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NodeJS - Crypto blockchain developer

$750-1500 USD

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已发布超过 5 年前

$750-1500 USD

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We are looking for a NodeJS expert with a lot of experience in building RPC-JSON API's for different blockchains (Electroneum, Ethereum, Monero etc..). We already have a high performance nodeJS script, which doing requests to the blockchain RPC interface. We want to expand our script with more cryptocurrency coins. A high level of NodeJS expertise is needed. So only apply if you have more than 5+ years experience.
项目 ID: 18495248

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30提案
远程项目
活跃5 年前

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30威客以平均价$1,393 USD来参与此工作竞价
用户头像
How are you? I read your description carefully and I am interested your project. I am Blockchain, C++, Web, and Mobile Expert. Especially I have a rich of experience of PIVX and Dash and Nova, monero, ethereum coin fork. I can build POW/POS/MN coin, all of script, quark, x11/x13/x16, creating genesis block, premine, masternode setup, wallet, blockexplorer&mining pool and so on. I can perfectly finish. - Wallet(Windows, MacOS, Web, iPhone, Android) - Block Explorer I will wait for your contact. Best Regards
$1,250 USD 在20天之内
5.0 (23条评论)
6.6
6.6
用户头像
Dear client I have good skills about laravel and php and nodejs and codegniter If u want me,I will show good result for u I can make your job perfectly I think that your job is good for me I have experienced about 6+ years I m ready on your job My lovely in as u know for more detail,please contact with me My review is perfect for your project If u want me,I can start the work soon thanks to view my proposal
$1,250 USD 在20天之内
4.9 (60条评论)
6.5
6.5
用户头像
Hi Sir, i have checked your project description well. i am very interesting in your project. i am a senior developer in web development. i am good at node js and angular with more than 5 years. i am sure you would get best result with me. please chat in detail. thanks very much. @@@
$1,250 USD 在20天之内
4.6 (78条评论)
6.5
6.5
用户头像
Hi, Thanks for your job posting. I've read your project description carefully. As a senior node js and blockchain developer, I have rich experience in this kind of projects . I am sure I can handle this project as you expected. If you have desire to work with me, please respond me to discuss more. Thanks.
$1,000 USD 在20天之内
5.0 (38条评论)
5.5
5.5
用户头像
I have a thorough understanding of this nice and have worked on projects similar to yours in the past. I can deliver the task in quick time frame, while maintaining clear communication. I am also open to quick feedbacks so as to ensure that I and the clients I work are always on the same page and there are no chances of any miscommunication of any sort.
$1,250 USD 在20天之内
4.9 (10条评论)
4.2
4.2
用户头像
I have 6 years experience in node js and blockchain. I am a full stack developer , have created dapps and smart contracts. have worked with json Rpc and made complicated node js application. if you need to see demo or have any wildest questions pls let me know. also check my review in freelancer platform in blockchain development and the high praise of me by the client. thanks
$1,666 USD 在30天之内
5.0 (1条评论)
3.7
3.7
用户头像
his is Arjun from Mohali, India. I have been into Bitcoin/Blockchain Development for the past five years and I have developed some very excellent crypto exchanges. I am a Blockchain expert and provide complete solutions relating to ICO, Smart Contract, White Paper, Blockchain Integrations, DAPPS, DAOS, Web Wallet and also ERC20, ERC23. I also have extensive experience in developing digital currencies with complete marketing plan as well. I can do this project within the given time as I expertise at it. I will ensure great communication throughout the project with timely updates about the progress of the project. I would like to have a chat with you about the project and discuss more about how I will be approaching this task. Ping me and let’s get started. Thank you.
$1,500 USD 在20天之内
5.0 (1条评论)
3.2
3.2
用户头像
CRYPTO*********************************************************************************************************************************************** Hello sir Thanks for posting job...!! We have vast experience on block chain development like token and smart contract development using solidity, Coin Development, ICO Development, exchange and trading platform development..etc. Here I would like to share Crypto Coin development steps are as- Key Features for the Coin Development: Master node setup Setup coin entities Compile code for the coin generation generate block hash Pool mining setup Implement POW and POS Algo's Block Explorer Web wallet Development Admin Wallet Development Smart contract Exchange Connectivity API Skill We have for the project are as- • Nodejs, C, Typescript, Java • Blockchain o Tangle and IOTA o Forking and working with Consensus o POW schemes - asic resistant pow such as hashcash • Cryptography o Scrypt/SHA-256/SHA-3/keccak256 • Signature schemes o DSA/ECDSA/RSA o Schnorr/Lamport/Winternitz/BLS • Defensive Programming • Unit-Testing Framework, like Mocha. • Git / Github • Management - Jira Please message me so I can explain you each step of development by showing you demo about the project. Awaiting for your response. Thanks and Regards Akshay yadav
$1,250 USD 在20天之内
5.0 (1条评论)
3.3
3.3
用户头像
I am experienced on NodeJS, ExpressJS and MongoDB. I am familiar with json rpc api and bitcoind. .
$1,666 USD 在20天之内
5.0 (1条评论)
2.4
2.4
用户头像
Hi,dear. I am very interested in your project - 'NodeJS - Crypto blockchain developer'. I've already done this kind of project before. I'm a professional programmer with 12 years of experience. If you award me, I'll implement all of your requirements in a short time. Skills: Angular.js, Express JS, Javascript, node.js, NoSQL Couch & Mongo
$1,250 USD 在7天之内
5.0 (1条评论)
1.0
1.0
用户头像
hi i had done some projects like yours, please give me the chance to prove you that, so let talk kindly.
$1,444 USD 在15天之内
0.0 (0条评论)
0.0
0.0
用户头像
I am an blockchain+crypto+ethereum developer and I can develop your project. I have worked with ERC20 tokens, wallets, Raiden, etc and can handle your project with ease. Worked with ERC20 tokens, wallets, Raiden, MetaMask. I have developed Dapps (Decentralised applications) on ethereum and helped companies launch their ICOs also. I have demos ready to display.
$1,250 USD 在20天之内
0.0 (0条评论)
0.0
0.0

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BRAZIL的国旗
São Paulo, Brazil
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会员自1月 9, 2019起

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