QA Automation Engineer – Web3 (Europe)

Company: Braintrust
Apply for the QA Automation Engineer – Web3 (Europe)
Location:
Job Description:

  • 3–5 years in QA/quality engineering, hands-on with both manual/functional and automated testing
  • Solid test-case design, execution, and regression testing discipline (able to own recurring daily/regression sweeps)
  • Working knowledge of core Web3 flows: wallet connections (MetaMask, Trust Wallet, WalletConnect), transaction signing, and on‑chain vs off‑chain behavior. Need to have smart contract + wallet testing experience
  • Experience testing third‑party/exchange (CEX) integrations end to end (e.g. Coinbase‑style connect flows)
  • Comfortable setting up and managing test accounts, credentials, and environments
  • Clear, reproducible bug reporting and tracking in Linear (or Jira), with crisp repro steps and evidence
  • Strong written English and ability to collaborate across US/Europe/India

Must-haves

  • 3–5 years in QA/quality engineering, hands‑on with both manual/functional and automated testing
  • Experience testing web and mobile apps, including cross‑browser (Chrome, Safari, etc.) and cross‑device verification
  • Solid test‑case design, execution, and regression testing discipline (able to own recurring daily/regression sweeps)
  • Working knowledge of core Web3 flows: wallet connections (MetaMask, Trust Wallet, WalletConnect), transaction signing, and on‑chain vs off‑chain behavior. Need to have smart contract + wallet testing experience
  • Experience testing third‑party/exchange (CEX) integrations end to end (e.g. Coinbase‑style connect flows)
  • Comfortable setting up and managing test accounts, credentials, and environments
  • Clear, reproducible bug reporting and tracking in Linear (or Jira), with crisp repro steps and evidence
  • Scripting ability in TypeScript, JavaScript, or Python at a working level
  • Strong written English and ability to collaborate across US/Europe/India

time zones

Nice-to-haves

  • Hands‑on with Playwright and/or Cypress (writing and maintaining tests, not just running them)
  • Familiarity running tests in CI/CD (GitHub Actions, CircleCI)
  • Experience with testnets or mocking Web3 providers
  • Comfort using AI dev tools (Copilot, Cursor, Claude) to speed up test authoring
  • Familiarity with blockchain explorers for verifying on‑chain state
  • Prior startup / fast‑paced environment experience

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Posted: November 2nd, 2026