Mathai K.

Key Skills

Software

Other

Clickworker

Top Subject Matter

Conversational AI / AI Training Data

Conversational AI / AI Evaluation

Top Data Types

Text

Document

Top Task Types

Classification

Data Collection

Freelancer Overview

Freelance AI Data Annotation Specialist. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, United States International University – Africa (2022). AI-training focus includes data types such as Text and labeling workflows including Classification, Evaluation, and Rating.

Labeling Experience

Freelance AI Data Annotation Specialist

OtherTextClassification

As a Freelance AI Data Annotation Specialist, I annotated conversational AI datasets for tasks such as intent classification and sentiment analysis. I evaluated AI-generated outputs for quality assurance and validated structured data to ensure accuracy and consistency. My work focused on supporting machine learning workflows and maintaining high-quality datasets. • Annotated and labeled large text datasets using structured formats such as JSON and spreadsheets. • Performed quality checks and validation of AI outputs and chatbots. • Organized datasets for AI training and fine-tuning purposes. • Followed project-specific guidelines to achieve high accuracy.

2024 - Present

Freelance AI Content Reviewer & Virtual Assistant

OtherText

As a Freelance AI Content Reviewer & Virtual Assistant, I contributed to conversational AI evaluation and content review. I assessed textual responses for clarity, intent, and grammatical accuracy while organizing findings in structured formats. My tasks supported AI output improvement through ongoing prompt-response analysis and testing. • Evaluated AI assistant outputs for relevance and quality in text form. • Helped organize dataset findings in spreadsheets and structured documents. • Conducted prompt-response analysis related to conversational models. • Assisted in testing conversational AI systems remotely.

2023 - 2024

Education

Work History