobi (2020). AI-training focus includes data types such as Text and labeling workflows including Classification, Evaluation, and Rating.

Labeling Experience

Data Annotation Specialist - TELUS International

TelusTextClassification

As a Data Annotation Specialist at TELUS International, I conducted metadata tagging and search relevance evaluation on various datasets for machine learning initiatives. I was responsible for verifying text accuracy and formatting to enhance data quality. My work involved handling confidential datasets with strict adherence to privacy standards. • Conducted metadata tagging on diverse textual datasets. • Evaluated search relevance for AI/ML applications. • Ensured text accuracy in large batches to train machine learning models. • Maintained confidentiality in compliance with data privacy laws.

As a Data Annotation Specialist at TELUS International, I conducted metadata tagging and search relevance evaluation on various datasets for machine learning initiatives. I was responsible for verifying text accuracy and formatting to enhance data quality. My work involved handling confidential datasets with strict adherence to privacy standards. • Conducted metadata tagging on diverse textual datasets. • Evaluated search relevance for AI/ML applications. • Ensured text accuracy in large batches to train machine learning models. • Maintained confidentiality in compliance with data privacy laws.

2025 - 2026

Data Annotator - RWS Group

OtherTextClassification

As a Data Annotator at RWS Group, I annotated clinical and general datasets across multiple media, including text, image, and audio formats. My primary focus was to ensure labeling accuracy, consistency, and strict compliance with project guidelines. I performed quality checks and contributed to refining annotation guidelines for optimal data usability. • Annotated datasets, including clinical and general domain content. • Ensured consistency and compliance with labeling standards. • Performed review and QA on completed data batches. • Assisted with refinement of project annotation guidelines.

As a Data Annotator at RWS Group, I annotated clinical and general datasets across multiple media, including text, image, and audio formats. My primary focus was to ensure labeling accuracy, consistency, and strict compliance with project guidelines. I performed quality checks and contributed to refining annotation guidelines for optimal data usability. • Annotated datasets, including clinical and general domain content. • Ensured consistency and compliance with labeling standards. • Performed review and QA on completed data batches. • Assisted with refinement of project annotation guidelines.

2025 - 2025

Language and AI Data Specialist - Crowdgen

OtherTextClassification

As a Language and AI Data Specialist at Crowdgen, I performed linguistic reviews and semantic tagging of English text data. My work included annotating for sentiment, tone, intent, and syntactic features to improve dataset quality and NLP model performance. I regularly collaborated with AI developers to ensure annotation accuracy and project alignment. • Conducted semantic tagging and linguistic data review. • Labeled sentiment, tone, intent, and syntax for NLP projects. • Performed dataset quality assurance for AI applications. • Collaborated with remote cross-functional teams for project delivery.

As a Language and AI Data Specialist at Crowdgen, I performed linguistic reviews and semantic tagging of English text data. My work included annotating for sentiment, tone, intent, and syntactic features to improve dataset quality and NLP model performance. I regularly collaborated with AI developers to ensure annotation accuracy and project alignment. • Conducted semantic tagging and linguistic data review. • Labeled sentiment, tone, intent, and syntax for NLP projects. • Performed dataset quality assurance for AI applications. • Collaborated with remote cross-functional teams for project delivery.

2022 - 2025

LLM Data Specialist – Welo Data

OtherText

As an LLM Data Specialist at Welo Data, I reviewed AI-generated clinical responses for quality and safety. I identified inaccuracies and safety risks in AI outputs and provided detailed structured feedback for improvements. This role supported the safe deployment and ongoing evaluation of large language models in healthcare contexts. • Evaluated and rated AI-generated clinical content. • Identified critical and non-critical errors in LLM outputs. • Provided structured feedback to improve LLM safety. • Supported performance monitoring for healthcare AI tools.

As an LLM Data Specialist at Welo Data, I reviewed AI-generated clinical responses for quality and safety. I identified inaccuracies and safety risks in AI outputs and provided detailed structured feedback for improvements. This role supported the safe deployment and ongoing evaluation of large language models in healthcare contexts. • Evaluated and rated AI-generated clinical content. • Identified critical and non-critical errors in LLM outputs. • Provided structured feedback to improve LLM safety. • Supported performance monitoring for healthcare AI tools.

2023 - 2024

Education

Work History