Blockchain Developer Interview Questions
Practice blockchain developer interview questions on smart contracts, DeFi, Web3, and distributed systems.
Top 10 Blockchain Developer Interview Questions
- Explain how consensus mechanisms work.
- Describe your experience writing smart contracts.
- What security vulnerabilities are common in smart contracts?
- How do you test and audit smart contracts?
- Explain the difference between Layer 1 and Layer 2 solutions.
- What is your experience with DeFi protocols?
- How do you handle gas optimization in Ethereum?
- Describe your experience with Web3 development.
- What blockchain platforms have you worked with?
- How do you stay current with blockchain technology?
Tips for Your Blockchain Developer Interview
- Be proficient in Solidity or other smart contract languages
- Know common security patterns and vulnerabilities
- Understand different blockchain architectures
- Stay current with the rapidly evolving ecosystem