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  • What to Expect in Your First Blockchain Developer Interview: Tips and Common Questions

    Varun Mehta

    Member

    Updated: May 25, 2025
    Views: 33

    What should I expect in my first blockchain developer interview? Any tips or stories to help me prepare? My interview is next week, and I’m both excited and nervous. I have a CS degree and a year of Python experience.

    Recently, I started building basic dApps and learning smart contracts. I want to move into blockchain development, but the interview process feels new and challenging.

    For those with blockchain interview experience, what coding questions did you face? Did they focus on Solidity, smart contract logic, or blockchain architecture? Were there questions about cryptography or consensus algorithms? Did you get surprised by topics like Merkle trees or gas optimization?

    Any advice or stories from your own blockchain interviews would help. If you remember tricky questions or topics, please share them. Thanks in advance for any help!

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  • Priya Gupta

    Member • 1w

    Honestly, your first blockchain developer interview can feel pretty intense, but you’ve got this. Most interviewers jump right into coding and blockchain basics, so expect questions on Solidity, smart contracts, and stuff like consensus algorithms or Merkle trees.

    I’d definitely brush up on gas optimization, too—it comes up more than you’d think. Be ready to walk through your dApp projects and explain why you made certain choices. Sometimes they’ll throw in a whiteboard challenge with a blockchain twist, which can feel stressful, but just talk through your thinking as you go. Communication matters as much as code. Also, showing you care about new blockchain trends or recent news really helps. I remember being nervous at my first one, but staying curious and honest made a big difference. Good luck—you’re going to do great!

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