Blockchain Oracle QA Engineer

Coin Market Cap Ltd

Hong Kong

On-site

HKD 600,000 - 1,000,000

Full time

14 days+

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Job summary

Coin Market Cap Ltd in Hong Kong seeks a seasoned QA engineer to design and implement automated testing frameworks for oracle smart contracts, covering unit, integration, and end-to-end tests. You will develop security test cases for price feeds, data retrieval, and multi-party consensus, while simulating stress conditions to evaluate fault tolerance.

Ideal candidates have 3+ years in smart contract testing, are proficient in Solidity and testing tools like Hardhat/Truffle/Foundry, and

Qualifications

Bachelor’s degree in Computer Science, Software Engineering, or a related field.
3+ years of experience in smart contract testing or development, with proficiency in Solidity and testing frameworks.
Deep understanding of oracle mechanisms and exposure to common attack vectors.

Responsibilities

Design and implement automated testing frameworks for oracle smart contracts, covering unit tests, integration tests, and end-to-end tests.
Develop and execute security test cases focusing on price data feeds, off-chain data retrieval, multi-party consensus, and Sybil resistance.
Simulate on-chain and network abnormal conditions to conduct stress and fault tolerance testing.
Collaborate with developers to perform vulnerability scanning and assist in audits before deployment.
Create and maintain test documentation, defect reports, and quality assessment reports.
Verify oracle node data accuracy and conduct performance benchmarking.