z
zulkefal155

Zulkefal

@zulkefal155
4.8(165)

Level 2

Blockchain Developer and Lead Generator

Pakistán
Inglés, Alemán, Francés, Italiano
Parte de la información aparece en idioma inglés.
Sobre mí
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.... Lee más

Habilidades

z
zulkefal155
Zulkefal
USD 15/hora
desconectado • 
Tiempo medio de respuesta: 1 hora

Revisa mis servicios

Creación de lista de potenciales clientes
I will do targeted b2b lead generation and prospects list building
4.8(130)
DeUSD 40 / proyectoMás información
Creación de lista de potenciales clientes
I will scrape google maps business leads with emails
5.0(28)
DeUSD 20 / proyectoMás información

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Dile a Zulkefal qué necesitas.

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Porfolio

Experiencia laboral

Blockchain Developer

Quecko • Freelance

Dec 2023 - Present • 2 yrs 6 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 Reseñas
4.8

(156)
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(1)
Desglose de calificaciones
  • Nivel de comunicación del Freelancer
    4.9
  • Calidad de la entrega
    4.8
  • Valor de la entrega
    4.8
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