QA Engineer

Key To Web3

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Remote remote Until 8/21/2026 First posted May 25, 2026 Last posted May 25, 2026
Job description

Key Responsibilities:


  • Conduct functional and non-functional testing
  • Develop and maintain automated testing frameworks.
  • Perform manual testing for exploratory, UI/UX, and edge cases.
  • Work with engineers to define test cases, reproduce bugs, and verify fixes.
  • Identify and document complex edge cases.
  • Test Jupiter routing and protocol integrations.
  • Conduct performance and security testing.
  • Participate in code reviews, sprint planning, and releases.

Key Requirements:


  • Experience testing blockchain, DeFi, or Web3 applications.
  • Strong knowledge of automated testing frameworks (Selenium, Cypress, Playwright, WebdriverIO).
  • Proficiency in manual testing, including UI, API, and end-to-end testing.
  • Familiarity with Jupiter routing or DeFi protocols.
  • Experience with smart contract testing (Hardhat, Foundry, Truffle).
  • Ability to work in a remote, fast-paced environment.
  • Experience with Solana, Ethereum, or other blockchain ecosystems.
  • Understanding of DeFi trading, liquidity pools, routing strategies.
  • Knowledge of CI/CD pipelines and DevOps testing tools.
  • Background in security testing and smart contract vulnerabilities.

About this role

Summary

Perform manual and automated testing for blockchain and DeFi applications with security focus

Job title

QA Engineer

Experience level

Industry

software

Location requirements

remote work allowed, global candidates accepted

Salary

Not specified

Management role

No

Skills & keywords

Required skills

testing frameworksmanual testingblockchainsmart contract testingCI/CD

Preferred skills

automationsecurity testingSolanaEthereumDeFi protocols

Specializations

blockchainDeFismart contract testingsecurity testingautomation
Locations

Structured locations inferred from the posting.

Unknown location

Remote
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