Mitchell D.

Key Skills

Software

Other

Top Subject Matter

Multimodal AI training datasets (text, images, audio, video)

AI response evaluation and multimodal dataset annotation

Conversational AI training data (helpfulness/honesty/harmlessness)

Top Data Types

Text

Audio

Document

Video

Top Task Types

Fine-tuning

Freelancer Overview

AI Data Annotator (Freelance) - DataAnnotation (Remote). Brings 12+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Other. Education includes Bachelor of Science, City College of New York (CUNY) (2014) and Associate of Science, CUNY Bronx Community College (2012). AI-training focus includes data types such as Text, Audio, and Document and labeling workflows including Evaluation, Rating, and Fine-tuning.

Labeling Experience

AI Content Annotator (Freelance) - Outlier (Remote)

OtherAudio

Evaluated and annotated diverse AI-related content including audio transcripts, images, video, and text. Rated AI-generated responses for factual accuracy, relevance, coherence, and safety according to project rubric. Identified and flagged inappropriate, biased, misleading, or factually incorrect content and provided constructive feedback to improve model performance. • Rated responses on factuality, relevance, coherence, and safety • Flagged biased, misleading, unsafe, or incorrect content • Provided detailed feedback to support improvements in AI outputs • Ranked in top 15% of annotators for quality, speed, and reliability

2024 - Present

Content Review Specialist - Freelance/Contract (Remote)

OtherDocument

Reviewed and evaluated digital content for accuracy, appropriateness, and policy compliance. Flagged misleading, factually incorrect, or sensitive material according to detailed project guidelines. Managed multiple concurrent projects while meeting tight deadlines. • Checked content for factual accuracy and policy compliance • Flagged misleading, incorrect, or sensitive material • Followed detailed rating/review guidelines • Supported timely delivery across multiple projects

2023 - Present

Data Annotation Specialist (Freelance) - Handshake AI (Remote)

OtherTextFine-tuning

Performed text annotation, classification, and ranking for machine learning training data in support of conversational AI improvement. Reviewed and labeled dialogue responses based on helpfulness, honesty, and harmlessness criteria. Conducted fact-checking and source verification and coordinated with team leads to resolve ambiguous cases and refine annotation guidelines. • Annotated and classified conversational AI responses • Ranked responses for quality according to project instructions • Verified facts and checked sources for AI-generated content • Maintained 96%+ accuracy across multiple concurrent projects with tight turnaround

2026 - 2026

AI Data Annotator (Freelance) - DataAnnotation (Remote)

OtherText

Annotated and labeled multimodal training data to support AI model learning and evaluation. Applied strict quality assurance checks to maintain accuracy on diverse instructions and evolving annotation schemas. Focused on meeting project deadlines while collaborating to resolve ambiguous labeling edge cases. • Labeled content across multimodal inputs including text, images, audio, and video • Adapted to changing annotation guidelines and complex instruction sets • Collaborated with project leads to improve consistency on edge cases • Maintained 98%+ QA score while working 40+ hours weekly

2024 - 2025

Education

Work History