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$
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I will create web3 ethereum smart contract solidity 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.
About this Gig
I am an expert in Solidity to create custom smart contracts. I can make a new cryptocurrency for you as an ERC20/BEP20 token and create a NFT for you ERC721 and multi stander token ERC1155 on the Ethereum blockchain.
I can help in the following:
- Web3.js
- Smart contract
- solidity
- ERC20
- ERC721
- ERC1155
- NFT Marketplace
- Staking
- ICO
- Metamask, wallet connect integration
- Solidity ERC721 contract creation and deployment
- Ethereum, Polygon , Ropstan , RinkeyBY etc.
- Deployed contract integration in your front end app
- Invoking contract methods from your app
- Ethereum DApp
- Ethereum Blockchain
- Binance Smart Chain
- Solidity - Smart Contract
- NFT - ERC721 building
- FT - ERC20 building
- 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
78 reviews for this Gig
| (77) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
I iameliacci
United States
Absolutely outstanding experience — truly above and beyond a 5-star service. The developer handled everything from the smart contract to the full UI interface with a high level of professionalism and technical skill. As someone in the IT field myself, I can say this was a very collaborative process...
$200-$400
Price
12 days
Duration
Helpful?K karamayakefir
Repeat Client
Turkey
Alex for the third time, and once again an excellent delivery. Communication is clear, the process is well-managed, and he turns complex technical requirements into correct, actionable work quickly. He doesn’t just “finish the task” — he pays attention to details, proactively flags potential inconsistencies,...
$1,000-$1,500
Price
5 weeks
Duration
Helpful?A alialkhaldi150
Repeat Client
Saudi Arabia
Great work, my friend, and we will return with another project.
$600-$800
Price
4 weeks
Duration
Helpful?A alialkhaldi150
Repeat Client
Saudi Arabia
This is a fantastic job and a tremendous effort. This work deserves praise; it is creative, fast, timely, and cooperative.
$200-$400
Price
2 weeks
Duration
J 
Seller's Response
Helpful?P pinnaclllc
United States
very professional . Highly recommended.
Up to $50
Price
1 day
Duration
Helpful?
Reviews
78 reviews for this Gig
| (77) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
I iameliacci
United States
Absolutely outstanding experience — truly above and beyond a 5-star service. The developer handled everything from the smart contract to the full UI interface with a high level of professionalism and technical skill. As someone in the IT field myself, I can say this was a very collaborative process...
$200-$400
Price
12 days
Duration
Helpful?K karamayakefir
Repeat Client
Turkey
Alex for the third time, and once again an excellent delivery. Communication is clear, the process is well-managed, and he turns complex technical requirements into correct, actionable work quickly. He doesn’t just “finish the task” — he pays attention to details, proactively flags potential inconsistencies,...
$1,000-$1,500
Price
5 weeks
Duration
Helpful?A alialkhaldi150
Repeat Client
Saudi Arabia
Great work, my friend, and we will return with another project.
$600-$800
Price
4 weeks
Duration
Helpful?A alialkhaldi150
Repeat Client
Saudi Arabia
This is a fantastic job and a tremendous effort. This work deserves praise; it is creative, fast, timely, and cooperative.
$200-$400
Price
2 weeks
Duration
J Seller's Response
Helpful?P pinnaclllc
United States
very professional . Highly recommended.
Up to $50
Price
1 day
Duration
Helpful?
