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R

Rachel Weintraub

AI Training Fellow and Chemistry Expert, Handshake AI

USA flagGaithersburg, MD, Usa
IntermediateOtherSnorkel AI

Key Skills

Software

Other
Snorkel AISnorkel AI

Top Subject Matter

Organic Chemistry
AI Training
FDA Regulatory

Top Data Types

TextText
VideoVideo
DocumentDocument

Top Task Types

Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

AI Training Fellow and Chemistry Expert, Handshake AI. Brings 16+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal, Proprietary Tooling, and Other. Education includes Doctor of Philosophy, University of Colorado Boulder (2022) and Master of Science (Coursework), University of Florida College of Pharmacy (2015). AI-training focus includes data types such as Text and labeling workflows including Prompt + Response Writing (SFT).

Intermediate

Labeling Experience

AI Training Fellow and Chemistry Expert, Handshake AI

TextPrompt Response Writing SFT
Create expert-level organic chemistry prompts for the purpose of training large language models. Evaluate model responses and perform preference annotation, consistently providing strong justifications and receiving high quality ratings. Collaborate remotely using specialized software tools for AI training and annotation tasks. • Developed high-skill chemistry prompts for LLM training • Conducted preference annotation and scoring for model outputs • Regularly provided detailed, rigorous justifications for ratings • Maintained consistently high quality standards and feedback

Create expert-level organic chemistry prompts for the purpose of training large language models. Evaluate model responses and perform preference annotation, consistently providing strong justifications and receiving high quality ratings. Collaborate remotely using specialized software tools for AI training and annotation tasks. • Developed high-skill chemistry prompts for LLM training • Conducted preference annotation and scoring for model outputs • Regularly provided detailed, rigorous justifications for ratings • Maintained consistently high quality standards and feedback

2026 - Present
Snorkel AI

AI Trainer and Chemistry Expert Contributor, Snorkel AI

Snorkel AITextPrompt Response Writing SFT
Created advanced organic chemistry prompts and detailed scoring rubrics for use in large language model training at Snorkel AI. Evaluated AI-generated answers and performed preference annotation with high-quality rationales. Consistently delivered expert-level input to improve model accuracy and performance. • Authored expert and graduate-level chemistry prompts for LLM training • Developed and applied scoring rubrics for response assessment • Provided detailed feedback and preference annotations on model outputs • Achieved recognition for annotation accuracy and thoroughness

Created advanced organic chemistry prompts and detailed scoring rubrics for use in large language model training at Snorkel AI. Evaluated AI-generated answers and performed preference annotation with high-quality rationales. Consistently delivered expert-level input to improve model accuracy and performance. • Authored expert and graduate-level chemistry prompts for LLM training • Developed and applied scoring rubrics for response assessment • Provided detailed feedback and preference annotations on model outputs • Achieved recognition for annotation accuracy and thoroughness

2025 - Present

Data Analyst, Prompt Engineer, and Vibe Coder, RAW PhD, LLC

OtherTextPrompt Response Writing SFT
Utilized prompt engineering and vibe coding strategies to support AI-driven functions for data analysis workflows in a professional data consultancy. Designed prompts and instructional templates for AI software, optimizing business materials such as website content, reports, and communication formats. Extensively used AI platforms to enhance document and data analysis processes. • Created and engineered prompts for multiple AI models • Supported legal and regulatory investigations with AI-enhanced data workflows • Utilized leading AI software including Claude Code, ChatGPT, Gemini, Base44, Copilot • Enhanced business operations with AI-driven content creation and analysis

Utilized prompt engineering and vibe coding strategies to support AI-driven functions for data analysis workflows in a professional data consultancy. Designed prompts and instructional templates for AI software, optimizing business materials such as website content, reports, and communication formats. Extensively used AI platforms to enhance document and data analysis processes. • Created and engineered prompts for multiple AI models • Supported legal and regulatory investigations with AI-enhanced data workflows • Utilized leading AI software including Claude Code, ChatGPT, Gemini, Base44, Copilot • Enhanced business operations with AI-driven content creation and analysis

2025 - Present

Education

U

University of Colorado Boulder

Doctor of Philosophy, Chemistry (Organic Chemistry)

Doctor of Philosophy
2016 - 2022
U

University of Florida College of Pharmacy

Master of Science (Coursework), Pharmaceutical Chemistry

Master of Science (Coursework)
2012 - 2015

Work History

R

RAW PhD

Chief Executive Officer and Founder

Gaithersburg, MD
2025 - Present
S

Self-Employed

Scientific Writer and Educational Content Creator

Gaithersburg, MD
2024 - 2025