Stop losing users to slow, buggy websites. I build high-performance Web2 and Web3 platforms that are secure, scalable, and ready for launch. Whether you need a custom SaaS dashboard or a decentralized application, I deliver production-ready systems designed to grow your business and protect your data.
I build scalable Full-Stack platforms using Next.js and Node.js with seamless Web3 integrations.
A professional, responsive 1-3 page web application with a functional backend and database integration. Perfect for MVPs or small business tools.
- API Integration
- Database Setup
- Server Deployment
- Source Code
A scalable multi-page application including user authentication, complex logic, and basic Web3/Wallet connectivity if required.
- API Integration
- Database Setup
- Server Deployment
- Source Code
- User Authentication (JWT/OAuth)
- Web3 Wallet Integration (Solana/EVM)
- SEO & Performance Optimization
- Admin Dashboard
A complete production-ready ecosystem including complex database architecture, custom smart contracts, and high-level security audits.
- API Integration
- Database Setup
- Server Deployment
- Source Code
- User Authentication (JWT/OAuth)
- Web3 Wallet Integration (Solana/EVM)
- SEO & Performance Optimization
- Admin Dashboard
- Custom Smart Contract Development
- Advanced Security Hardening
- Unit & Integration Testing
- Architecture Documentation
- 14 Days Priority Support
Complete production-ready ecosystem. Includes complex database architectures, custom smart contracts, and high-level security audits for global scale.
- API Integration
- Database Setup
- Server Deployment
- Source Code
- User Authentication (JWT/OAuth)
- Web3 Wallet Integration (Solana/EVM)
- SEO & Performance Optimization
- Admin Dashboard
- Custom Smart Contract Development
- Advanced Security Hardening
- Unit & Integration Testing
- Architecture Documentation
- 14 Days Priority Support
- Custom Smart Contract Engineering
- Advanced Security Hardening (Audit-Ready)
- Automated Testing (Unit/Integration)
- Full System Architecture Documentation
- Scalable Cloud Infrastructure (AWS/Vercel)
- 30 Days Priority Support
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Key details about this service to help you decide. Generated by Zinn Hub, not the seller.
Value Position
Tech Stack
Web3 Support
Security Approach
Post-Launch Support
What You'll Receive
Full Description
Full Stack Engineering Solutions: Custom Scalable Systems and Web3
Service Overview and Value Proposition
I provide comprehensive full stack engineering services for businesses that require robust production grade digital infrastructure. With over 6 years of professional experience, I do not just build websites; I architect end to end systems that bridge the gap between complex backend logic and seamless frontend interfaces. My specialization lies in creating high performance Web2 platforms and modern Web3 decentralized applications that are secure, maintainable, and optimized for rapid growth. I focus on the full technical lifecycle, ensuring that every layer of your stack from the database architecture and API layer to the state management and user interface is built to last and ready for real world heavy traffic. I take a product first approach, meaning I do not just build to your specifications, but I engineer with the end user and your business goals in mind to ensure long term viability.
Core Technical Capabilities Advanced Backend Systems Engineering:
I specialize in building resilient enterprise grade backends using Node.js and Express. I focus on modular architecture, ensuring that your server side logic is clean, documented, and prepared for future microservices integration. I ensure your server can handle complex computations and high volume data processing without latency. Blockchain and Web3 Ecosystem Development: I have a proven track record of engineering secure dApps on the Solana and EVM networks. My expertise includes writing optimized smart contracts, integrating SPL tokens, and developing secure wallet to web communication protocols. Database Architecture and Optimization: I design relational and non relational database schemas using PostgreSQL, MongoDB, and Prisma. I prioritize data integrity, efficient indexing, and query optimization to ensure your system remains lightning fast even as your user database scales into the millions. Type Safe Frontend Engineering: I build reactive high performance interfaces using React, Next.js, and TypeScript. My focus is on creating reusable component libraries and robust state management systems that provide a seamless experience across all screen sizes.
Why Choose My Service
Senior level expertise is the difference between a prototype that breaks and a system that scales. Over the last 6 years, I have evolved from a developer into a system architect, having shipped diverse products ranging from complex fintech dashboards and crypto exchanges to specialized commerce platforms like Xcel Travel. My background in mechanical engineering at LAUTECH provides me with a unique analytical edge. I view every software system as a precision tuned machine where every component must be perfectly tuned for efficiency. When you hire me, you are not just hiring a coder; you are hiring a technical partner who understands how to minimize technical debt and reduce server overhead.
The Three Non Negotiable Pillars Security by Design:
I prioritize security from the first line of code. I implement industry standard encryption, secure authentication like JWT or OAuth, and perform rigorous audits to protect your platform from threats like SQL injection and smart contract vulnerabilities. Engineered Scalability: I utilize clean architecture principles to ensure your system can grow horizontally and vertically. By decoupling the frontend from the backend, I ensure that adding new features in the future does not require a total rewrite. Performance Optimization: I am obsessed with speed. I focus on optimizing Core Web Vitals, reducing API latency, and implementing server side caching to ensure your users never experience lag regardless of the load.
The Project Lifecycle Discovery and Strategy:
We deep dive into your business logic and technical requirements to create a roadmap. Architecture Design: I map out the database diagrams and API flows before a single line of code is written. Agile Development: I work in structured sprints, providing weekly updates and staging links so you can interact with the app in real time. QA and Testing: Before any code goes live, it undergoes unit testing and integration testing to ensure a professional launch. Deployment and Handover: I handle the full launch process, configure your servers, and provide a full technical walkthrough.
Deliverables and Verification
Every project includes a fully documented Git repository and a 100% responsive user interface. To see my code quality in action, you can view my live portfolio and GitHub repositories. I provide post launch support tailored to your package: 14 days for Premium and 30 days for Premium Pro, ensuring your system operates flawlessly after deployment. I am dedicated to delivering technical excellence that provides a permanent return on your investment through reliability, speed, and professional grade security.
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Compare Packages
| Feature | Basic | Standard | Premium | Premium Pro |
|---|---|---|---|---|
| Delivery Time | 4 days | 8 days | 13 days | 25 days |
| Revisions | 2 | 4 | Unlimited | Unlimited |
| API Integration | ✓ | ✓ | ✓ | ✓ |
| Database Setup | ✓ | ✓ | ✓ | ✓ |
| Server Deployment | ✓ | ✓ | ✓ | ✓ |
| Source Code | ✓ | ✓ | ✓ | ✓ |
| User Authentication (JWT/OAuth) | ✕ | ✓ | ✓ | ✓ |
| Web3 Wallet Integration (Solana/EVM) | ✕ | ✓ | ✓ | ✓ |
| SEO & Performance Optimization | ✕ | ✓ | ✓ | ✓ |
| Admin Dashboard | ✕ | ✓ | ✓ | ✓ |
| Custom Smart Contract Development | ✕ | ✕ | ✓ | ✓ |
| Advanced Security Hardening | ✕ | ✕ | ✓ | ✓ |
| Unit & Integration Testing | ✕ | ✕ | ✓ | ✓ |
| Architecture Documentation | ✕ | ✕ | ✓ | ✓ |
| 14 Days Priority Support | ✕ | ✕ | ✓ | ✓ |
| Custom Smart Contract Engineering | ✕ | ✕ | ✕ | ✓ |
| Advanced Security Hardening (Audit-Ready) | ✕ | ✕ | ✕ | ✓ |
| Automated Testing (Unit/Integration) | ✕ | ✕ | ✕ | ✓ |
| Full System Architecture Documentation | ✕ | ✕ | ✕ | ✓ |
| Scalable Cloud Infrastructure (AWS/Vercel) | ✕ | ✕ | ✕ | ✓ |
| 30 Days Priority Support | ✕ | ✕ | ✕ | ✓ |
Portfolio
Examples of the seller's work related to this Zinn.

Extra Information
TECH STACK & ECOSYSTEM
ENGINEERING STANDARDS
WHY HIRE ME?
Service Details
Frequently Asked Questions
i primarily build using the typescript ecosystem, specifically utilizing next.js/react for the frontend and node.js for the backend. for databases, i typically use postgresql or mongodb. if your project is web3-focused, i integrate solana (anchor) or evm protocols. however, i am flexible and can adapt the stack to fit your specific business requirements and existing infrastructure.
it is highly recommended. having a clear figma or adobe xd design allows me to move straight into the engineering phase and ensures the final product looks exactly like your vision. if you do not have a design, i can work based on a detailed feature list and reference sites, but please contact me first so we can discuss the ui/ux requirements for your project.
security is a non-negotiable pillar of my work. for web2, i implement secure jwt/oauth authentication and data encryption. for web3, i follow rigorous standards in smart contract development to prevent common vulnerabilities like reentrancy or unauthorized access. i build with audit-ready code in mind, ensuring that your user data and digital assets are protected from the start.
yes. one of the biggest advantages of hiring a senior developer is the quality of the architecture. i write clean, modular, and well-documented typescript code. i avoid "spaghetti code" and technical debt, meaning any professional developer you hire in the future will be able to read, understand, and scale the codebase without having to rewrite it from scratch.
every package comes with a specific number of revisions to ensure the final product meets the agreed-upon scope. additionally, my standard and premium pro packages include a post-launch support period (up to 30 days) where i am available to fix any bugs or handle minor adjustments to ensure a smooth transition. for long-term updates, we can discuss a monthly maintenance agreement.
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