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Blockchain Backend Developer experts in Ethereum, ERC721, ERC 115, and NFT minting

$25-50 CAD / hour

종료됨
게시됨 거의 3년 전

$25-50 CAD / hour

We are hiring a third-party developer to develop an NFT Marketplace for us. We need a blockchain backend expert who could audit/evaluate the backend of the platform that we are going to purchase in order to ensure us that the platform is reliable.
프로젝트 ID: 30122763

프로젝트 정보

24 제안서
원격근무 프로젝트
활동 중 3년 전

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24 이 프로젝트에 프리랜서들의 평균 입찰은 $39 CAD입니다./시간
사용자 아바타
HI there i am blockchain and smart contract expert i have many experience in this field i think i can help you with my experinec e looking forwrad to your rpely Thanks
$38 CAD 40일에
5.0 (6 건의 리뷰)
6.0
6.0
사용자 아바타
Hello, soheilahmadi. I have read your description carefully and everything is clear. I am Blockchain expert, so have rich experience in this area. I've completed a lot of Defi and DEX projects on Ethereum Blockcahin for 5 years. I have experienced NFT marketplace, so have a lot experiences about Opensea. So I can support perfectly based on your requirements. I can support details via chat. I would like to discuss more details. Thanks.
$35 CAD 40일에
5.0 (7 건의 리뷰)
5.7
5.7
사용자 아바타
Hello. As you can see in my profile, I am a blockchain developer and you can see my work history in my portfolio here: https://www.freelancer.com/u/humeniukivan If you award me the project I'd be very happy to discuss this further and get started for you as soon as possible. Thank you
$40 CAD 40일에
5.0 (12 건의 리뷰)
5.2
5.2
사용자 아바타
Hello. I am senior blockchain developer and have rich experience in developing smart contracts with solidity. I have done many projects like erc20, erc721, bep20 and many other projects like lottery. I am very interested in your project. I am ready for your project. Best regard.
$40 CAD 40일에
5.0 (4 건의 리뷰)
4.4
4.4
사용자 아바타
Hello Thanks for your kind care.I've just checked your requirements carefully. As a fullstack developer who has 10+ years of experiences in Programming, I have much experiences in Blockchain Technology and full stack development I'm very familiar with Solidity,Ethereum,BSC and Pixel Perfect Web Design,React,Vue,NodeJS,AWS and so on. I have already published some blockchain tokens and it is being used now. So we can discuss more detail in the chat about your project. Always I write the clean code so that anyone can check and understand my codes easily, so no worries about that. As well as, I can make the deadline task by task as your requirement. Regards
$38 CAD 40일에
5.0 (1 건의 리뷰)
4.0
4.0
사용자 아바타
Hi Dear I have rich expereice inNFT using pancakeswap I really want to work with you for a long time Best Regards
$38 CAD 40일에
5.0 (2 건의 리뷰)
3.6
3.6
사용자 아바타
"Blockchain Minting Expert!" Hello Dear client. Thanks for posting. I am happy to send proposal on this project. I am new to freelancer because I have been working for 2 companies and Upwork so far. I am a senior developer have 7+ experiences about Gatsby, React and Node.js with modern, beautiful designs from Figma, PSD, XD files and UIs such as Material UI, Tailwindcss, Argon ... I have seen your project's requirements carefully. I am ready to start your project immediately and I really can complete your project perfectly in a short period. And fortunately I have completed a similar project for an other employer before. I am really feel confident about this project and I think that I'm the right person for this work because I have many good projects that I have accomplished. I really want to work with you. I will show you my ability. To let you trust me, I could do your first project for free if it's not so big. Please contact me for more discuss so we can start the project right now. Lets finish this task ASAP Best regards! Alisa :)
$38 CAD 40일에
5.0 (4 건의 리뷰)
3.0
3.0
사용자 아바타
Hello Client, As a fullstack developer who has 10+ years of experiences in Programming, I have much experiences in Blockchain Technology/full stack development for frontend and backend. I'm very familiar with Solidity/Pixel Perfect Web Design/React/Vue/NodeJS/AWS and so on. I have already published some blockchain tokens and it is being used now. So we can discuss more detail in the chat about your project. Always I write the clean code so that anyone can check and understand my codes easily, so no worries about that. As well as, I can make the deadline task by task as your requirement. I'm familiar with Jira/Trello/Git so that's no problem to use them if you want. Regards, Chibi.
$30 CAD 40일에
5.0 (1 건의 리뷰)
2.4
2.4
사용자 아바타
Hello, soheilahmadi. I am new Freelancer, so this is my first bid on Freelancer.com. But I am Blockchain expert, so have rich experience in Blockchain industry. I have read your descriptions and understood your requirement. So I can support in NFT marketplace area. I would like to discuss more details. Thanks.
$25 CAD 40일에
5.0 (1 건의 리뷰)
2.3
2.3
사용자 아바타
Hello. I read your project description carefully and very interested in your project. I am a strong blockchain and cryptocurrency developer and have good experience in Bitcoin, Ethereum, ERC20, Solidity, Truffle, binance, etc DAPP and trading bot development. I am very strong challenger and love to release new idea to reality. I would love to open our long term creative business through this project. Thanks.
$40 CAD 40일에
5.0 (1 건의 리뷰)
0.6
0.6
사용자 아바타
Hello, I have rich NFT experience and worked on various cryptocurrency platform. I just read description and I meet your requirements. We discuss and you will get what you want. Looking forward to answer.
$38 CAD 40일에
0.0 (0 건의 리뷰)
0.0
0.0
사용자 아바타
Hello, I’m a blockchain and Cryptocurrency developer with 6 years of experience in BSC, DeFi, Yield, farming, NFT, DLT, DEX, SushiSwap, uniSwap, Pancakeswap, price charts, and price calculators for Cryptocurrencies, crypto wallets and payment gateway, solidity, smart contracts Dapps, and Ethereum 2.0, web3, (ERC20, ERC721, ERC1155, BEP20) Hyperledger, Multichain. I also built several FinTech solutions utilizing blockchain technologies, among them, there are money transfer applications on top of the Corda framework and p2p money lending service built on Hyperledger Fabric. Please initiate the chat for the same. Thanks!!
$38 CAD 40일에
0.0 (0 건의 리뷰)
0.0
0.0
사용자 아바타
Hello! I see that you are looking for Blockchain Backend Developer experts in Ethereum, ERC721, ERC 115, and NFT minting. I would love to be the one to work on it. I believe I'd be a great fit for your project as I am an experienced Blockchain and cryptocurrency developer with core expertise in Smart Contract development, setting up ICOs as well as developing wallet applications for my clients. I've got expertise in Solidity and Blockchain fundamentals, I can help You out with most of the crypto-related tasks, setting up blockchain explorer, generating your own currency, or writing smart contracts on Ethereum Network for Decentralized Exchange. I have worked with several popular blockchains like Ethereum, EOS, Stellar, Waves, Ripple, Bitcoin, NEO, and Steem, etc. I am experienced in programming hardware bitcoin/litecoin miner, Truffle, Solidity, Ethereum smart contracts, and using the Ethereum ecosystem. I have successfully developed Ethereum Proof of Stake and worked on an open-source blockchain framework for web and mobile development that saves weeks and weeks of effort for developers to get up to speed integrating blockchain and smart contracts into the existing or new applications. I'd like to set up a call with you to discuss the project and make sure I'm understanding exactly what you want to accomplish with your project. Looking forward to your response Thank you! Jesse
$45 CAD 40일에
0.0 (0 건의 리뷰)
0.0
0.0
사용자 아바타
Hello, We would like to take up this opportunity to introduce ourselves as a professional team of developers passionately building various blockchain applications. Some of our recent Blockchain projects: 1. Cryptocollectibles application on Ethereum Blockchain using ERC 721 standard (Non-fungible token) 2. ICO startup with registration and ETH address collection, allocation of ETH and BTC addresses with balance display. 3. Testing of the BlockAble application built for various recruitment solutions on the blockchain. 4. Network management tool using Hyperledger to add and manage peers in the network. Our team has good knowledge of writing secure contracts using Solidity and business logic implementation and front-end development. The expertise we hold: Building Blockchain Solutions using Ethereum (ERC 721 & ERC 20), Solidity, & tools such as Truffle, Web3, TestRPC, Infura) Frontend, Backend, and database technologies we are comfortable with: Angular JS, Express JS, Javascript, React, .Net, PHP, Node JS, Aurelia, SQL, NoSQL Couch & Mongo DB. We have a developer who can join your team as a full stack developer.
$38 CAD 40일에
0.0 (0 건의 리뷰)
0.0
0.0

고객에 대한 정보

국기 (CANADA)
Halifax, Canada
0.0
0
5월 7, 2021부터 회원입니다

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