Mercy C.

Key Skills

Software

Argilla

Appen

Clickworker

CVAT

Label Studio

Labelbox

Scale AI

Toloka

SuperAnnotate

Top Subject Matter

Medical Domain Expertise

Technical Domain Expertise

Linguistics Domain Expertise

Top Data Types

Text

Document

Audio

Top Task Types

Classification

Data Collection

RLHF

Transcription

Prompt + Response Writing (SFT)

Text Summarization

Text Generation

Entity (NER) Classification

Evaluation/Rating

Question Answering

Object Detection

Freelancer Overview

AI Training & Data Annotation Specialist. Brings 4+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Other. Education includes Bachelor of Arts, Mount Kenya University (2023) and Certificate in Teaching English as a Foreign Language, TeacherRecord (2026). AI-training focus includes data types such as Text and labeling workflows including Classification and Data Collection.

Labeling Experience

AI Training & Data Annotation Specialist

OtherTextClassification

As an AI Training & Data Annotation Specialist, I performed precise labeling of text and image datasets used for machine learning model training. I specialized in annotating medical and technical datasets, ensuring strict adherence to project guidelines. I consistently delivered high validation accuracy, thereby improving overall AI model performance. • Labeled text and image data for AI and ML projects • Focused on medical and technical subject matter • Maintained rigorous validation and confidentiality • Utilized remote workflow tools for task management

2025 - Present

AI Data Contributor

OtherTextData Collection

As an AI Data Contributor, I produced high-quality Swahili and English datasets for AI training and evaluation. I conducted linguistic evaluations to ensure clarity, accuracy, and consistency across all data. I documented workflows and guidelines while collecting and validating audio datasets aligned with regional language needs. • Generated language-specific datasets for training • Performed data validation and linguistic review • Supported regional language adaptation • Maintained documentation for QA purposes

2024 - Present

Education

Work History