Linda O.

Key Skills

Software

Scale AI

Appen

Top Subject Matter

LLM training data annotation and quality evaluation

Crowdsourced transcription

Categorization Domain Expertise

Top Data Types

Text

Image

Document

Top Task Types

Data Collection

Freelancer Overview

AI Data Trainer & Quality Analyst, Scale AI (Remote). 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, Muranga University (2018) and High School Diploma, Asumbi High School (2014). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Data Collection. Used Label box.

Labeling Experience

AI Data Trainer & Quality Analyst, Scale AI (Remote)

Scale AIText

Trained and evaluated large language models by labeling thousands of text data points daily to improve model performance for major tech clients. Conducted sentiment analysis and entity recognition, and scored prompt responses to reduce model errors. Consistently maintained top-quality output and participated in guideline refinement with remote teammates. • Labeled 2,500+ data points per day with 99.2% accuracy. • Performed sentiment analysis and entity recognition. • Scored prompt responses and supported reduced error rates by 35%. • Ranked in top 5% of annotators and received “Star Performer” awards.

2023 - Present

Data Entry & Processing Specialist, Amazon Mechanical Turk / Appen (Remote Contract)

AppenTextData Collection

Performed high-volume data entry and verification work on crowdsourcing platforms, supporting dataset preparation for client needs. Completed transcription and categorization tasks with consistently high quality audit outcomes. Focused on accuracy and privacy compliance for sensitive information. • Entered and verified 1,200+ records per shift with 100% quality audit pass rate. • Completed transcription and categorization projects faster than the team average. • Identified and corrected data discrepancies to reduce client rework. • Handled sensitive information under NDA and privacy protocols.

2019 - 2021

Education

Work History