I will build secure blockchain solutions, smart contracts, audits, dapps and web
Web3 Dev
Sobre este Serviço
Looking for a professional blockchain developer who can handle every part of your Web3 project?
Im Saifullah a Blockchain Developer & Smart Contract Security Researcher delivering secure, gas-optimized, and scalable Web3 solutions.
What I Offer
- Smart contract development (ERC20, ERC721, ERC1155)
- NFT minting, staking & reward systems
- DApp development (React/Next.js + Wallet integration)
- DeFi systems (staking, vesting, launchpads, token sales)
- Smart contract audits (manual + static analysis)
- Proxy & upgradeable contracts (UUPS, Transparent, Diamond)
- Storage & gas optimization
- Web3 integrations (Ethers.js / Web3.js)
- The Graph indexing
Why Choose Me?
⭐ Clean & secure code
⭐ Foundry-based testing
⭐ Fast delivery
⭐ Full documentation
⭐ Professional communication
Lets build your Web3 vision.
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Os serviços de criptomoeda se concentram exclusivamente em desenvolvimento e programação. Nunca compartilhe informações confidenciais ou chaves privadas com outras pessoas.
Meu portfólio
Perguntas frequentes
Can you audit my existing contract?
Yes, I provide manual audits with vulnerability detection.
Do you build full DApps?
Yes - frontend, backend, contracts, indexing.
Can you customize tokenomics?
Absolutely.
