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, requiring a candidate who can perform deep white-box testing on smart contracts while ensuring the reliability of the entire trading lifecycle.

Requirements

• Full-Stack Testing: Lead end-to-end testing for DEX/CEX platforms, encompassing functional integration, User Acceptance Testing (UAT), performance/stress testing, and security assessments.
• Smart Contract White-Box Testing: Conduct rigorous unit and integration testing for core on-chain components, including Vaults, Clearinghouses, Settlement engines, and Oracles.
• Framework Architecture: Build and maintain scalable automated testing frameworks using industry-standard tools like Hardhat and Foundry.
• Release Management: Oversee production environment deployment verification, regression testing, and final launch acceptance to ensure zero-defect deployments.
• Collaborative Design: Actively participate in requirements review and test design alongside Developers and Product Managers to bake quality into the development lifecycle.