Nelson A.

Key Skills

Software

Appen

Other

Top Subject Matter

Remote data entry

Transcription Domain Expertise

and record categorization for client datasets.

Top Data Types

Text

Image

Document

Top Task Types

Transcription

Classification

Data Collection

Freelancer Overview

AI Data Trainer & Quality Analyst, Uber AI (Remote). Brings 6+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal, Proprietary Tooling, and Appen. Education includes Bachelor of Arts, University of Toronto (2018) and High School Diploma, North Toronto Collegiate Institute (2014). AI-training focus includes data types such as Text and Document and labeling workflows including Evaluation, Rating, and Transcription.

Labeling Experience

AI Data Trainer & Quality Analyst

Text

Trained and evaluated large language models by labeling 2,500+ data points daily with 99.2% accuracy, improving model performance for major tech clients. Performed sentiment analysis, entity recognition, and prompt response scoring to reduce error rates by 35%. Followed and refined training guidelines while collaborating with global teams to ensure consistent labeling quality. • Labeled 2,500+ LLM-related data points per day to support model training. • Conducted sentiment analysis and entity recognition tasks for data enrichment. • Scored prompt-response quality and performed evaluation to guide improvements. • Collaborated via Slack and Zoom to refine guidelines and onboard annotators.

2024 - 2026

Senior Customer Service Representative (Remote) - Crowdgen

OtherTextData Collection

Provided customer support in a remote environment with daily handling of customer inquiries via phone, chat, and email. While primarily customer service, the role required structured data collection and issue resolution by capturing and tracking technical and billing details accurately. Achieved strong satisfaction metrics while maintaining rapid resolution timelines. • Resolved technical and billing issues while managing structured case details. • Delivered support to 80–100 customers daily using communication channels. • Captured and tracked request information to support troubleshooting workflows. • Achieved high customer satisfaction (97%) and strong average rating (4.9/5).

2022 - 2023

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

AppenDocumentTranscription

Performed high-volume transcription and categorization work by entering and verifying 1,200+ records per shift across spreadsheets and proprietary platforms. Ensured a 100% quality audit pass rate while handling sensitive customer and product information under strict NDA and privacy protocols. Worked efficiently on remote assignments to deliver accurate, client-ready datasets. • Transcribed and categorized content in bulk for data processing projects. • Validated and corrected discrepancies to improve dataset reliability. • Maintained compliance with confidentiality and privacy requirements. • Accelerated processing speed, completing tasks 40% faster than the team average.

2019 - 2021

Virtual Assistant & Administrative Support (Freelance / Boldly Virtual Assistants)

OtherTextClassificationData Collection

Supported executive operations with administrative workflows that included maintaining client databases and organizing structured records for streamlined follow-up. While not a primary labeling role, the work involved careful data organization and content scheduling to support consistent information management. Delivered error-free scheduling coordination and maintained high reliability in a fully remote environment. • Maintained client databases and updated structured contact information. • Organized social media content calendars and expense reporting records. • Handled 150+ weekly email messages with zero scheduling conflicts. • Produced presentation materials used in client pitches using Canva.

2018 - 2019

Education

Work History