I will be your smart contract developer

4.9
4.9

Bangladesh

I speak English

99 orders completed

Gig Summary

Expert Dapp Developer

Hi, I’m Sayem. Welcome to my profile. I am a Dapp(Decentralized Application) developer passionate about the Web3.0 world and Metaverse. I am an expert in developing Fullstack Dapp with solidity for th...

Level 2

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

About this Gig

Are you looking for a gas-optimized and trouble-free smart contract?

Well, you are at the right gig.

I can convert your idea into a full-scale project which will forever live on the blockchain. I am a Full Stack Web Developer with extensive experience in the blockchain industry. I have good knowledge of web3 and react to interact with smart contracts.

My Services include:

  1. Custom smart contract implementation.
  2. Token creation on Ethereum. (ERC20/BEP20/TRC20/ERC721(NFT))
  3. Custom Dapp.
  4. Web3 integration with React.js.
  5. OpenZeppelin.
  6. Smart contract unit testing and audit.
  7. Manual Analysis of code Line-By-Line.
  8. To find any logical errors.
  9. To perform a Critical Analysis of logic.
  10. To check code against known security attacks (there are 6-10 at the moment).
  11. Perform Attacks to smart contract test deployment.
  12. Use of Third Party tools to further scan the code.
  13. Free Support after the project is completed.

I am looking forward to doing business with you!

NOTE: PLEASE DISCUSS FULL REQUIREMENTS WITH ME IN CHAT BEFORE PLACING AN ORDER.

Purpose:

Collectibles

•

DeFi

•

Know your customer (KYC)

•

Dao

•

NFT

Programming language:

JavaScript

•

Solidity

•

React

Expertise:

Blockchain development

•

ICOs

•

Integrating wallets

•

IPFS

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

Other Blockchain Development & Solutions Services I Offer

Reviews

57 reviews for this Gig
4.9

(49)
(6)
(1)
(1)
(0)
Rating Breakdown
  • Seller communication level
    4.9
  • Quality of delivery
    4.9
  • Value of delivery
    4.9
Sort By
Most relevant
  • O

    offnrunningeb

    US

    United States

    Ongoing collaboration
    5

    Sayem is a pleasure to work with

    $200-$400

    Price

    7 days

    Duration

    Helpful?
    Yes
    No
  • A

    ard_dhedhi

    PK

    Pakistan

    Ongoing collaboration
    5

    great work

    $50-$100

    Price

    1 day

    Duration

    Helpful?
    Yes
    No
  • O

    offnrunningeb

    US

    United States

    Ongoing collaboration
    5

    great working with Sayem

    $600-$800

    Price

    8 days

    Duration

    Helpful?
    Yes
    No
  • A

    alan21000

    GB

    United Kingdom

    Ongoing collaboration
    5

    Extremely well done job, we will work together again, very shortly, thanks,

    $50

    Price

    4 days

    Duration

    Helpful?
    Yes
    No
  • A

    alan21000

    GB

    United Kingdom

    Ongoing collaboration
    5

    Very well done, job. Thanks,

    $50-$100

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
Reviews

57 reviews for this Gig
4.9

(49)
(6)
(1)
(1)
(0)
Rating Breakdown
  • Seller communication level
    4.9
  • Quality of delivery
    4.9
  • Value of delivery
    4.9
Sort By
Most relevant
  • O

    offnrunningeb

    US

    United States

    Ongoing collaboration
    5

    Sayem is a pleasure to work with

    $200-$400

    Price

    7 days

    Duration

    Helpful?
    Yes
    No
  • A

    ard_dhedhi

    PK

    Pakistan

    Ongoing collaboration
    5

    great work

    $50-$100

    Price

    1 day

    Duration

    Helpful?
    Yes
    No
  • O

    offnrunningeb

    US

    United States

    Ongoing collaboration
    5

    great working with Sayem

    $600-$800

    Price

    8 days

    Duration

    Helpful?
    Yes
    No
  • A

    alan21000

    GB

    United Kingdom

    Ongoing collaboration
    5

    Extremely well done job, we will work together again, very shortly, thanks,

    $50

    Price

    4 days

    Duration

    Helpful?
    Yes
    No
  • A

    alan21000

    GB

    United Kingdom

    Ongoing collaboration
    5

    Very well done, job. Thanks,

    $50-$100

    Price

    2 days

    Duration

    Helpful?
    Yes
    No