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John Heins

John Heins

AI Training Data Specialist

USA flag
Hackensack, Usa
$20.00/hrExpertOtherData Annotation TechLabel Studio

Key Skills

Software

Other
Data Annotation TechData Annotation Tech
Label StudioLabel Studio
Micro1
RemotasksRemotasks
Scale AIScale AI
Snorkel AISnorkel AI

Top Subject Matter

Large Language Models/Natural Language Processing
Machine Learning/Natural Language Processing
Legal Services & Contract Review

Top Data Types

TextText
DocumentDocument
ImageImage

Top Task Types

RLHF
Classification
Object Detection
Text Generation
Question Answering
Prompt Response Writing SFT
Bounding Box

Freelancer Overview

AI Training Data Specialist. Brings 24+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Rutgers University (2004) and Master of Business Administration, The College of New Jersey (2006). AI-training focus includes data types such as Text and labeling workflows including RLHF and Classification.

ExpertEnglish

Labeling Experience

AI Training Data Specialist

OtherTextRLHF
As an AI Training Data Specialist, I evaluated and ranked AI-generated responses to enhance large language model outputs. I applied reinforcement learning with human feedback (RLHF) to guide model optimization and annotated extensive text datasets for NLP training. I conducted prompt and instruction following assessments to ensure model accuracy and safety. • Evaluated LLM responses for quality, accuracy, and relevance. • Applied RLHF techniques for model alignment. • Annotated large text datasets for AI training pipelines. • Conducted quality assurance to ensure annotation consistency.

As an AI Training Data Specialist, I evaluated and ranked AI-generated responses to enhance large language model outputs. I applied reinforcement learning with human feedback (RLHF) to guide model optimization and annotated extensive text datasets for NLP training. I conducted prompt and instruction following assessments to ensure model accuracy and safety. • Evaluated LLM responses for quality, accuracy, and relevance. • Applied RLHF techniques for model alignment. • Annotated large text datasets for AI training pipelines. • Conducted quality assurance to ensure annotation consistency.

2020 - Present

Data Annotation & Dataset Preparation Analyst

OtherTextClassification
As a Data Annotation & Dataset Preparation Analyst, I labeled and categorized structured and unstructured datasets for machine learning and NLP models. I performed text classification, sentiment analysis, and entity tagging tasks according to detailed guidelines. I maintained high standards for training data accuracy and consistency. • Conducted dataset validation and quality reviews. • Collaborated with data scientists to improve dataset design. • Prepared datasets using SQL and Python tools. • Ensured reliable and consistent data labeling.

As a Data Annotation & Dataset Preparation Analyst, I labeled and categorized structured and unstructured datasets for machine learning and NLP models. I performed text classification, sentiment analysis, and entity tagging tasks according to detailed guidelines. I maintained high standards for training data accuracy and consistency. • Conducted dataset validation and quality reviews. • Collaborated with data scientists to improve dataset design. • Prepared datasets using SQL and Python tools. • Ensured reliable and consistent data labeling.

2012 - 2020

Education

T

The College of New Jersey

Master of Business Administration, Applied Statistics

Master of Business Administration
2004 - 2006
R

Rutgers University

Bachelor of Science, Economics

Bachelor of Science
2000 - 2004

Work History

R

RWS

AI training Data Specialist

Sommerville
2020 - Present
M

Michigan Economic Development Corporation

Financial Analyst

Hackensack
2012 - Present