Senior Software Engineer - Blockchain

Mastercard

Arlington, Virginia, United States of America Posted October 27, 2026

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On-site Full-time Senior
Job Description

We are looking for a Senior Software Engineer - Blockchain to design and develop scalable, production-grade smart contract systems and Web3 integrations within the Ethereum/EVM ecosystem. Lead technical design, collaborate with cross-functional teams, and mentor engineers. Ideal for experienced blockchain professionals with strong expertise in Ethereum/EVM and web3 development.

Required Skills
software development collaboration cross-functional collaboration
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