Usman Adeyemi

Key Skills

Software

Scale AI

Appen

Top Subject Matter

Artificial Intelligence

Natural Language Processing

Data Entry

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 language model performance. My work focused on sentiment analysis, entity recognition, and prompt response scoring for large-scale language models. I consistently delivered results with 99.2% accuracy and played an active role in improving model reliability for major tech clients. • Labeled large volumes of text data to train AI models and reduce error rates by 35%. • Performed sentiment analysis and entity recognition for high-stakes commercial applications. • Scored AI-generated outputs for relevance, correctness, and clarity. • Collaborated with global annotation teams to refine training guidelines and mentor new annotators.

As an AI Data Trainer & Quality Analyst at Scale AI, I labeled and evaluated over 2,500 data points daily to enhance language model performance. My work focused on sentiment analysis, entity recognition, and prompt response scoring for large-scale language models. I consistently delivered results with 99.2% accuracy and played an active role in improving model reliability for major tech clients. • Labeled large volumes of text data to train AI models and reduce error rates by 35%. • Performed sentiment analysis and entity recognition for high-stakes commercial applications. • Scored AI-generated outputs for relevance, correctness, and clarity. • Collaborated with global annotation teams to refine training guidelines and mentor new annotators.

2023 - Present

Data Entry & Processing Specialist

AppenTextTranscription

As a Data Entry & Processing Specialist at Amazon Mechanical Turk and Appen, I participated in high-volume transcription and categorization projects. My primary tasks included accurately transcribing and categorizing text data while ensuring 100% quality audit pass rates. I followed strict privacy protocols while handling sensitive customer and product information. • Completed transcription projects 40% faster than team average, increasing throughput. • Verified and corrected data entry discrepancies, ensuring data integrity. • Managed and entered more than 1,200 records per shift using proprietary tools. • Worked with sensitive and confidential text data, always following NDA and privacy standards.

As a Data Entry & Processing Specialist at Amazon Mechanical Turk and Appen, I participated in high-volume transcription and categorization projects. My primary tasks included accurately transcribing and categorizing text data while ensuring 100% quality audit pass rates. I followed strict privacy protocols while handling sensitive customer and product information. • Completed transcription projects 40% faster than team average, increasing throughput. • Verified and corrected data entry discrepancies, ensuring data integrity. • Managed and entered more than 1,200 records per shift using proprietary tools. • Worked with sensitive and confidential text data, always following NDA and privacy standards.

2019 - 2021

Education

Work History