Alex W.

Key Skills

Software

Other

Top Subject Matter

AI model training data annotation for alignment

Factuality Domain Expertise

and safety

Top Data Types

Image

Text

Document

Top Task Types

Segmentation

Point/Key Point

Classification

Question Answering

Object Detection

Transcription

Freelancer Overview

AI Data Specialist / Data Annotator (Freelance / Contractor). Core strengths include Other. Education includes Bachelor of Science, University of Nairobi (2022). AI-training focus includes data types such as Image and Text and labeling workflows including Evaluation, Rating, and Translation.

Labeling Experience

AI Data Specialist / Data Annotator (Freelance / Contractor)

OtherImage

Managed high-volume, multi-batch image and text datasets for advanced AI model training. Interpreted and applied complex multi-page training guidelines to ensure compliance with strict factual accuracy, safety, and alignment standards. Performed detailed evaluations of machine-generated outputs to identify contextual, grammatical, and logical inconsistencies. • Processed batches of 100+ high-resolution visual training assets for ingestion pipelines • Checked edge cases and complex guideline adherence across batches • Troubleshot platform onboarding and secure data compliance processes • Cataloged and queried large image/document repositories to support training workflows

2026 - Present

Data Verification & Content Analyst (Independent Contractor)

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Evaluated localized digital materials and interactive verification prompts for cross-lingual accuracy and structural integrity. Conducted market-specific digital asset research and open-source verification to ensure brand compliance and correct information mapping. Maintained consistent personal workflow pipelines while meeting or exceeding weekly throughput and quality score KPIs. • Assessed reCAPTCHA-like verification prompts for localized accuracy • Validated structural integrity and cross-lingual consistency of text/content • Documented formatting errors and platform bugs for engineering feedback loops • Performed digital asset research and verification for accurate brand-aligned mapping

2024 - 2025

Education

Work History