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Senior SDET

Job in San Francisco, San Francisco County, California, 94199, USA
Listing for: Jobtailor
Full Time position
Listed on 2026-07-13
Job specializations:
  • Software Development
    Software Testing, AI QA / Validation Engineer
Salary/Wage Range or Industry Benchmark: 110000 - 150000 USD Yearly USD 110000.00 150000.00 YEAR
Job Description & How to Apply Below

Responsibilities

  • 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
  • Bachelor’s degree in computer science, engineering, a related field or equivalent experience
  • 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, Type Script)
  • 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
  • Demonstrated ability to use AI to improve speed and quality in your day‑to‑day workflow for relevant outputs
  • Strong track record of critical evaluation and verification of AI‑assisted work (e.g., testing, source‑checking, data validation, peer review)
  • High integrity and ownership: you protect sensitive data, avoid over‑reliance on AI, and remain accountable for final decisions and deliverables
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
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Position Requirements
10+ Years work experience
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