
Zulkefal
Level 2
Blockchain Developer and Lead Generator
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Werkervaring
Blockchain Developer
Quecko • Freelance
Dec 2023 - Present • 2 yrs 5 mos
Experienced in developing and deploying secure, gas-efficient smart contracts for DeFi and NFT applications. Strong expertise in ERC-20, ERC-721, and ERC-1155 standards, token swaps, staking, bridging, and advanced tokenomics such as buyback & burn. Skilled in implementing Merkle proofs, ECDSA signature verification, and upgradeable contract patterns. Contracts are built, tested, and deployed using Foundry and Hardhat, with a strong focus on security, performance, and best practices. Services include custom smart contract development, audits and optimizations, mainnet/testnet deployment, and Web3 integration across Ethereum and EVM-compatible blockchains.
165 Reviews
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centralio_1

Canada
This was my first time but we received a lot of valuable support. We will repeat again without a doubt. Thank you
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bruno_buisine
Terugkerende klant

Canada

loughlinnestor

Ierland
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johnwhunt
Terugkerende klant

Australië
johnwhunt
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Australië

