Udochukwu N.

Key Skills

Software

Other

Top Subject Matter

AI/Large Language Models/NLP

NLP/Data Annotation/AI Research

Legal Services & Contract Review

Top Data Types

Text

Document

Top Task Types

Fine-tuning

Data Collection

Freelancer Overview

LLM Data Trainer (Multiple Roles). Brings 12+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Arts, Ludwig Maximilian University of Munich (2009) and Master of Arts, University of California, Berkeley (2012). AI-training focus includes data types such as Text and labeling workflows including Fine-tuning and Data Collection.

Labeling Experience

LLM Data Trainer (Multiple Roles)

OtherTextFine-tuning

I collaborated with AI developers to train and fine-tune large language model (LLM) datasets for improved linguistic performance. My responsibilities focused on refining and curating text corpora for AI training, ensuring data quality and linguistic precision. I also supported LLM model evaluation and contributed annotated feedback for error reduction. • Ensured data privacy and consistency in AI training data. • Conducted linguistic reviews and dataset curation for LLMs. • Implemented QA frameworks for data annotation projects. • Provided subject matter expertise in multilingual content creation.

2012 - Present

Data Annotation Expert

OtherTextData Collection

As a Data Annotation Expert, I oversaw text data annotation projects supporting AI research and NLP product development. My work involved labeling, categorizing, and structuring language data for various AI applications. I validated annotations to maintain high quality and compliance with project requirements. • Supervised multilingual data annotation teams. • Applied linguistic QA standards to annotation work. • Ensured adherence to project guidelines and timelines. • Provided linguistic consultancy for AI product adaptation.

2016 - 2020

Education

Work History