Johnston Michael

Key Skills

Software

Mindrift

Telus

Appen

Remotasks

Other

Top Subject Matter

Search Engine Results and Online Content

AI-Generated Web and Search Content

Academic Research Data

Top Data Types

Text

Top Task Types

Classification

Freelancer Overview

AI Data Specialist (Remote – Freelance). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Mindrift, Telus, and Appen. Education includes Master of Science, University of Florida (2020) and Bachelor of Science, Florida International University (2018). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

AI Data Specialist (Remote – Freelance)

MindriftText

As an AI Data Specialist, I evaluated search engine results, analyzed user intent, and scored content relevance in line with set guidelines. I performed content annotation, pairwise search result comparisons, and flagged low-quality or harmful content. My work involved providing structured feedback to enhance AI algorithms. • Conducted relevance and trustworthiness scoring of digital search results • Performed pairwise comparisons and flagged unsafe content • Maintained high accuracy and met productivity targets • Used feedback to improve AI search and ranking systems

As an AI Data Specialist, I evaluated search engine results, analyzed user intent, and scored content relevance in line with set guidelines. I performed content annotation, pairwise search result comparisons, and flagged low-quality or harmful content. My work involved providing structured feedback to enhance AI algorithms. • Conducted relevance and trustworthiness scoring of digital search results • Performed pairwise comparisons and flagged unsafe content • Maintained high accuracy and met productivity targets • Used feedback to improve AI search and ranking systems

2023 - Present

Data Quality Analyst (Remote – Part-Time)

Text

As a Data Quality Analyst, I evaluated AI-generated content for accuracy and coherence. I moderated, annotated, and provided feedback on online data to enhance LLM search and ranking systems. My responsibilities required meticulous review and adherence to quality standards. • Reviewed credibility and bias in AI-generated search content • Annotated large conversational and search datasets • Moderated and flagged unsafe or low-quality information • Delivered feedback to improve AI search and ranking logic

As a Data Quality Analyst, I evaluated AI-generated content for accuracy and coherence. I moderated, annotated, and provided feedback on online data to enhance LLM search and ranking systems. My responsibilities required meticulous review and adherence to quality standards. • Reviewed credibility and bias in AI-generated search content • Annotated large conversational and search datasets • Moderated and flagged unsafe or low-quality information • Delivered feedback to improve AI search and ranking logic

2022 - 2023

Research Assistant / Data Analyst

TextClassification

As a Research Assistant and Data Analyst, I labeled structured and unstructured data for academic research. I applied quality checks and categorization techniques to large sets of web-collected information. My role focused on ensuring data quality and relevance for downstream analysis. • Collected and validated datasets from digital sources • Applied categorization and labeling on academic data • Performed statistical relevance and quality analysis • Prepared reports and data documentation

As a Research Assistant and Data Analyst, I labeled structured and unstructured data for academic research. I applied quality checks and categorization techniques to large sets of web-collected information. My role focused on ensuring data quality and relevance for downstream analysis. • Collected and validated datasets from digital sources • Applied categorization and labeling on academic data • Performed statistical relevance and quality analysis • Prepared reports and data documentation

2020 - 2022

Education

Work History