I build scalable full-stack applications and secure blockchain solutions, from high-performance Web2 platforms to production-ready dApps and smart contracts on Ethereum and Solana. My service covers everything end-to-end, backend architecture, real-time systems, and seamless Web3 integrations, so you get a complete, reliable product without the hassle. With a strong focus on performance, security, and clean system design, I ensure your product is built to scale and stand out.
I will build scalable full-stack and Web3 dApps with secure smart contracts
Perfect for small tasks, simple applications, or standalone smart contracts to get you started quickly. - Charges may vary depending on project complexity.
- Simple frontend or backend OR single smart contract
- Basic API or UI functionality
- Wallet integration (if Web3)
- Clean, readable code
- Basic documentation
Ideal for MVPs and growing projects needing a complete full-stack solution or Web3 integration. - Charges may vary depending on project complexity.
- Full-stack app (frontend + backend)
- Database integration (MongoDB / Postgres)
- Authentication (JWT or wallet-based)
- Smart contract integration OR advanced backend features
- REST/GraphQL APIs
- Responsive UI
- Testing (basic unit/integration)
- Deployment-ready setup
Best for full-scale, production-ready Web2 + Web3 applications with advanced features and scalability. - Charges may vary depending on project complexity.
- Complete end-to-end application (frontend + backend + blockchain)
- Smart contract development (Solidity/Rust)
- Advanced Web3 integrations (multi-chain, complex logic)
- Real-time features (WebSockets, event-driven systems)
- Scalable architecture (microservices, caching, queues)
- Performance & gas optimization
- Full testing suite (backend + smart contracts)
- Dockerized deployment + cloud-ready setup
- Detailed documentation + support
Request a Custom Offer
Log In to Request a Custom Offer
Create a free account or log in to request a personalised offer from this Zinner.
Log In / RegisterAsk a Pre-Sale Question
Log In to Ask a Question
To reduce platform spam, pre-sale messages can only be sent by logged-in users.
Create a free account or log in to message this Zinner directly.
Log In / RegisterAt a Glance
Key details about this service to help you decide. Generated by Zinn Hub, not the seller.
Value Position
Tech Stack
Blockchain Support
Delivery Type
Best For
What You'll Receive
Full Description
Full-Stack & Blockchain Development Service (Web2 + Web3)
💡 What I Offer
I build scalable, production-ready applications combining the best of Web2 and Web3. Whether you need a robust backend system, a modern web app, or a fully functional dApp with smart contracts, I deliver end-to-end solutions, from idea to deployment.
You get a complete product, not just code.
📦 What You Will Receive (Deliverables)
-
✅ Full-stack Web Application (Frontend + Backend)
-
✅ Secure Smart Contracts (Solidity / Rust)
-
✅ Web3 Integrations (Wallets, transactions, on-chain data)
-
✅ REST / GraphQL APIs + Real-time systems (WebSockets)
-
✅ Database design (Postgres / MongoDB)
-
✅ Authentication & Authorization (JWT, OAuth, Wallet-based login)
-
✅ Testing (unit + integration for backend & smart contracts)
-
✅ Deployment (Docker, cloud-ready setup)
-
✅ Clean, maintainable, production-grade codebase
-
✅ Documentation + setup guide
⚙️ My Development Process (Step-by-Step)
1. Requirement Understanding
-
Deep dive into your idea
-
Define scope, features, and technical approach
-
Suggest improvements based on scalability & UX
2. System Design
-
Backend architecture (microservices / monolith)
-
Database schema & APIs
-
Smart contract design (if Web3 involved)
3. Development
-
Frontend (React / Next.js)
-
Backend (Node.js / Nest.js)
-
Smart contracts (Solidity / Rust + Anchor)
4. Integration
-
Connect frontend ↔ backend ↔ blockchain
-
Wallet integration (MetaMask, Solana wallets)
-
Real-time features if required
5. Testing & Optimization
-
Smart contract testing (Mocha, Chai)
-
API & system testing
-
Gas optimization & performance tuning
6. Deployment
-
Dockerized apps
-
Cloud deployment support
-
CI/CD guidance (if needed)
7. Handover & Support
-
Full documentation
-
Walkthrough of the system
-
Post-delivery support
📊 Packages Overview
🟢 Basic Package
-
Simple Web2 app or small smart contract
-
Basic frontend + backend OR standalone contract
-
Ideal for MVPs or small features
🟡 Standard Package
-
Full-stack app with backend APIs
-
Web3 integration OR advanced backend features
-
Authentication + database + deployment setup
🔴 Premium Package
-
Complete Web2 + Web3 product
-
Smart contracts + dApp + backend system
-
Real-time systems, microservices, scaling support
-
Advanced features (AI integrations, Kafka, caching, etc.)
⏱️ Turnaround Time
-
Basic: 3–7 days
-
Standard: 1–3 weeks
-
Premium: 3–6+ weeks
(Depends on complexity - I always prioritize quality over speed.)
🧠 My Experience & Qualifications
-
4+ years in full-stack and blockchain development
-
Built DeFi protocols, wallets, DEXs, staking systems, and on-chain games
-
Experience with Ethereum & Solana ecosystems
-
Strong in system design, microservices, and real-time architectures
-
Skilled in React, Next.js, Node.js, Nest.js, Solidity, Rust, Docker
-
Certified in Solana development & blockchain security programs
🌟 What Makes My Service Stand Out
-
Security-first approach (especially for smart contracts)
-
Performance optimized systems (fast APIs, low gas usage)
-
End-to-end ownership (no need to hire multiple developers)
-
Product thinking (I suggest improvements, not just execute)
-
Clean & scalable architecture (ready for real users)
-
Clear communication & reliable delivery
🎯 Who This Is For
-
Startups building MVPs or scalable products
-
Founders launching Web3 / DeFi / AI applications
-
Businesses needing robust backend systems
-
Anyone looking for a serious, production-grade build
If you want a developer who can turn complex ideas into real, scalable products, let’s build it.
Zinner Quality Guarantee
Every Zinner is reviewed and approved before joining the platform.
All services are backed by our quality assurance commitment.
Your payment is protected until you approve the delivered work.
Compare Packages
| Feature | Basic | Standard | Premium |
|---|---|---|---|
| Delivery Time | 7 days | 15 days | 45 days |
| Revisions | 2 | 3 | 6 |
| Project Scope | Small feature / simple app | MVP / full-stack app | Full product (Web2 + Web3) |
| Frontend | Basic UI | Responsive UI | Advanced production UI |
| Backend/API | Basic API | Full backend (REST/GraphQL) | Scalable backend (microservices) |
| Database | ✕ | ✓ | ✓ |
| Authentication | ✕ | ✓ | Multi-role, secure |
| Smart Contracts | 1 simple contract | Integration OR basic contract | Advanced contracts (Solidity/Rust) |
| Web3 Integration | Basic wallet connect | Full dApp integration | Advanced multi-chain |
| Real-time Features | ✕ | Optional | ✓ |
| Testing | Basic | ✓ | Full suite |
| Performance Optimization | ✕ | Basic | Advanced (scaling + gas) |
| Deployment | Basic guidance | ✓ | Docker + Cloud ready |
| Documentation | Basic | Standard | Detailed |
Extra Information
Tech Stack I Use
Communication & Workflow
Service Details
Frequently Asked Questions
Yes, I specialize in both. I can build full-stack Web2 applications (frontend + backend) as well as Web3 solutions including smart contracts, dApps, and blockchain integrations (Ethereum & Solana).
Absolutely. I handle everything from planning and system design to development, testing, and deployment, so you don’t need to hire multiple developers.
Yes. I develop secure, optimized smart contracts (Solidity/Rust) with proper testing and best practices to minimize risks and ensure reliability.
Yes. I design systems with scalability in mind, using clean architecture, optimized databases, and performance-focused backend systems so your app can grow smoothly.
Yes. I provide deployment-ready setups (Docker/cloud) and support after delivery for fixes, guidance, or future improvements.
A clear idea of your project, key features, and any references or requirements. Don’t worry if it’s not fully defined, I can help shape it.
I provide regular updates, stay responsive, and keep you involved throughout the process to ensure everything aligns with your expectations.
Yes, I can review, improve, or extend existing projects, whether it's fixing issues, adding features, or integrating Web3 functionality.
Customer Reviews
See what our customers say about this Zinn






