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Bolu W.

Bolu W.

AI Product Tester & Prompt Engineer (Beta Testing) — CoreStory AI (Remote)

Nigeria flagLagos, Nigeria

Key Skills

Software

LabelImgLabelImg
Other

Top Subject Matter

AI-powered tools (beta testing and LLM evaluation)
Web/API validation and QA evaluation
Software QA evaluation (including AI-adjacent testing practices)

Top Data Types

TextText
ImageImage
AudioAudio

Top Task Types

Data CollectionData Collection
Text GenerationText Generation
Object DetectionObject Detection
Question AnsweringQuestion Answering

Freelancer Overview

AI Product Tester & Prompt Engineer (Beta Testing) — CoreStory AI (Remote). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other, Postman, and Newman. Education includes Foundational Course Certificate, Coursera (Google) and Course Certificate, Udemy. AI-training focus includes data types such as Text, Computer Code, and Programming and labeling workflows including Evaluation, Rating, and Data Collection.

Labeling Experience

Quality Assurance Specialist — Wokka Technology, Abuja

TextText

Performed ongoing manual and exploratory testing to evaluate software behavior for quality and usability. Documented and tracked defects to resolution while executing regression and QA procedures for mobile applications and SaaS admin platforms. Supported cross-browser and cross-platform validation to ensure consistent user experience. • Conducted manual and exploratory testing for mobile and SaaS admin platforms • Developed and executed regression tests and QA procedures • Identified, documented, and tracked defects to resolution • Performed cross-browser and cross-platform responsiveness/usability checks

2024 - Present

QA Intern — HNG Internship, Nigeria

Data CollectionData Collection

Performed exploratory website and API testing to validate backend behaviors and response accuracy. Verified HTTP endpoints (GET/POST/PUT/PATCH/DELETE) and gathered results to help identify defects and reliability issues. Collaborated in QA activities analogous to systematic evaluation of system outputs. • Tested website flows via exploratory techniques • Validated REST API endpoints (GET/POST/PUT/PATCH/DELETE) • Checked response accuracy and correctness • Assisted in bug identification and improving reliability

2025 - 2025

AI Product Tester & Prompt Engineer (Beta Testing) — CoreStory AI (Remote)

OtherTextText

Conducted AI response evaluation and prompt-related QA work as part of AI product testing and validation for AI-powered tools. Assessed generated outputs for accuracy, consistency, and overall response quality to support model performance improvements. Provided structured feedback on usability issues and edge cases discovered during evaluation. • Evaluated AI-generated responses (accuracy, consistency, output quality) • Designed and refined prompts to improve AI model performance • Reported usability issues and edge cases to improve product quality • Supported beta testing cycles for AI-powered tools

2024

Education

H

HNG Internship

Internship Program Certificate, Manual and Automated Testing

Internship Program Certificate
2025 - 2025
U

Udemy

Course Certificate, Software Quality Assurance

Course Certificate
Not specified

Work History

W

Wokka Technology

Quality Assurance Specialist

Abuja
2024 - Present
C

CoreStory AI

AI Product Tester and Prompt Engineer

N/A
2025 - 2026