z
zulkefal155

Zulkefal

@zulkefal155
4,8(165)

Level 2

Blockchain Developer and Lead Generator

Paquistão
Inglês, Alemão, Francês, Italiano
Algumas informações são exibidas no idioma inglês.
Sobre mim
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.... Saiba mais

Habilidades

z
zulkefal155
Zulkefal
US$ 15/hora
offline • 
Tempo médio de resposta: 1 hora

Conheça meus serviços

Criação de Lista de Clientes Potenciais
I will do targeted b2b lead generation and prospects list building
4,8(130)
A partir deUS$ 40 /projetoMais detalhes
Criação de Lista de Clientes Potenciais
I will scrape google maps business leads with emails
5,0(28)
A partir deUS$ 20 /projetoMais detalhes

Quer trabalhar com remuneração por hora?

Diga a Zulkefal o que você precisa.

US$ 15

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hora

Portfólio

Experiência profissional

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 Avaliações
4,8

(156)
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Classificação detalhada
  • Nível de comunicação do freelancer
    4,9
  • Qualidade da entrega
    4,8
  • Valor da entrega
    4,8
1-5 fora das 165 avaliações
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