Blockchain developer

$1500-3000 USD

Closed

Posted

about 2 years ago

$1500-3000 USD

Paid on delivery

Project: cryptocurrency payment gateways Long-term project Your skills: Main stack: ● Node.js (3+ years), Type-Script, [login to view URL], Postgres (Sequelize ORM), Mongo, REST/RPC, RMQ Crypto skills(2+ year): ● Web3 fundamentals ● Experience with Ethereum, Bitcoin(and forks), Tron, Cardano, Stellar: consensus, network practices, libs, accounting models, smart-contracts interaction features of each of the blockchains (resources, transaction scheme, etc) Base cryptography skills: ● Key-pairs generation mechanisms, HD wallets Languages: ● Ukrainian, Russian - native ● English - intermediate

Project ID: 33339399

About the project

13 proposals

Remote project

Active 2 yrs ago

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13 freelancers are bidding on average $2,458 USD for this job

@abdf2010

Hi, It is easy, I can do on time. I work online, where you can track progress of your project. I have 6 years of experience in development(websites, web applications, mobile apps, desktop applications, I/UX), using PHP, WordPress, Java, Python, JavaScript, ReactJs, Bootstrap, I can start now, please come to chat, to discuss more.

$1,500 USD in 2 days

5.0

(1 review)

3.8

@Mohammad4thD

Hey, This is Mohammad Full Stack Developer. Your Project Title is Blockchain developer Right? Yes, i am Very Interested on this Project becasue its accoridng my Main Skills. Please visit my portfolio: https://www.freelancer.com/u/Mohammad4thD please message me so we can more discussion. Regards Mohammad

$3,000 USD in 34 days

0.0

(0 reviews)

0.0

@gregtechnola9

Hello, Greetings for the Day!!! I have gone through your requirement and understood every aspect of them. I have worked on many databases from past 4 years. I can start the project on it right now. When you want this project to be completed? I will offer you seamless work with optimum quality let's talk and get it done* Thanks and regards, Vishal G

$3,000 USD in 7 days

0.0

(0 reviews)

0.0

@ntsolutions

Hello, we have 20 years of experience in design and web development, we have developed several web portals and 2 ICOs for tokens, we also work with many exchanges to obtain data on quotes, prices, etc. we are a team of coders with high skills in PHP, JS, Python, C #, Go, Solidity and we have used web3, the most useful library for connecting blockchain, this library is compatible with PHP, JS, Python, and others We suggest to use nodeJS , the most compatible and efficient version. We have created crypto charts like tradingview to show and analyze cryptos, support and resistance lines, market depth, and others, now we are working on two NFT Markets and Blockchain Games for a couple of clients on this portal (Freelancer.com), we won the project a few days ago. We chat to define the milestones of the project ...

$2,500 USD in 45 days