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Senior Quality Assurance Engineer (JS)

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StartupSoft

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Location:
Ukraine

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

The world’s largest B2B recommerce platform that serves as a central system of record for resale. It connects buyers and sellers of returned, trade-in, and excess inventory through online channels, offering buyers direct access to valuable goods and providing sellers with a more efficient, technology-driven alternative to traditional resale methods.

Job Responsibility:

  • Design, develop, and maintain robust automation frameworks using JavaScript and TypeScript
  • Implement end-to-end, UI, and API automated tests
  • Define and execute test strategies for new and existing features
  • Integrate automated tests into CI/CD pipelines
  • Perform code reviews for test automation and enforce quality standards
  • Analyze, debug, and stabilize flaky tests
  • Collaborate with developers, product managers, and designers to ensure high-quality releases
  • Contribute to test planning, estimation, and risk assessment
  • Mentor junior and mid-level QA engineers
  • Continuously improve QA processes, tools, and methodologies

Requirements:

  • Hands-on experience combining manual and automated testing
  • JavaScript
  • TypeScript
  • Playwright, Cypress, WebdriverIO, or Selenium WebDriver
  • Jest, Mocha, Chai, or Vitest
  • REST API testing
  • GraphQL testing
  • Tools: Postman, Supertest, Axios / Fetch
  • End-to-End (E2E) testing
  • UI / Functional testing
  • Integration testing
  • Regression and smoke testing
  • GitHub Actions, GitLab CI/CD, Jenkins, or similar
  • Git (GitHub, GitLab, Bitbucket)
  • Allure Report or similar reporting tools
  • TestRail, Xray, Zephyr, Jira
  • SQL (PostgreSQL, MySQL)
  • Basic knowledge of NoSQL (MongoDB)
  • Node.js ecosystem (npm, yarn, pnpm)
  • Docker / Docker Compose
  • Faker, MSW, Nock, Sinon
  • Test data management strategies

Nice to have:

  • Experience with performance testing tools (k6, Artillery)
  • Experience with cloud platforms (AWS, Azure)
  • Cross-browser and cross-device testing (BrowserStack, LambdaTest)
  • Contract testing experience
  • Experience testing microservices architecture
What we offer:
  • Global collaboration opportunities
  • Core team membership
  • Equity and ownership potential
  • Premier workspaces
  • Competitive compensation package
  • Cutting-edge technology environment
  • Impactful project contributions
  • Collaborative company culture

Additional Information:

Job Posted:
May 03, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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