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Zigsaw

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Senior QA Engineer

QA EngineerQA EngineerOtherRemoteSeniorTeam 11-50Since 2016H1B No SponsorCompany SiteLinkedIn

Location

California

Posted

107 days ago

Salary

$109.2K - $224.9K / year

Seniority

Senior

Bachelor DegreeEnglishCypressJavaScriptReactTypeScript

Job Description

Senior QA Engineer

Zigsaw

• Own and drive quality for web platform features, spanning UI, APIs, and backend services • Design and execute manual test cases and exploratory testing for complex web and API workflows • Conduct thorough regression testing when bugs are resolved. • Build and maintain automated test suites for: • Validate frontend–backend integration, data consistency, and error handling • Perform API contract testing, schema validation, and negative/edge-case testing • Collaborate with engineers during design, implementation, and code reviews to improve testability and catch issues early • Integrate automated tests into CI/CD pipelines to provide fast, reliable feedback • Analyze test failures, investigate root causes, and drive issues to resolution • Advocate for quality best practices, including shift-left testing, risk-based testing, and automation strategy • Identify, document, and track software defects using bug tracking tools like Jira.

Job Requirements

  • Experience in QA / Quality Engineering, with a strong focus on web platforms and APIs
  • Proven hands-on experience with manual testing of complex, consumer-facing web applications
  • Strong experience building and maintaining API tests using tools such as Postman, REST-assured, Supertest, or similar
  • Hands-on experience with web automation frameworks (Playwright, Cypress)
  • Solid understanding of HTTP, REST and API design principles
  • Proficiency in at least one programming or scripting language (JavaScript, TypeScript)
  • Experience working in Agile/Scrum environments
  • Strong debugging, analytical, and communication skills
  • Strategic partnership with stakeholders / Cross-functional collaboration that is high-trust and high-velocity
  • Nice-to-Haves:
  • Experience testing large-scale, high-traffic web platforms
  • Familiarity with React or modern frontend frameworks
  • Experience with performance, load, or reliability testing for APIs and web applications
  • Exposure to feature flags, experimentation platforms, or observability tools

Benefits

  • Health insurance
  • 401(k) matching
  • Flexible work hours
  • Paid time off
  • Remote work options

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