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Alexander Graf

Alexander Graf

Independent Market Analyst & Metal Fabricator -Custom Furniture

USA flag
Jersey City, Usa
$25.00/hrIntermediateInternal Proprietary Tooling

Key Skills

Software

Internal/Proprietary Tooling

Top Subject Matter

No subject matter listed

Top Data Types

TextText

Top Label Types

Question Answering
Text Summarization
RLHF
Evaluation Rating
Prompt Response Writing SFT

Freelancer Overview

I bring years of hands-on experience in precise, detail-oriented work as a metal fabricator and glass technician, which has honed my ability to follow complex instructions, maintain high quality standards, and manage specialized projects from start to finish. My background involves creating, altering, and inspecting custom components to exact specifications, ensuring accuracy and consistency at every stage—skills directly applicable to data labeling and annotation tasks. I am comfortable working with a variety of tools and materials, and have managed quality control and project delivery for high-profile clients, demonstrating my commitment to reliability and thoroughness. My experience managing both individual tasks and broader project workflows makes me well-suited for roles in AI training data preparation, where attention to detail and quality assurance are critical.

IntermediateEnglishSpanish

Labeling Experience

LLM Output Evaluation & Human Feedback (RLHF)

Internal Proprietary ToolingTextQuestion AnsweringText Summarization
Performed human-in-the-loop evaluation and feedback tasks to improve large language model performance and alignment. Responsibilities included reviewing and comparing multiple model-generated responses, ranking outputs based on accuracy, relevance, reasoning quality, and instruction-following, and providing structured qualitative feedback. Tasks required close adherence to detailed project guidelines, consistent judgment across edge cases, and careful fact-checking. Emphasis was placed on reasoning clarity, real-world correctness, and quality assurance. Work includes some voice over and audio submissions.

Performed human-in-the-loop evaluation and feedback tasks to improve large language model performance and alignment. Responsibilities included reviewing and comparing multiple model-generated responses, ranking outputs based on accuracy, relevance, reasoning quality, and instruction-following, and providing structured qualitative feedback. Tasks required close adherence to detailed project guidelines, consistent judgment across edge cases, and careful fact-checking. Emphasis was placed on reasoning clarity, real-world correctness, and quality assurance. Work includes some voice over and audio submissions.

2025

Education

N

New York State

General Educational Development Certificate, General Educational Development

General Educational Development Certificate
1999 - 1999

Work History

I

Independent / Self-Employed

Independent Day Trader & Market Analyst

Jersey City
2020 - Present
K

KGBL

Metal Fabricator

Brooklyn
2017 - Present