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Nederlands
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Zulkefal
@zulkefal155
Level 2
Blockchain Developer and Lead Generator
Pakistan
Engels, Duits, Frans, Italiaans
Over mij
Blockchain Developer & Data Research Specialist with a proven freelancing journey since 2019. Before graduation, professional services began with lead generation, web research, company contact list building, and Google data extraction, completing 300+ projects with consistent 5-star ratings. After earning a Computer Science degree, services expanded into blockchain development, specializing in ERC-20/721/1155 smart contracts, DeFi and NFT solutions, token swaps, staking, bridging, buyback & burn, Merkle proofs, and ECDSA verification. Contracts are built and tested using Foundry.
Skills
Zulkefal
US$ 15/uur
offline •
Gemiddelde reactietijd: 1 uur
Bekijk mijn diensten
Leadgeneratie
I will do targeted b2b lead generation and prospects list building
Leadgeneratie
I will scrape google maps business leads with emails
Wil je op uurbasis werken?
Vertel Zulkefal wat je nodig hebt.
US$ 15
/
uurPortfolio
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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