Zigsaw

Senior QA Engineer

Zigsaw

full-time

Posted on:

Location Type: Remote

Location: CaliforniaUnited States

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Salary

💰 $109,242 - $224,910 per year

Job Level

About the role

  • 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.

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
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
manual testingautomated testingAPI testingregression testingfrontend-backend integrationschema validationnegative testingweb automation frameworksprogramming languagesperformance testing
Soft Skills
analytical skillscommunication skillscollaborationdebuggingproblem-solvingadvocacy for qualitystakeholder partnershipcross-functional collaboration