I will build secure blockchain solutions, smart contracts, audits, dapps and web

SAIF

Pakistan

I speak English

10 orders completed

Web3 Dev

Blockchain Developer & Smart Contract Security Researcher Building secure, gas-optimized smart contracts, DeFi protocols, NFTs, DAOs, and scalable Web3 DApps with professional auditing and testing.
About this Gig

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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build secure blockchain solutions, smart contracts, audits, dapps and web
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build secure blockchain solutions, smart contracts, audits, dapps and web

Purpose:

Collectibles

•

DeFi

•

Gaming

•

Know your customer (KYC)

•

NFT

+1 more

Programming language:

Node.js

•

Python

•

Solidity

Expertise:

APIs

•

Backend

•

Blockchain development

•

ICOs

+2 more
Keep your assets and information safe

Cryptocurrency services focus solely on developing and programming. Never share sensitive information or private keys with others.

My Portfolio

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