John W.

Key Skills

Software

Toloka

Top Subject Matter

General AI/Language Models

Natural Language Processing

Top Data Types

Text

Image

Top Task Types

Object Detection

Text Generation

Freelancer Overview

AI Trainer / Data Annotator. Core strengths include Toloka. Education includes Bachelor of Arts, American University of Nigeria (2025). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

AI Content Training and Evaluation

TolokaText

I participated in AI content training and evaluation, focusing on the assessment and refinement of AI-generated text for clarity, tone, and coherence. This included rewriting and optimizing content to ensure human-like responses. My work directly improved the readability and accuracy of natural language output. • Conducted comprehensive grammar and language quality analysis on outputted text. • Collaborated in iterative feedback cycles to fine-tune model-generated answers. • Utilized annotation tools and spreadsheets to track and evaluate results. • Prioritized consistency and naturalness in final AI responses.

2022 - 2025

AI Trainer / Data Annotator

TolokaText

As an AI Trainer and Data Annotator at Toloka, I labeled and compared AI-generated responses to improve quality and relevance. My work included rating, annotating, and refining text to enhance model performance. I was responsible for ensuring detailed and accurate completion of repetitive labeling tasks. • Focused on text data labeling and response evaluation for AI systems. • Applied classification and rating techniques to optimize language model accuracy. • Leveraged Toloka’s platform tools for annotation and review duties. • Maintained high quality and consistency across repeated labeling cycles.

2022 - 2025

Education

Work History