m
mohd_hassan43

Muhammad Hassan

@mohd_hassan43
5.0(119)

Level 2

Expert Blockchain Developer: Tokens, Presale, Staking dApps

Pakistan
English, Spanish, French, German
About me
Hi, I'm Muhammad Hassan, a Full Stack Blockchain Developer with 5+ years of experience delivering secure, scalable Web3 and modern web solutions. I've completed 100+ projects, helping startups and businesses launch tokens, build ICO/Presale platforms, develop smart contracts, create custom Websites, and integrate blockchain into real-world applications. I focus on quality, clear communication, and building solutions that are ready for growth. If you're looking for a reliable developer to bring your idea to life, I'd love to work with you. Let's build something great together!... Read more

Skills

m
mohd_hassan43
Muhammad Hassan
$20/hour
Offline • 
Average response time: 1 hour

See my services

Decentralized Applications (dApps)
I will develop erc20 token, meme coin, crypto token presale website and smart contract
5.0(69)
AI Websites & Software
I will develop ai website, ai web3 dapp, ai saas, ai web application as full stack dev
4.8(24)

Want to work on an hourly basis?

Tell Muhammad Hassan what you need.

$20

/

hour

Portfolio

Work experience

Upwork

Blockchain Developer | Smart Contracts & Web3 Solutions

Upwork • Self-employed

Sep 2025 - Present11 mos

Hands-on experience developing and deploying smart contracts and full-stack Web3 applications on EVM-compatible networks, including ERC20, ERC721, and ERC1155 standards. Extensive work on presale, ICO, and IDO systems featuring whitelisting, tiered allocations, vesting schedules, staking mechanisms, minting logic, refund handling, and secure multi-wallet fund collection. Strong emphasis on writing gas-optimized, secure, and audit-ready Solidity code using industry best practices, with end-to-end integration into React/Next.js applications via ethers.js and web3.js, including wallet connectivity (MetaMask, WalletConnect, TronLink), admin dashboards, contract management tools, and deployment workflows using Hardhat and Foundry.

119 Reviews
5.0

(114)
(1)
(0)
(1)
(3)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
1-5 out of 119 Reviews
Sort By
Most relevant
    M

    mobindee

    BD

    Bangladesh

    Ongoing collaboration
    5

    good work, that's my another work, this man very helpful.

    $50-$100

    Price

    2 days

    Duration

    gig

    Decentralized Applications (dApps)

    Helpful?
    Yes
    No
    I

    incognit00

    CA

    Canada

    5

    Very professionnal, ill 100% recommand his work

    Helpful?
    Yes
    No
    M

    meharmustafa750

    PK

    Pakistan

    5

    To much supportive professional experienced

    $50-$100

    Price

    3 days

    Duration

    gig

    Decentralized Applications (dApps)

    Helpful?
    Yes
    No
    M

    mobindee

    BD

    Bangladesh

    Ongoing collaboration
    5

    Great experience working with him. Very skilled in blockchain development and smart contracts. Delivered everything on time with clean and secure code. Communication was smooth throughout. Highly recommended for any Web3 or token-related project.

    $100-$200

    Price

    7 days

    Duration

    gig

    Decentralized Applications (dApps)

    Helpful?
    Yes
    No
    A

    abdul_wahab1233

    PK

    Pakistan

    5

    Professional work.....

    $50

    Price

    1 day

    Duration

    gig

    Collectibles

    Helpful?
    Yes
    No