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SeniorFull-timeRustAPI
Salary Range
$132,600 - $179,400 /year
This salary is estimated based on similar roles. The actual salary may vary.
About the Role
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, requiring a candidate who can perform deep white-box testing on smart contracts while ensuring the reliability of the entire trading lifecycle.
Key Responsibilities
- →Lead end-to-end testing for DEX/CEX platforms, encompassing functional integration, User Acceptance Testing (UAT), performance/stress testing, and security assessments.
- →Conduct rigorous unit and integration testing for core on-chain components, including Vaults, Clearinghouses, Settlement engines, and Oracles.
- →Build and maintain scalable automated testing frameworks using industry-standard tools like Hardhat and Foundry.
- →Oversee production environment deployment verification, regression testing, and final launch acceptance to ensure zero-defect deployments.
- →Actively participate in requirements review and test design alongside Developers and Product Managers to bake quality into the development lifecycle.
Requirements
- ✓8+ years of professional QA experience with a deep understanding of cross-platform testing (PC, H5, and Mobile).
- ✓3+ years of specific experience in Exchange (DEX/CEX) testing, with a thorough grasp of matching engines, clearing/settlement, and asset flow logic.
- ✓Mastery of smart contract testing across at least two major ecosystems: EVM (Solidity), Sui (Move), or Solana (Rust/Anchor).
- ✓Proficient in Hardhat, Foundry, or Truffle for comprehensive white-box testing of contract source code.
- ✓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.
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