Resume of Olusegun Dennis
Software Developer & QA Engineer
Tech Stack
Languages
JavaScriptTypeScriptHTMLCSSC#Python
Frameworks
Next.jsReactNode.jsAngular
Testing
JestReact Testing LibraryCypressSeleniumPostman
Styling
Tailwind CSSBoostrapSCSS
Databases
MongoDBFirebasePostgreSQL
Tools
GitGitHubVercelNetlifyJiraSwaggerFigmaPostman
Other
REST APIsSEO OptimizationTest AutomationCI/CD Testing
Experience
Founder
Dennis Technology
2023–Present
- • Built custom software for car rental, e-commerce, and real estate platforms
- • Developed full-stack applications using modern stacks
- • Integrated payment gateways, handled full deployment
- • Implemented comprehensive testing strategies using Jest, Cypress, and Postman.
Software Tester / QA Engineer Intern
Articipay
January 2025–Present
- • Tested and validated core features of Articipay's web application
- • Designed and executed manual and automated test cases
- • Collaborated with teams to enhance participant recruitment workflows
- • Verified secure payment and reward systems
- • Participated in user feedback reviews and QA cycles
- • Maintained detailed QA documentation
Software QA Engineer
Freelance
2019–Present
- • Led end-to-end testing of web and mobile applications
- • Developed and maintained automated test suites using Selenium and Cypress
- • Created detailed test plans and documentation
- • Collaborated with developers to improve code quality and testing practices
Car Rental Service Founder
Self-employed
2019–Present
- • Managed fleet operations and customer service
- • Gained business insight that now shapes software projects
Education & Certifications
Self-taught Software Developer
2021–Present
Ongoing training via online courses and hands-on projects
Bachelor’s Degree in Business Administration
ESEP Le Berger University, Benin Republic
2015–2019
Graduated with a degree in Business Administration.
ISTQB Certified Tester
2025
Foundation Level certification in software testing principles and methodologies
Achievements
- Built and deployed over 5 live projects
- Helped businesses go digital with scalable tools
- Implemented test automation frameworks that reduced testing time by 60%
- Led QA strategy for multiple successful product launches
- Contributed to improved user experience through systematic testing at Articipay