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Christian DavidCD
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Christian David

@christiandavid

QA Engineer at QualiFi building a SaaS release-verification system with Playwright, Python, and CI-based checks.

Nigeria
Message

At QualiFi, I’m building a QA-focused service and portfolio for startups, with practical testing, automation, release confidence, and clear QA documentation. I’m also developing repeatable workflows for critical user journeys and CI-based verification.

As an Independent QA Tester at uTest, I performed manual, functional, and exploratory testing across web and mobile applications. I reported reproducible defects with steps, expected and actual results, and supporting evidence.

For VoiceGuard at the Dev3Pack Global Hackathon, I defined the QA workflow for a voice-first transaction safety assistant. I created scenarios for voice capture and transaction-confirmation flows and coordinated defect tracking with the team.

I’m building a SaaS release-verification system using Playwright, Python, API checks, and CI/CD. My engineering studies at Federal University of Technology, Minna have given me exposure to quality control, process analysis, and failure analysis.

Experience

Work history, roles, and key accomplishments

uTest logoUT
Current

Independent QA Tester

uTest

Jan 2026 - Present (10 months)

Performed manual, functional, and exploratory testing across web and mobile applications, executing scenarios around core user flows, validation rules, edge cases, and unexpected behaviour. Reported reproducible defects with environment details, steps, expected versus actual results, severity, priority, and evidence.

VO

QA Lead

VoiceGuard

Jan 2026 - Dec 2026 (11 months)

Defined the QA workflow for a voice-first transaction safety assistant under a short delivery timeline, created test scenarios for voice capture and transaction-confirmation flows, and coordinated defect tracking with the team.

Workflow QA
Test Scenario Creation
Defect Tracking
Voice Testing
Critical Path Testing

Education

Degrees, certifications, and relevant coursework

Federal University of Technology, Minna logoFM

Federal University of Technology, Minna

B.Eng., Materials and Metallurgical Engineering

2024 -

Pursuing a B.Eng. in Materials and Metallurgical Engineering with expected graduation in 2027. Coursework provides a systems-oriented engineering background with exposure to quality control, process analysis, failure analysis, and technical documentation.

SC

ShiftSync Community

AI Test Engineering, AI Test Engineering

2026 - 2026

Completed AI Test Engineering training from ShiftSync Community in 2026.

AA

Anthropic Academy

AI Fluency Certificate, AI Fluency

Completed the AI Fluency Certificate from Anthropic Academy.

Google logoGO

Google

Google Technical Writing Course, Technical Writing

2026 - 2026

Completed the Google Technical Writing Course in 2026.

AG

AWS Student Builder Group

Member, Cloud Computing

Member of the AWS Student Builder Group.

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