Henry J.

Key Skills

Software

Scale AI

Other

Top Subject Matter

Web3 Domain Expertise

Crypto Domain Expertise

Defi Domain Expertise

Top Data Types

Text

Document

Top Task Types

RLHF

Prompt + Response Writing (SFT)

Freelancer Overview

Freelance AI Trainer & Data Annotator — Scale AI / Outlier / DataAnnotation.com (2023 – Present). Brings 5+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Scale AI and Other. Education includes Bachelor of Science, Federal University Otuoke (2023). AI-training focus includes data types such as Text, Computer Code, and Programming and labeling workflows including RLHF, Prompt + Response Writing (SFT), and Evaluation.

Labeling Experience

Co-Founder & Growth Lead — Axioflo (2023 – Present)

OtherTextPrompt + Response Writing (SFT)

Supported AI-training adjacent work by producing domain-focused content and structured materials used for ecosystem education and community engagement. Produced investor-facing and event materials that require factual review and clear, audience-specific prompt-style writing. Applied analytical thinking to ensure information quality aligned with Web3 growth objectives. • Created Web3 education and community event materials • Developed sponsorship proposals and investor-facing decks • Produced structured, audience-targeted technical explanations • Applied factual clarity and review practices for reliability

2023 - Present

Freelance AI Trainer & Data Annotator — Scale AI / Outlier / DataAnnotation.com (2023 – Present)

Scale AITextRLHF

Provided RLHF and preference ranking annotations for large language model training pipelines. Wrote, tested, and evaluated prompts spanning coding, reasoning, math, and general knowledge domains. Labeled text, code responses, and factual outputs to improve model accuracy and safety. • RLHF and preference ranking for LLM training • Prompt writing and evaluation across multiple knowledge areas • Annotation of code and factual outputs for quality/safety • Web3/crypto domain specialization for expert-level labeling

2023 - Present

Tech Project Founder — Multiple Ventures (2022 – Present)

Other

Built AI automation workflows and implemented cybersecurity-aware data handling in independent tech projects. Performed code and security checks that support downstream AI training and data processing needs. Applied attention to detail when validating workflow behavior and outputs. • Developed and refined AI automation workflows • Applied cybersecurity best practices to product architecture • Validated workflow logic and output quality • Supported reliable data handling for automation pipelines

2022 - Present

Education

Work History