Senior QA Engineer (Smart Contract Testing/DEX)

We are seeking a highly technical Senior QA Engineer to spearhead the quality assurance strategy for our client - Decentralized Exchange (DEX). This role focuses on the intersection of traditional exchange mechanics and blockchain technology.

Requirements

• 8+ years of professional QA experience
• 3+ years of specific experience in Exchange (DEX/CEX) testing
• Mastery of smart contract testing across at least two major ecosystems
• Proficient in Hardhat, Foundry, or Truffle for comprehensive white-box testing
• Skilled in testing Chainlink Oracle integrations, WalletConnect, and Web3 Providers
• Proven ability to implement end-to-end automation spanning UI, API, and on-chain interactions
• Familiarity with exchange risk control systems and experience validating complex risk parameters