Senior QA Engineer / Blockchain Test Engineer

Who we are Mantle is the entry point for institutions and traditional finance to access real-world assets on-chain. Backed by the world’s largest community-owned treasury of over $4B, Mantle combines institutional-grade infrastructure with the scale and credibility to bring RWAs into Web3 with confidence. Mantle positions itself as the gateway for institutions and TradFi to move into RWAs on-chain. With $4B+ in community-owned assets, Mantle combines credibility, liquidity, and scale with institutional infrastructure to support large-scale adoption. The ecosystem is anchored by $MNT in the Bybit network and built out through subsidiaries mETH, fBTC, MI4, and MantleX. This is complemented by Mantle Network’s partnerships with leading issuers and protocols such as Agora AUSD, Ethena USDe, Ondo USDY, and EigenLayer. Main Responsibilities: Responsible for testing blockchain products' functionality, performance, security, and automation, and participating in the entire project development process. Participate in project requirement analysis, focusing on the rationality and testability of project requirements. Participate in major product requirement and architecture design reviews to ensure the rationality of product design and architecture. Write automation test cases, testing tools, and platforms to improve testing quality and efficiency. Gain an in-depth understanding of blockchain-related knowledge, participate in research, and overcome key technical challenges in the blockchain testing field. Establish a blockchain testing system. Carry out DApp testing, including functionality, performance, and security testing. Conduct browser testing and have a certain understanding of browsers supporting blockchain technology to perform relevant testing work. Job Requirements: A bachelor's degree or above in computer science, software engineering, or related fields. More than 2 years of experience in blockchain testing and development. Familiarity with testing tools such as Hardhat, Foundy, etc. Familiarity with automated testing tools (such as Mocha, Chai, Cypress, etc.) with experience in implementing automated testing projects. Proficiency in JavaScript/Typescript, Python, Golang, Solidity. Familiarity with Ethereum or other public chain projects, with extensive experience in public chain testing. Ability to read English documents and strong research capabilities, along with a self-driven personality.