Egbeola Lekan

Key Skills

Software

Other

Telus

Appen

Top Subject Matter

Natural Language Processing

Natural Language Processing and Computer Vision

Legal Services & Contract Review

Top Data Types

Text

Image

Document

Top Task Types

Prompt + Response Writing (SFT)

Classification

Freelancer Overview

AI Prompt Engineer & Data Annotator (Freelance), GIDEONTECH.CO. Brings 6+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Other, Telus, and Appen. Education includes Bachelor of Arts, University of Lagos (2019). AI-training focus includes data types such as Text and labeling workflows including Prompt + Response Writing (SFT), Evaluation, and Rating.

Labeling Experience

AI Prompt Engineer & Data Annotator (Freelance), GIDEONTECH.CO

OtherTextPrompt Response Writing SFT

Developed and optimized NLP prompts for tasks such as summarization, classification, and data extraction. Designed reusable prompt templates to enhance workflow efficiency for LLM-related projects. Conducted quality analysis and fact-checking of AI-generated outputs for improved model accuracy. • Improved LLM accuracy by 15% through 500+ optimized prompts • Reduced prompt creation time by 35% via template library • Led fact-checking to identify errors, biases, and hallucinations • Utilized platforms including ChatGPT, Claude, Jasper, and Google Bard

Developed and optimized NLP prompts for tasks such as summarization, classification, and data extraction. Designed reusable prompt templates to enhance workflow efficiency for LLM-related projects. Conducted quality analysis and fact-checking of AI-generated outputs for improved model accuracy. • Improved LLM accuracy by 15% through 500+ optimized prompts • Reduced prompt creation time by 35% via template library • Led fact-checking to identify errors, biases, and hallucinations • Utilized platforms including ChatGPT, Claude, Jasper, and Google Bard

2025 - 2026

Data Annotator & AI Content Reviewer, TELUS International

TelusText

Reviewed and tagged NLP outputs for classification and sentiment analysis within quality assurance workflows. Identified and flagged biased or hallucinated outputs to enhance dataset quality and compliance. Provided structured feedback for refining model evaluation protocols. • Reviewed over 10,000 NLP outputs • Flagged 1,200+ biased or hallucinated results • Delivered direct feedback impacting model scoring • Employed Telus annotation platform and internal tools

Reviewed and tagged NLP outputs for classification and sentiment analysis within quality assurance workflows. Identified and flagged biased or hallucinated outputs to enhance dataset quality and compliance. Provided structured feedback for refining model evaluation protocols. • Reviewed over 10,000 NLP outputs • Flagged 1,200+ biased or hallucinated results • Delivered direct feedback impacting model scoring • Employed Telus annotation platform and internal tools

2024 - 2025

AI Data Contributor, Appen / Crowdgen

AppenTextClassification

Labeled and verified diverse text, audio, and image samples for NLP and computer vision projects. Participated in prompt tuning for LLM training to improve annotation accuracy. Consistently met quality and throughput benchmarks in a dynamic project environment. • Labeled over 20,000 data samples including text, audio, and images • Reduced annotation errors by 17% through prompt tuning exercises • Achieved and exceeded project quality targets • Used Appen and Crowdgen platforms for annotation and review

Labeled and verified diverse text, audio, and image samples for NLP and computer vision projects. Participated in prompt tuning for LLM training to improve annotation accuracy. Consistently met quality and throughput benchmarks in a dynamic project environment. • Labeled over 20,000 data samples including text, audio, and images • Reduced annotation errors by 17% through prompt tuning exercises • Achieved and exceeded project quality targets • Used Appen and Crowdgen platforms for annotation and review

2022 - 2023

Education

Work History