I will build nodejs backend rest apis web3 integrations and scripts
Blockchain and AI Solutions Architect, Python, Nodejs and Web3
About this Gig
Looking for a professional Node.js developer to build a REST API, backend system, custom script, or Web3 integration?
I build scalable backend solutions using Node.js, Express.js, TypeScript, MongoDB, PostgreSQL, MySQL, REST APIs, and modern Web3 technologies.
I can help with:
Custom Node.js backend development
REST API development and integration
Node.js scripts and automation
Web3 and blockchain integrations
Ethers.js and Web3.js integration
Smart contract API integration
Wallet and blockchain integrations
MongoDB, PostgreSQL and MySQL integration
Authentication and authorization
JWT and protected APIs
CRUD APIs and business logic
Third-party API integrations
Payment API integrations
Real-time applications with Socket.IO
Existing Node.js application fixes and improvements
Deployment and API documentation
For Web3 projects, I can integrate Ethereum, BSC, Polygon and other EVM-compatible networks with your Node.js backend.
I focus on clean architecture, secure APIs, reliable business logic, scalable backend development, and well-documented code.
Whether you need a small Node.js script, REST API, Web3 integration, or complete backend system, send me your requirements and I will reco
Tools:
Geth
•
Solidity Compiler
•
Web3.js
Programming Language:
Node.js
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
Other Blockchain Development & Solutions Services I Offer
FAQ
WHAT IS THE PROCESS FOR DEVELOPING A CUSTOM NODE AND REACT WEB APPLICATION WITH YOU?
ONCE WE DISCUSS YOUR PROJECT REQUIREMENTS AND SPECIFICATIONS, I WILL START THE DEVELOPMENT PROCESS. ONCE YOU ARE SATISFIED WITH THE RESULTS, WE CAN DEPLOY THE CODE ON THE LIVE SERVER.
CAN YOU PROVIDE EXAMPLES OF PREVIOUS NODE AND REACT PROJECTS YOU'VE WORKED ON?
YES, I CAN PROVIDE YOU WITH A PORTFOLIO OF MY PREVIOUS PROJECTS UPON REQUEST.
HOW LONG DOES IT TAKE TO DEVELOP A CUSTOM MERN STACK WEB APPLICATION?
THE TIMELINE FOR DEVELOPING A CUSTOM NODE AND REACT WEB APPLICATION CAN VARY DEPENDING ON THE COMPLEXITY OF THE PROJECT. I WILL WORK CLOSELY WITH YOU TO ESTABLISH A TIMELINE THAT WORKS FOR BOTH OF US.
5 reviews for this Gig
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| (0) | ||
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
N nokib03

Bangladesh
Thank you bro
$100-$200
Price
13 days
Duration
Helpful?W 
wwwgamer

United Kingdom
Ongoing collaborationAsim has been brilliant yet again with helping us iron out a few things we needed doing. His understanding of web3/blockchain software is amazing and I would highly recommend him to anyone who is looking for someone on this platform. You're in good hands
$50
Price
9 days
Duration
Helpful?W 
wwwgamer

United Kingdom
Ongoing collaborationAs always, its been a pleasure working with you. I would recommend this Genuis when it comes to anything to do with the Blockchain, to anyone who wants a professional on their team to deliver where needed. Thank you once again
$50
Price
2 days
Duration
Helpful?W 
wwwgamer

United Kingdom
Ongoing collaborationAsim has been absolutely brilliant from the start! We would recommend his expertise and knowledge within this space to anyone. Thank you once again
$50-$100
Price
7 days
Duration
Helpful?W 
wwwgamer

United Kingdom
Ongoing collaborationAsim has been absolutely brilliant from start to finish. We're trying to launch a chunky bit of software, and he understood everything & was able to provide feedback on it. We would recommend Asim to anyone who want to learn more about the Web3 space and/or create software within it.
$50
Price
2 weeks
Duration
Helpful?
5 reviews for this Gig
| (5) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
N nokib03

Bangladesh
Thank you bro
$100-$200
Price
13 days
Duration
Helpful?W 
wwwgamer

United Kingdom
Ongoing collaborationAsim has been brilliant yet again with helping us iron out a few things we needed doing. His understanding of web3/blockchain software is amazing and I would highly recommend him to anyone who is looking for someone on this platform. You're in good hands
$50
Price
9 days
Duration
Helpful?W 
wwwgamer

United Kingdom
Ongoing collaborationAs always, its been a pleasure working with you. I would recommend this Genuis when it comes to anything to do with the Blockchain, to anyone who wants a professional on their team to deliver where needed. Thank you once again
$50
Price
2 days
Duration
Helpful?W 
wwwgamer

United Kingdom
Ongoing collaborationAsim has been absolutely brilliant from the start! We would recommend his expertise and knowledge within this space to anyone. Thank you once again
$50-$100
Price
7 days
Duration
Helpful?W 
wwwgamer

United Kingdom
Ongoing collaborationAsim has been absolutely brilliant from start to finish. We're trying to launch a chunky bit of software, and he understood everything & was able to provide feedback on it. We would recommend Asim to anyone who want to learn more about the Web3 space and/or create software within it.
$50
Price
2 weeks
Duration
Helpful?
