Find Jobs
Hire Freelancers

Javascript/Typescript backend expert needed/NFT/Opensea.io and Looksrare.org

$250-750 USD

Closed
Posted about 2 years ago

$250-750 USD

Paid on delivery
We are looking for a backend expert who can help build a portion of our chrome extension. it is a NFT related chrome extension. Thanks
Project ID: 32634989

About the project

13 proposals
Remote project
Active 2 yrs ago

Looking to make some money?

Benefits of bidding on Freelancer

Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
13 freelancers are bidding on average $721 USD for this job
User Avatar
Hello. Experienced Javascript and Typescript developer here with hands-on experience in building extensions related NFTs and Blockchain. I would like to ask the following questions relevant to your project. 1- Can you provide me with the complete scope of this project? 2- What is the core usage of this extension? 3- What sort of a portion have you referred to? 4- May I have the details for the complete tech stack for this extension? Kindly initiate the chat so we can discuss each aspect of this project thoroughly.
$750 USD in 20 days
5.0 (51 reviews)
8.2
8.2
User Avatar
Hi, there. Warm greetings. I have seen your job post and would be glad to have an opputunity to work with you on this project. I am a senior full stack backend developer with 10years of experience. I am very familiar with javascript frameworks such as node.js an react.js I also have expert knowledge of NTF markletplace and also I have developed several chorme extension. I will do my best to finish your project in the shortest time with high quality. Hope for your kind contact.
$1,250 USD in 7 days
5.0 (21 reviews)
6.2
6.2
User Avatar
Respected! I have an expert software engineers with skills including Backend Development, Node.js, Non-fungible Tokens (NFT), Typescript and JavaScript. Please ping me to discuss more regarding this project. We are rewarded with  PREFERRED FREELANCER BADGE by Freelancer.com We have more than 127+ Client reviews (feedbacks). Please see our profile and portfolio here: http://www.freelancer.com/u/Hariomtechnology.html. Thanks a lot!!
$975 USD in 8 days
5.0 (12 reviews)
5.7
5.7
User Avatar
hi. I am a backend developer and have high experience in blockchain. so I can finish your NFT related chrome extension project as soon as possible. I have lots of projects that I accomplished. I want to discuss details with you so that I can start your project right now. Look forward to answering
$500 USD in 7 days
4.8 (6 reviews)
3.9
3.9
User Avatar
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.
$250 USD in 2 days
5.0 (2 reviews)
3.8
3.8
User Avatar
Hey there, I have 4 years of working experience in web technologies and I have a strong working knowledge of every possible framework which is in the market. In terms of client-end I know: WordPress, JavaScript, HTML, Website Design, PHP and MySQL. Also I have done tons of work on freelancing career. I am waiting anxiously for a positive response from your side. And I have read your requirements as well. Please call me for my help, then I feel happy. Believe me, you will not disappointed. I will show you as actual result. I am ready to start for your project. Thanks and regards, Mikhail
$500 USD in 6 days
4.9 (3 reviews)
2.5
2.5
User Avatar
~~Blockchain & MER,VN Stack & NFT Senior Developer~~ Hello respected client! Thanks for posting. I am a senior developer have 7+ years of experience in Blockchain, Ethereum, NFT, and TradingView Chart with modern, trend technology such as React, Vue, and Node.js. 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. As a solution: - Using MEAN Stack for frontend and backend - Solidity for smart contract, and integrate with website Best regards!
$250 USD in 5 days
4.3 (4 reviews)
2.6
2.6
User Avatar
Good day, I am a .Net Full Stack developer with 8 years of web programming experience, 3 of which have been developing blockchain projects. Professionally I speak Javascript, Node.js, PHP, Swift, Microsoft .NET. My clients were both large companies and private entrepreneurs, so I am familiar with the specifics of both directions. I devote time to each customer for a consultation, where the main vector of the project and specifying points are determined. Thanks to my marketing knowledge, I will help you set up a product aimed at the target audience with a pleasant and user-friendly interface. I will take on a project of any complexity. The result of cooperation with me is a reasonable pricing policy, high quality work, consulting support for the entire project.
$700 USD in 12 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of UNITED STATES
New York, United States
0.0
0
Member since Jan 14, 2022

Client Verification

Thanks! We’ve emailed you a link to claim your free credit.
Something went wrong while sending your email. Please try again.
Registered Users Total Jobs Posted
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759) & Freelancer Online India Private Limited (CIN U93000HR2011FTC043854)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Loading preview
Permission granted for Geolocation.
Your login session has expired and you have been logged out. Please log in again.