Nelson O.

Key Skills

Software

Mighty AI

Micro1

Roboflow

OneForma

Top Subject Matter

AI training data labeling and prompt evaluation

Speech recognition dataset creation and audio labeling support

Dataset quality control and record verification for digital/online projects

Top Data Types

Text

Audio

Image

Top Task Types

Audio Recording

Classification

Freelancer Overview

Freelance AI Data Contributor (Prompt evaluation & text labeling). Core strengths include N, A, and Microsoft Office. Education includes Bachelor of Science, N/A (2017). AI-training focus includes data types such as Text and Audio and labeling workflows including Evaluation, Rating, and Audio Recording.

Labeling Experience

Data Entry & Digital Processing Specialist (Dataset QA support)

TextClassification

Data entry and digital processing activities supporting dataset review and quality control for online projects. The role involved verifying and cleaning datasets to ensure accuracy and consistency across records. Emphasis was placed on maintaining attention to detail and precision for large data volumes. • Managed large volumes of data entry and verification • Reviewed and cleaned datasets for accuracy and consistency • Used Microsoft Office and Google Workspace for processing and organization • Performed quality control checks on digital records.

2018 - Present

Freelance AI Data Contributor (Voice/audio data collection)

AudioAudio Recording

Freelance AI data contributor producing high-quality voice recordings and collecting audio data for speech recognition model training. The work required clear English pronunciation and careful adherence to audio collection standards. Accuracy and guideline compliance were emphasized to support reliable downstream model performance. • Recorded voice/audio data for speech recognition datasets • Ensured clear English pronunciation during recordings • Collected audio data according to project specifications • Maintained 95%+ accuracy while following complex guidelines.

2018 - Present

Freelance AI Data Contributor (Prompt evaluation & text labeling)

Text

Freelance AI data contributor performing prompt evaluation and response rating for multiple AI training projects. Responsibilities included reviewing outputs against guidelines and maintaining high accuracy while meeting delivery timelines. Work also involved consistent quality control across varying project requirements. • Conducted prompt evaluation and response rating • Followed complex project guidelines to ensure labeling quality • Delivered tasks accurately and on time across multiple AI platforms • Maintained consistently high accuracy rates (95%+).

2018 - Present

Education

Work History