Dennis Technology LogoDENNIS TECHNOLOGY

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