Chinyere Uzoahia

Key Skills

Software

Scale AI

Appen

Top Subject Matter

Large Language Model (LLM) training and evaluation

Transcription and data categorization for diverse businesses

Legal Services & Contract Review

Top Data Types

Text

Image

Document

Top Task Types

Transcription

Freelancer Overview

AI Data Trainer & Quality Analyst. Brings 5+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Scale AI and Appen. Education includes Bachelor of Arts, Arizona State University (2018) and High School Diploma, Central High School (2014). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Transcription.

Labeling Experience

AI Data Trainer & Quality Analyst

Scale AIText

As an AI Data Trainer & Quality Analyst at Scale AI, I labeled and evaluated over 2,500 data points daily to enhance large language models. My work included sentiment analysis, entity recognition, and prompt response scoring for major technology clients. I consistently maintained 99.2% accuracy and ranked in the top 5% of annotators company-wide. • Labeled and evaluated large volumes of text data each day with significant accuracy. • Performed advanced tasks such as sentiment analysis and named entity recognition. • Contributed to reducing model error rates by 35% through high-quality annotations. • Collaborated globally to refine annotation guidelines and onboard team members.

As an AI Data Trainer & Quality Analyst at Scale AI, I labeled and evaluated over 2,500 data points daily to enhance large language models. My work included sentiment analysis, entity recognition, and prompt response scoring for major technology clients. I consistently maintained 99.2% accuracy and ranked in the top 5% of annotators company-wide. • Labeled and evaluated large volumes of text data each day with significant accuracy. • Performed advanced tasks such as sentiment analysis and named entity recognition. • Contributed to reducing model error rates by 35% through high-quality annotations. • Collaborated globally to refine annotation guidelines and onboard team members.

2023 - Present

Data Entry & Processing Specialist

AppenTextTranscription

As a Data Entry & Processing Specialist working with Amazon Mechanical Turk and Appen, I completed high-volume transcription and categorization projects. My responsibilities included accurately entering and verifying over 1,200 records per shift. I ensured all work met 100% quality standards and deadlines for various clients. • Completed transcription and data categorization projects faster than the team average. • Entered and verified sensitive information into spreadsheets and proprietary systems. • Maintained client NDA and privacy adherence throughout all labeling tasks. • Contributed to significant reductions in data rework and discrepancies.

As a Data Entry & Processing Specialist working with Amazon Mechanical Turk and Appen, I completed high-volume transcription and categorization projects. My responsibilities included accurately entering and verifying over 1,200 records per shift. I ensured all work met 100% quality standards and deadlines for various clients. • Completed transcription and data categorization projects faster than the team average. • Entered and verified sensitive information into spreadsheets and proprietary systems. • Maintained client NDA and privacy adherence throughout all labeling tasks. • Contributed to significant reductions in data rework and discrepancies.

2019 - 2021

Education

Work History