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$
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I will do web3 solidity smart contract erc20, 721 erc1155 ,staking , minting dapp
Senior Full Stack Developer
With 9+ years of experience, I provide diverse blockchain and your bussiness solutions and developments. Offering expertise in Blockchain smart contracts, DApps, and more. Delivering secure, scalable,...
Buyers keep returning
Alex has an exceptional number of repeat buyers
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
Highly Responsive
Known for exceptionally quick replies
About this Gig
With over 7+ years of extensive experience in the blockchain industry, I am a highly accomplished blockchain developer providing top-notch blockchain solutions and services to help businesses thrive in the digital landscape.
I can help in the following:
- Web3.js
- Smart contract
- Blockchain Back-End Development
- ERC20
- ERC721
- ERC1155
- NFT Marketplace
- Staking
- ICO
- Metamask, wallet connect integration
- Solidity ERC721 contract creation and deployment
- LunchPad Development
- Deployed contract integration in your front end app
- DEX
- Decentralized Applications Development (Dapps)
- Ethereum Blockchain
- Binance Smart Chain
- Solidity - Smart Contract
- NFT - ERC721 building
- Staking DAPP
- JavaScript
- React Js frontend development
- Node Js
- Web3 Js integration
- Meta Mask Wallet integration
- Ganache - personal blockchain for Ethereum
- Remix - IDE for writing, executing, debug smart contracts
- Truffle - Framework for JavaScript
- Hardhat - Professional framework for JavaScript
- Brownie - Framework for python
- Infura - API to connect node
- IPFS - Storing files
- Testnets - Ethereum network for development
- Mainnet - Ethereum network for production
- Binance Smart Chain
- BEP20 & BEP721 Token building
- Heroku - Web Apps deployment.
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
148 reviews for this Gig
| (146) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
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- Quality of delivery
- Value of delivery
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Most relevant
P pokerfacecasino
Repeat Client
United Kingdom
Alex is extremely knowledgeable and when I say extremely knowledgeable, he is very intelligent. We are a UK based company and I am absolutely astounded at his level of intelligence. It is mind blowing how professional and courteous and good he is.
$50-$100
Price
1 day
Duration
Helpful?J 
jobaytruth
Repeat Client
United States
Excellent service I would recommend to anyone.
$50-$100
Price
7 days
Duration
Helpful?R rizi1772
Repeat Client
United Kingdom
Amazing person get my work as expected I would really recommend him to anyone
Up to $50
Price
2 days
Duration
Helpful?R rizi1772
Repeat Client
United Kingdom
Outstanding work and meet my expectations…recommended
Up to $50
Price
3 days
Duration
Helpful?P pokerfacecasino
Repeat Client
United Kingdom
Alex - has been absolutely fantastic - I’m a UK based business - Alex has been extremely patient - his English is amazing - he is very intelligent - and when I say intelligent the Work he has done is absolutely incredible - he is extremely knowledgeable - very friendly - and he is an absolute diamond...
$200-$400
Price
3 days
Duration
J 
Seller's Response
Helpful?
Reviews
148 reviews for this Gig
| (146) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
P pokerfacecasino
Repeat Client
United Kingdom
Alex is extremely knowledgeable and when I say extremely knowledgeable, he is very intelligent. We are a UK based company and I am absolutely astounded at his level of intelligence. It is mind blowing how professional and courteous and good he is.
$50-$100
Price
1 day
Duration
Helpful?J jobaytruth
Repeat Client
United States
Excellent service I would recommend to anyone.
$50-$100
Price
7 days
Duration
Helpful?R rizi1772
Repeat Client
United Kingdom
Amazing person get my work as expected I would really recommend him to anyone
Up to $50
Price
2 days
Duration
Helpful?R rizi1772
Repeat Client
United Kingdom
Outstanding work and meet my expectations…recommended
Up to $50
Price
3 days
Duration
Helpful?P pokerfacecasino
Repeat Client
United Kingdom
Alex - has been absolutely fantastic - I’m a UK based business - Alex has been extremely patient - his English is amazing - he is very intelligent - and when I say intelligent the Work he has done is absolutely incredible - he is extremely knowledgeable - very friendly - and he is an absolute diamond...
$200-$400
Price
3 days
Duration
J Seller's Response
Helpful?
