You will get a full stack SaaS web application with MERN, Next.js, AI,API integrations

Project details
Looking for a reliable developer to turn your idea into a scalable SaaS product? You've come to the right place.
I develop modern, secure, and high-performance full stack web applications using MERN Stack, Next.js, React, Node.js, Python, and AI technologies. Whether you're building an MVP, internal business platform, customer portal, CRM, marketplace, or subscription-based SaaS, I'll deliver a solution tailored to your business goals.
My services include responsive UI development, secure authentication, admin dashboards, database architecture, REST API development, third-party API integrations, AI-powered features, payment gateway integration, cloud deployment, and performance optimization.
I focus on clean code, scalability, security, and excellent user experience to ensure your application is ready for real-world use.
Technologies
React • Next.js • MERN • Node.js • Python • FastAPI • MongoDB • PostgreSQL • OpenAI • Stripe • Docker • AWS
Let's build your next successful web application.
I develop modern, secure, and high-performance full stack web applications using MERN Stack, Next.js, React, Node.js, Python, and AI technologies. Whether you're building an MVP, internal business platform, customer portal, CRM, marketplace, or subscription-based SaaS, I'll deliver a solution tailored to your business goals.
My services include responsive UI development, secure authentication, admin dashboards, database architecture, REST API development, third-party API integrations, AI-powered features, payment gateway integration, cloud deployment, and performance optimization.
I focus on clean code, scalability, security, and excellent user experience to ensure your application is ready for real-world use.
Technologies
React • Next.js • MERN • Node.js • Python • FastAPI • MongoDB • PostgreSQL • OpenAI • Stripe • Docker • AWS
Let's build your next successful web application.
Programming Languages
JavaScript, Python, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included $2,000
These options are included with the project scope.
$2,000
- Delivery Time 21 days
- Number of Revisions 4
- Number of Pages 20
- Design Customization
- Content Upload
- Responsive Design
- Source Code
Frequently asked questions
2 reviews
(2)
(0)
(0)
(0)
(0)
This project doesn't have any reviews.
MH
Matthew H.
Aug 22, 2026
Full-Stack AI Engineer React, Next.js, Node.js, Python, SaaS, LLM App
Nice work and fast delivery! Highly recommended for his work and design skills. He also designed the layout, and the final result was excellent.
TA
Tahira A.
Aug 6, 2026
Senior Full-Stack Developer RAG, AI, React, Next.js, Node.js, OpenAI
He did an exceptional job and delivered the project very quickly. The chatbot was accurate and met all of my requirements. Communication was excellent throughout the project, and the quality of work exceeded my expectations. I highly recommend working with him and will definitely hire him again for future projects.
About Nad
Full Stack Developer | React Node.js, Next.js, RAG AI/LLM, NLP, Python
100%
Job Success
Elgin, United States - 5:26 pm local time
Why should you hire me as your Full Stack Developer & AI Engineer?
🏆 7+ years of experience building web applications, SaaS platforms, and scalable backend systems with React, Next.js, Node.js, and Python
✅ 25+ AI systems delivered, including RAG pipelines, LLM-powered applications, AI chatbots, AI agents, and AI voice agents using Retell AI, Voiceflow, LlamaIndex, Pinecone, and OpenAI
✅ Full Stack Developer experienced in building SaaS dashboards, CRMs, admin panels, customer portals, and multi-tenant platforms with NestJS, Node.js, Express, React, and Next.js
✅ AI Engineer specializing in RAG and NLP systems, vector search, semantic retrieval, AI automation, and voice/text agents using ElevenLabs, AssemblyAI, OpenAI, and Claude APIs
✅ AI Voice Agent development for lead qualification, customer support, appointment scheduling, inbound/outbound calls, and business workflow automation
✅ Backend Developer experienced in building secure, scalable RESTful APIs, GraphQL APIs, database architectures, authentication systems, third-party integrations, and business logic
✅ End-to-end ownership: system architecture, database design, API integration, AI integration, frontend development, backend development, cloud deployment (AWS/GCP), and post-launch support
My stack:
✔️ Frontend React, Next.js, React Native, Vue.js, Angular, Flutter, HTML, HTML5, CSS, CSS3, Bootstrap, Tailwind CSS, jQuery, Responsive Design, Web Design, Web Application Development
✔️ Backend Node.js, Express.js, NestJS, Python, Django, FastAPI, PHP, Laravel, CodeIgniter, RESTful APIs, GraphQL, API Integration, Software Architecture & Design
✔️ Database PostgreSQL, MySQL, MongoDB, SQL, Redis, Supabase, Firebase, Database Architecture
✔️ AI/LLM OpenAI (GPT), ChatGPT, Claude, Gemini, LangChain, LangGraph, Vercel AI SDK, MCP, CrewAI, LlamaIndex, Pinecone, Retell AI, Voiceflow, ElevenLabs, AssemblyAI, Artificial Intelligence, Machine Learning, NLP, Neural Networks, Computer Vision, Data Science, Bot Development, AI Chatbots, AI Agents, AI Automation
✔️ AI-Assisted Dev Cursor, Claude Code, Lovable, Bolt.new, v0.dev, Replit Agent, GitHub Copilot
✔️ Automation & Integrations Make, n8n, Zapier, HubSpot, Salesforce, Airtable, Slack, Twilio, WhatsApp Business API, Webhooks
✔️ Infrastructure AWS, GCP, Azure, Docker, Kubernetes, CI/CD, GitHub Actions, Serverless Architecture
✔️ Security & Compliance OAuth, JWT, IAM, RBAC, HIPAA, HL7, FHIR
If you're looking for a Full Stack Developer, AI Engineer, Backend Developer, SaaS Developer, or AI Agent Developer who can take your product from concept to a stable, scalable production system, let's talk about what you're building.
React Developer, React Native, React js, React Native Developer, React Node, React Redux, React Js Developer, React Native expert, React angular, React Front end, Full Stack Developer, Full Stack Web Developer, Full Stack Wordpress Developer, Full Stack Web, Full Stack Development, Full Stack Php, Full Stack php Developer, Full Stack WordPress, Full Stack Web Development, Python Full Stack Developer, Python full stack developer Django, Senior full stack developer. Full-Stack Development React JavaScript HTML5 CSS 3 CSS PHP Bootstrap Vue.js HTML WordPress jQuery Python Software Architecture & Design Full-Stack Development Laravel MySQL Software Development Database Architecture API Web Application API Integration Tailwind CSS CodeIgniter SQL Angular RESTful API MongoDB React Native TypeScript Node.js ExpressJS Angular SQL Database Back-End Development AI Chatbot Chatbot Development ManyChat Chatbot Artificial Intelligence Machine Learning Neural Network Computer Vision MySQL Bot Development Natural Language Processing Data Science React PHP Node.js ExpressJS Laravel PostgreSQL SQL MySQL MongoDB Git Angular RESTful API API Integration Database Backend Development Express MongoDB TypeScript ExpressJS React Node.js MySQL MongoDB Vue.js Angular PostgreSQL Redis Firebase Supabase
Steps for completing your project
After purchasing the project, send requirements so Nad can start the project.
Delivery time starts when Nad receives requirements from you.
Nad works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements & Project Planning
I'll discuss your business goals, required features, design preferences, and technical requirements before creating the project roadmap.
Design & Full Stack Development
I'll develop your application with a modern UI, secure backend, database, APIs, authentication, and all requested features.