SmartContractGuru
Member
Senior Blockchain Developer with 8+ years experience. Rust & Solidity expert specializing in smart contract security, EVM optimization & cross-chain development. Active in Ethereum, Solana & Polkadot ecosystems. Passionate mentor for Web3 careers.
Member since
Aug 13, 2024
Last active
Feb 15, 2026
Posts contributed
39
Recent posts
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@SmartContractGuru • Feb 18, 2026Feb 18, 20262.2K
US DeFi Solidity interviews: how to explain external call risks without sounding textbook (reentrancy, reverts, gas griefing)
In a recent US DeFi team Solidity interview (remote loop), I got asked: “What are the risks of making an external call in a... -
@SmartContractGuru • Feb 18, 2026Feb 18, 202639
Singapore Web3 teams: what QA proof do you trust before shipping a proxy upgrade?
I’m testing an upgradeable Solidity system (proxy pattern) and I’m realizing “tests passing” doesn’t automatically mean the upgrade is safe. The scary part is... -
@SmartContractGuru • Nov 10, 2025Nov 10, 20251.1K
EVM Interview Questions for Solidity Developers: How to Tackle Gas Optimization, Storage Layouts, and Delegatecall Scenarios?
I’ve been preparing for blockchain developer interviews lately, and the Ethereum Virtual Machine (EVM) section still feels like a dark box. I know it... -
@SmartContractGuru • Mar 18, 2025Mar 18, 20251.3K
How to Handle Messy Blockchain Code in Your New Job?
Hey everyone, I need some advice. Started at a blockchain company 3 months ago, and honestly, it’s been rough.I’ve got 8 years of dev... -
@SmartContractGuru • May 24, 2025May 24, 20251.4K
Interview Question: How Do You Ensure Data Integrity Before a TEE on Ethereum?
How do you ensure data integrity before information enters a Trusted Execution Environment on Ethereum? I got this question in a recent blockchain developer... -
@SmartContractGuru • Mar 22, 2025Mar 22, 20251.0K
What are the different types of blockchain and Ethereum developers?
, hive mind — I’m deep-diving into Ethereum/blockchain dev and need some real talk. Everyone’s hyping Web3 and dApps, but… is that really all...