Bolaji O.

Key Skills

Software

Appen

Other

Data Annotation Tech

LightTag

Top Subject Matter

LLM evaluation

search relevance

prompt engineering

Top Data Types

Text

Image

Document

Top Task Types

Text Generation

Question Answering

Object Detection

Fine-tuning

Evaluation/Rating

Freelancer Overview

AI Data Trainer & Content Specialist (LLM data labeling, evaluation, and response auditing) at CrowdGen (Formerly Appen). Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen and Other. Education includes Bachelor's Degree, University of Benin (2024). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Text Generation.

Labeling Experience

AI Data Trainer & Content Specialist (LLM data labeling, evaluation, and response auditing) at CrowdGen (Formerly Appen)

AppenText

Reviewed and annotated large-scale query-response training datasets to support LLM evaluation and search relevance improvements. Performed quality assurance by scoring and correcting model outputs to maintain accuracy above 95% across multiple projects. Worked with prompt testing and semantic analysis workflows to ensure responses met guideline requirements. • Evaluated 15,000+ complex search query-response pairs and training data points • Tested prompts, audited AI responses, and corrected inaccurate or low-quality outputs • Conducted search relevance evaluation, fact-checking, and semantic analysis • Followed and applied dense project guidelines quickly to pass qualification testing

2023 - Present

Freelance SEO Copywriter & Content Writer (AI-assisted text production)

OtherTextText Generation

Created AI-assisted marketing and content outputs while optimizing readability and engagement, using structured writing workflows. Applied SEO and direct-response principles to improve click-through rates and maintain consistent tone and brand voice. While this role was primarily content writing, it included using AI tools in a supervised production process for generated text. • Wrote and edited large volumes of SEO content (blogs and landing pages) • Used AI tools alongside human review to produce content faster • Improved content clarity and effectiveness by rewriting underperforming copy • Conducted keyword, SERP, and competitor research to guide output quality

2021 - Present

Education

Work History