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Toluwanimi Leigh

Toluwanimi Leigh

AI Engineer

NIGERIA flag
Ibadan, Nigeria
$40.00/hrIntermediateOtherGoogle Cloud Vertex AIInternal Proprietary Tooling

Key Skills

Software

Other
Google Cloud Vertex AIGoogle Cloud Vertex AI
Internal/Proprietary Tooling
iMeritiMerit
MercorMercor
Micro1

Top Subject Matter

Customer Feedback/Product Improvement
Business/Customer Feedback

Top Data Types

TextText
DocumentDocument
Computer Code ProgrammingComputer Code Programming

Top Task Types

Prompt Response Writing SFT
Text Summarization
Classification
Question Answering
Text Generation
Fine Tuning
Computer Programming Coding
Evaluation Rating
Data Collection
Segmentation

Freelancer Overview

I possess extensive experience in gathering, structuring, and processing massive datasets specifically for AI and machine learning applications. Working as an AI Data Analyst for Beats by Dre and a Business Data Analyst for HNG Tech, i implemented web scraping techniques to gather vast amounts of unstructured data, which included managing and analyzing datasets containing over 3 million rows I also have hands-on experience bridging the gap between raw, unstructured data and AI model application. At both HNG Tech and Beats by Dre, i actively guided and configured Large Language Models (LLMs) using prompt engineering to extract actionable insights directly from unstructured datasets

IntermediateEnglish

Labeling Experience

Business Data Analyst – HNG Tech

OtherTextPrompt Response Writing SFT
This experience involved configuring Large Language Models using prompt engineering to extract insights from unstructured text data. The primary task was guiding LLMs to efficiently analyze and structure raw textual information for downstream business analysis. Sentiment analysis and understanding customer feedback were central deliverables. • Configured LLMs using advanced prompts for sophisticated text parsing. • Conducted extensive work refining prompt styles for accurate model outputs. • Incorporated domain-specific knowledge into annotation workflows. • Ensured consistent labeling quality and reviewed AI-generated data.

This experience involved configuring Large Language Models using prompt engineering to extract insights from unstructured text data. The primary task was guiding LLMs to efficiently analyze and structure raw textual information for downstream business analysis. Sentiment analysis and understanding customer feedback were central deliverables. • Configured LLMs using advanced prompts for sophisticated text parsing. • Conducted extensive work refining prompt styles for accurate model outputs. • Incorporated domain-specific knowledge into annotation workflows. • Ensured consistent labeling quality and reviewed AI-generated data.

2025 - 2025

AI Data Analyst – Beats by Dre

OtherTextPrompt Response Writing SFT
Guided and configured Large Language Models through prompt engineering to extract actionable insights from unstructured datasets. Tasks included conducting and refining sentiment analysis with model feedback loops and identifying key themes in customer comments. Text annotation and prompt optimization were primary focuses of the work. • Developed and tuned prompts for model-driven text extraction. • Analyzed AI-generated outputs for alignment with labeling standards. • Applied sentiment models and adjusted labeling criteria as needed. • Collaborated across teams to ensure annotation accuracy.

Guided and configured Large Language Models through prompt engineering to extract actionable insights from unstructured datasets. Tasks included conducting and refining sentiment analysis with model feedback loops and identifying key themes in customer comments. Text annotation and prompt optimization were primary focuses of the work. • Developed and tuned prompts for model-driven text extraction. • Analyzed AI-generated outputs for alignment with labeling standards. • Applied sentiment models and adjusted labeling criteria as needed. • Collaborated across teams to ensure annotation accuracy.

2024 - 2024

Education

L

LearnwithWIDA

Business Data Analyst (

Business Data Analyst (
2025 - 2025
D

Data Research Analyst (

SmartBizCruz

SmartBizCruz
2023 - 2024

Work History

U

Upwork

AI Automation Engineer

Lagos
2025 - Present
C

Cognifyz Technologies

Business Analyst

Lagos
2025 - 2025