You will get Full Stack Developer for SaaS MVP | React + Node.js | Rapid Launch


Project details
As a Full Stack Developer, I build robust REST APIs and integrate third-party services that power modern applications. Whether you're creating an API for mobile apps, IoT devices, or frontend integrations, I design endpoints with scalability, security, and speed in mind.I specialize in Node.js and Express.js for backend development, implementing best practices like token-based authentication, error handling, and database optimization. My APIs are tested, documented, and ready for production immediately.Beyond building APIs, I integrate your system with Stripe, Zapier, SendGrid, and other platforms-automating workflows and reducing manual overhead. Every API includes comprehensive documentation, Postman collections, and SDKs where applicable.
Programming Languages
HTML & CSS, JavaScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$1,500
|
Standard
$2,000
|
Advanced
$3,000
|
|---|---|---|---|
| Delivery Time | 10 days | 16 days | 25 days |
Number of Revisions | 0 | 0 | 0 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - | - | - |
About Nasir Uddin
Full Stack Developer | SaaS MVP & AI Agents (Next.js, React, Node.js)
Gilgit, Pakistan - 4:25 am local time
Specializing in AI Agents, LLM-powered applications, and automation systems, I integrate OpenAI, ChatGPT, and Claude APIs to build intelligent features like chatbots, workflow automation, content generation tools, and AI assistants that improve productivity and scale businesses.
With strong expertise in full-stack development, I build complete solutions from frontend to backend, including architecture design, APIs, databases, authentication, and cloud deployment. Every application is designed to be secure, scalable, and performance-optimized.
Core Expertise:
• SaaS MVP Development (from idea to launch)
• AI Agents & LLM Applications
• OpenAI / ChatGPT / Claude API Integration
• Full Stack Web Development
• Next.js & React.js Frontend Development
• Node.js & Express.js Backend Development
• REST APIs & System Architecture
• Database Design (PostgreSQL, MySQL, MongoDB)
• Authentication & User Management Systems
• Stripe & Payment Integration
• Dashboard & Admin Panel Development
• Cloud Deployment (Vercel, AWS)
• Performance Optimization & Technical SEO
Tech Stack:
Next.js, React, Node.js, TypeScript, JavaScript, Express.js, PostgreSQL, MySQL, MongoDB, Prisma, Tailwind CSS, REST APIs, OpenAI, Claude AI, Stripe, AWS, Vercel, GitHub.
I focus on building real-world, scalable SaaS products and AI systems that help businesses automate processes, reduce manual work, and launch faster with clean, maintainable code.
Steps for completing your project
After purchasing the project, send requirements so Nasir Uddin can start the project.
Delivery time starts when Nasir Uddin receives requirements from you.
Nasir Uddin works on your project following the steps below.
Revisions may occur after the delivery date.
Requirement Analysis
Understand API goals, endpoints, data flow, and integrations.
PI Architecture Design
Plan scalable routes, structure, and performance strategy.