Quick facts
- Pay
- $28–31 / hour
- Type
- Contract
- Location
- South America
- Hours
- 40+ hours / week
- Skills
- Python, JavaScript, TypeScript
- Platform
- BrainTrust — 135 open jobs
- Typical pay at BrainTrust
- $15–100/hour · median $30 (111 jobs on our site)
- Payout
- Bank transfer, Wise, Stripe, USDC/USDT (when client pays invoice)
- Apply
- Free to apply — never pay to get AI training work
- Rate: $28 – $31/hr
- Hours: 40 hours / week
- Experience: 3 - 5 years
- Location: United States | Canada + 9 more
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
Company: QA Automation Engineer – Web3
Rate: $28 – 31/hr
Location: South America
Apply here: https://app.usebraintrust.com/r/eve125/
Braintrust is a talent network that matches freelancers and professionals with companies, including AI labs that need experts for training and evaluation work. Its AI recruiter handles screening.