I will build smart contract backend as a web3 developer and blockchain engineer

4.9
4.9

Pakistan

I speak English

192 orders completed

Gig Summary

Blockchain and AI Solutions Studio

Welcome to a team of senior engineers building at the intersection of blockchain, AI, and automation. With 7+ years of hands-on experience, we design and deliver production-grade systems—not experime...

Level 2

Has met high performance criteria and has a proven track record for meeting client expectations.

About this Gig

I create secure and efficient Web3 smart contracts for DAOs, NFTs, bots, and other decentralized applications. With deep experience in Ethereum and cross-chain protocols, I help you launch production-ready dApps with clean architecture and audit support.

Services Offered:

  • DAO contract setup and voting mechanisms
  • NFT minting (including lazy minting and royalties)
  • Custom trading or automation bots
  • Tokenomics: staking, vesting, burning, mining
  • Smart contract audits and best practice implementation
  • Web3 frontends in React (Uniswap-style interfaces)
  • Backend integration with Node.js and MongoDB
  • RESTful API and external system integration

Tools & Tech:

  • Solidity, Hardhat, Truffle, Remix
  • Web3.js, Ethers.js, OpenZeppelin
  • React, MetaMask integration
  • Mocha, Chai, Moralis
  • Chainlink and cross-chain (Multichain, Hyperledger)

If you need a reliable blockchain engineer to build, test, and audit your Web3 contracts, let's work together.

Purpose:

Collectibles

•

DeFi

•

Gaming

•

Know your customer (KYC)

•

NFT

Programming language:

JavaScript

•

Python

•

Solidity

•

Node.js

•

React

Expertise:

APIs

•

Backend

•

Blockchain development

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

Reviews

24 reviews for this Gig
4.9

(22)
(2)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    4.9
  • Quality of delivery
    4.9
  • Value of delivery
    5
Sort By
Most relevant
  • M

    malmutawa3

    BH

    Bahrain

    5

    Hassan did an OUTSTANDING job with his blockchain development project. His impeccable documentation and attention to details made the experience seamless, and his language fluency and timely delivery were impeccable. Would highly recommend working with him again! 👍

    $200-$400

    Price

    2 weeks

    Duration

    Helpful?
    Yes
    No
  • R

    realworldasset

    US

    United States

    4.7

    Delivered as expected. Will absolutely be working together on more projects starting now and in the future.

    $1,000-$2,500

    Price

    7 weeks

    Duration

    Helpful?
    Yes
    No
  • D

    dipad_2025

    NL

    Netherlands

    5

    very impressive. delivery is excellent, i'd definately recommend

    $200-$400

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No
  • D

    drexpress

    GB

    United Kingdom

    5

    Hassan is the only guy i trust here. He's the best

    $200-$400

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
  • M

    malmutawa3

    BH

    Bahrain

    5

    so far so good, we are about to complete this project without any issues. Very smooth delivery process

    $200-$400

    Price

    7 days

    Duration

    Helpful?
    Yes
    No
Reviews

24 reviews for this Gig
4.9

(22)
(2)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    4.9
  • Quality of delivery
    4.9
  • Value of delivery
    5
Sort By
Most relevant
  • M

    malmutawa3

    BH

    Bahrain

    5

    Hassan did an OUTSTANDING job with his blockchain development project. His impeccable documentation and attention to details made the experience seamless, and his language fluency and timely delivery were impeccable. Would highly recommend working with him again! 👍

    $200-$400

    Price

    2 weeks

    Duration

    Helpful?
    Yes
    No
  • R

    realworldasset

    US

    United States

    4.7

    Delivered as expected. Will absolutely be working together on more projects starting now and in the future.

    $1,000-$2,500

    Price

    7 weeks

    Duration

    Helpful?
    Yes
    No
  • D

    dipad_2025

    NL

    Netherlands

    5

    very impressive. delivery is excellent, i'd definately recommend

    $200-$400

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No
  • D

    drexpress

    GB

    United Kingdom

    5

    Hassan is the only guy i trust here. He's the best

    $200-$400

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
  • M

    malmutawa3

    BH

    Bahrain

    5

    so far so good, we are about to complete this project without any issues. Very smooth delivery process

    $200-$400

    Price

    7 days

    Duration

    Helpful?
    Yes
    No