Senior QA Engineer

Compunnel

• $100K — $130K *
New York, NY 10025In-Person
Information Technology
Less than 5 years of experience
Today
Be an Early Applicant
Job Overview by Ladders

Qualifications

  • 5+ years of experience testing React.js applications.
  • Strong understanding of React Components, Hooks, and State Management.
  • Hands-on experience with Selenium or Playwright for automation testing.
  • Familiarity with REST API testing tools like Postman or Swagger.
  • Experience with CI/CD tools such as Jenkins or Azure DevOps.
  • Proficient in Agile methodologies and test planning.
  • Strong analytical skills and effective communication capabilities.

Responsibilities

  • Design and execute comprehensive test cases for React.js applications.
  • Conduct various types of testing: Functional, Integration, and UAT.
  • Validate APIs and microservices, ensuring seamless performance.
  • Develop and maintain test automation frameworks.
  • Integrate automated tests into CI/CD workflows for efficiency.
  • Track defects and analyze their root causes for quality improvement.
  • Contribute to Agile ceremonies, aiding in release preparedness.

Benefits

  • Opportunity to work on cutting-edge web applications using React.js.
  • Collaborative environment with cross-functional teams.
  • Involvement in all phases of the software development lifecycle.
  • Focus on improving software quality through robust testing practices.
  • Potential exposure to evolving technologies like microservices and cloud platforms.
Full Job Description
JOB SUMMARY
Seeking a Senior QA Engineer with strong experience testing React.js web applications. The candidate should be skilled in functional, integration, API, and automation testing, ensuring high-quality, scalable, and responsive applications. This role requires close collaboration with Product Owners, Business Analysts, Developers, and DevOps teams throughout the SDLC.

Key Responsibilities
• Design and execute test cases for React.js applications.
• Perform Functional, Integration, E2E, Regression, Smoke, and UAT testing.
• Validate REST APIs and microservices using Postman, Swagger, or REST Assured.
• Develop and maintain automation frameworks using Selenium, Playwright, or Cypress.
• Integrate automated tests into CI/CD pipelines.
• Track defects, analyze root causes, and provide quality metrics.
• Participate in Agile ceremonies and support release readiness activities.

Required Qualifications
• Strong experience testing React.js applications.
• Understanding of React Components, Hooks, Routing, State Management, and Redux/Context API.
• Hands-on experience with Selenium, Playwright/Cypress, JavaScript/TypeScript, API Testing, and SQL.
• Experience validating responsive UI, cross-browser compatibility, accessibility, and client-side validations.
• Familiarity with CI/CD tools such as Jenkins, GitHub Actions, or Azure DevOps.
• Experience with Agile/Scrum, Test Planning, Defect Management, and Test Reporting.
• Strong analytical and problem-solving abilities.
• Excellent communication and stakeholder management skills.
• Self-driven, collaborative, and quality-focused mindset.

Preferred Qualifications
• React Testing Library, Jest.
• Solid understanding of React concepts, including Components, Props, State Management, Hooks, Routing, Redux and Context API.
• Hands-on experience validating: Responsive UI behavior, Cross-browser compatibility, Accessibility standards (WCAG), Client-side validations.
• Experience with Microservices architecture testing.
• AWS, Azure, or GCP exposure.
• Performance testing with JMeter.
• Docker and Kubernetes knowledge.
• Experience in Insurance, FinTech, Healthcare, or Enterprise Applications.

Certifications
None specified.
* Ladders Estimates

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