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Esther Oyelalu

Esther Oyelalu

Frontend Web Developer - Software Testing & AI Evaluation

NIGERIA flag
Ibadan, Nigeria
$12.00/hrIntermediateAppenLabelboxProdigy

Key Skills

Software

AppenAppen
LabelboxLabelbox
ProdigyProdigy
Scale AIScale AI

Top Subject Matter

No subject matter listed

Top Data Types

TextText

Top Label Types

Classification
Text Generation
Text Summarization

Freelancer Overview

I am an experienced AI data evaluator and trainer with a strong background in data annotation, prompt testing, and AI response validation. My work involves reviewing and labeling diverse datasets, ensuring accuracy, identifying bias, and following detailed instructions to maintain high-quality training data for AI models. I am skilled in manual software testing, test case creation, and usability analysis, which helps me effectively validate AI outputs and support model improvement. With a keen eye for detail and a commitment to quality control, I have contributed to projects that require precise data labeling and annotation, particularly in NLP and user experience domains. My strong command of English, technical writing expertise, and ability to collaborate remotely make me a valuable asset for any AI training data initiative.

IntermediateEnglish

Labeling Experience

Labelbox

LLM Response Generation and Quality Review

LabelboxTextClassificationText Generation
Worked on evaluating and refining AI-generated responses to improve clarity, accuracy, and instruction adherence. Reviewed model outputs against structured guidelines, identified inconsistencies and factual errors, and ensured responses met quality standards. Contributed to improving generated text performance for training and benchmarking purposes. Labeled responses based on predefined quality metrics, identified factual errors and inconsistencies, categorized outputs by correctness level, and provided structured feedback to support model fine-tuning and benchmarking. Maintained high consistency across large task volumes by carefully following evolving annotation guidelines. Contributed to improving dataset reliability and overall model evaluation quality.

Worked on evaluating and refining AI-generated responses to improve clarity, accuracy, and instruction adherence. Reviewed model outputs against structured guidelines, identified inconsistencies and factual errors, and ensured responses met quality standards. Contributed to improving generated text performance for training and benchmarking purposes. Labeled responses based on predefined quality metrics, identified factual errors and inconsistencies, categorized outputs by correctness level, and provided structured feedback to support model fine-tuning and benchmarking. Maintained high consistency across large task volumes by carefully following evolving annotation guidelines. Contributed to improving dataset reliability and overall model evaluation quality.

2024

Education

O

Olabisi Onabanjo University

Bachelor of Laws, Law

Bachelor of Laws
2016 - 2021

Work History

F

Freelance

Frontend Web Developer

Ibadan
2023 - Present
F

Freelance

Content & Technical Writer

Ibadan
2023 - Present