I will build scalable node js apis and web3 blockchain backend

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Sold by Hammad •Full-Stack AI Engineer | SaaS & Backend Systems Total sales 0

I'm a Full-Stack Developer specializing in backend development, API architecture, and blockchain infrastructure. I build secure, maintainable, and production-ready backend systems using modern technologies and best development practices.

Whether you need a backend for a SaaS platform, Web3 application, crypto project, or custom web application, I can deliver a reliable solution tailored to your requirements.

What is included in the basic service
Node.js and Express.js backend development
REST API development
MongoDB or PostgreSQL database integration
JWT authentication and authorization
Clean and scalable project architecture
Error handling and validation
API testing
Well-structured and documented code

Technologies
Node.js
Express.js
NestJS (if required)
MongoDB
PostgreSQL
Redis
Docker
REST APIs
GraphQL
WebSockets
Web3.js
Ethers.js
Ideal for
Web3 applications
Blockchain platforms
SaaS products
Admin dashboards
Mobile application backends
Crypto projects
Custom API development
Basic Service Includes
One custom backend module or REST API
Up to 5 API endpoints
Database integration
One revision
Delivery within the agreed timeframe
Optional Extras

You can enhance your project with additional options such as:
Authentication system
Admin dashboard
GraphQL API
Docker deployment
Blockchain integration
Smart contract interaction
WebSocket real-time features
Additional API endpoints
Deployment and server configuration

If you're unsure which package fits your project, feel free to contact me before ordering. I'll recommend the most suitable solution based on your requirements.

I will build scalable node js apis and web3 blockchain backend

This seller is not subject to sales tax.

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About the seller

Hammad

Performance
Orders in progress 0 Total sales 0 Seller since
Orders in progress 0 Total sales 0 Seller since

I'm a full-stack engineer specializing in AI/ML integration, backend architecture, and scalable SaaS systems. I design and build production-grade applications that combine intelligent automation with robust infrastructure. What I do: AI/LLM Integration — Build and deploy AI-powered features (RAG systems, agents, fine-tuned models) into production applications Backend Architecture — Design scalable APIs, databases, microservices, and real-time systems for high-traffic SaaS Full-Stack Development — End-to-end SaaS solutions with modern frontend (React/Next.js) and backend (Node.js/Python) stacks Smart Contract Security — AI-powered vulnerability scanning for Web3 projects (founder of VulnGuard AI) Tech: Node.js, Python, React, Next.js, TypeScript, PostgreSQL, MongoDB, async systems, and LLM frameworks. Ideal for: Early-stage founders, scale-ups, and enterprises needing: AI feature development or LLM integration Backend systems redesign or optimization Full-stack SaaS builds from scratch Web3/smart contract security audits Currently leading AI/ML initiatives at USA Startup while building VulnGuard AI. Based in Pakistan, working with global clients.

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