You will get AI SaaS MVP built with React, Next.js & FastAPI
Rising Talent
Project details
Turn your AI idea into a production-ready SaaS MVP that is built to scale.
Whether you're a startup founder, entrepreneur, or business looking to launch an AI-powered product, I can help you transform your concept into a modern web application using React, Next.js, FastAPI, Python, and the latest AI technologies.
I build complete AI SaaS applications—not just prototypes—including responsive frontend development, secure backend APIs, authentication, databases, dashboards, AI integrations, and deployment-ready architecture.
I can develop:
• AI Chatbots & Virtual Assistants
• LLM & RAG Applications
• AI Workflow Automation
• Document & PDF AI
• Healthcare & Business Platforms
• Admin Dashboards
• Custom APIs & Database Systems
Every project is built with clean, maintainable code, responsive design, scalability, and future growth in mind. You will receive the complete source code, structured documentation, and a solution tailored to your business goals.
If you have an idea but aren't sure how to build it, I can also help define the architecture, recommend the right technology stack, and plan the MVP before development begins.
Whether you're a startup founder, entrepreneur, or business looking to launch an AI-powered product, I can help you transform your concept into a modern web application using React, Next.js, FastAPI, Python, and the latest AI technologies.
I build complete AI SaaS applications—not just prototypes—including responsive frontend development, secure backend APIs, authentication, databases, dashboards, AI integrations, and deployment-ready architecture.
I can develop:
• AI Chatbots & Virtual Assistants
• LLM & RAG Applications
• AI Workflow Automation
• Document & PDF AI
• Healthcare & Business Platforms
• Admin Dashboards
• Custom APIs & Database Systems
Every project is built with clean, maintainable code, responsive design, scalability, and future growth in mind. You will receive the complete source code, structured documentation, and a solution tailored to your business goals.
If you have an idea but aren't sure how to build it, I can also help define the architecture, recommend the right technology stack, and plan the MVP before development begins.
Programming Languages
JavaScript, Python, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$499
|
Standard
$799
|
Advanced
$999
|
|---|---|---|---|
| Delivery Time | 10 days | 16 days | 21 days |
Number of Revisions | 2 | 3 | 5 |
Number of Pages | 5 | 10 | 15 |
Design Customization | - | ||
Content Upload | - | ||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$99 - $199Frequently asked questions
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SA
Sara A.
Dec 12, 2025
Expert Needed to Finetune Whisper Model on ASR Dataset Using LoRa
It was pleasure working with Mr.Harsh, this is my first job in upwork and I am satisfied with the results. You helped me to complete and optimise my work. Many thanks again.
About Harsh
AI Engineer | Generative AI | Full-Stack Developer | Agentic AI
Mahesana, India - 1:57 pm local time
I help startups, founders, and businesses design, build, and scale production-ready AI applications that solve real business problems. From AI Agents and Retrieval-Augmented Generation (RAG) systems to complete AI SaaS platforms, I deliver end-to-end solutions that are scalable, maintainable, and built for real-world use.
I don't just build AI models—I develop complete products. From frontend and backend development to AI integration, APIs, databases, and deployment, I ensure every component works together seamlessly to create reliable, production-ready software.
Services
AI Agents & Agentic AI
• Multi-agent systems using LangChain and LangGraph
• AI Agents with tool calling and memory
• Workflow automation and business process automation
• MCP (Model Context Protocol) integrations
• Custom AI assistants
Generative AI & LLM Applications
• OpenAI, Claude, Gemini, Llama, Qwen, and open-source LLMs
• Prompt engineering and optimization
• AI chatbots and conversational AI
• LLM integration and orchestration
• AI-powered business applications
RAG & Knowledge Systems
• End-to-end Retrieval-Augmented Generation (RAG)
• Vector databases (Pinecone, FAISS, ChromaDB)
• Document intelligence and semantic search
• Enterprise knowledge assistants
• Custom document Q&A systems
Full-Stack AI Development
• React.js and Next.js
• FastAPI and Node.js
• REST APIs and backend development
• PostgreSQL and database design
• AI SaaS platforms
• Admin dashboards and web applications
Speech AI & Model Fine-Tuning
• Whisper speech-to-text systems
• Medical transcription solutions
• LoRA, QLoRA, and PEFT fine-tuning
• Hugging Face Transformers
• Domain-specific model optimization
Backend, Infrastructure & Deployment
• FastAPI microservices
• Docker and containerization
• CI/CD pipelines
• vLLM inference servers
• Production deployment
• Third-party API integrations
Why Clients Work With Me
• End-to-end AI product development
• Production-ready architecture built for scalability
• Clean, maintainable, and well-documented code
• Strong communication and transparent project management
• Reliable delivery with long-term support in mind
• Solutions focused on measurable business outcomes
Industries
Healthcare • SaaS • Workflow Automation • Document Intelligence • Knowledge Management • Speech AI • Internal AI Assistants • Business Process Automation
Technology Stack
Python • FastAPI • React.js • Next.js • Node.js • PostgreSQL • Docker • LangChain • LangGraph • OpenAI • Claude • Gemini • Llama • Qwen • Hugging Face • Whisper • LoRA • QLoRA • PEFT • Pinecone • FAISS • ChromaDB • Redis • REST APIs • WebSockets • Git
My Approach
Every successful AI project starts with understanding your business goals before selecting the technology. I work closely with clients to design scalable architectures, choose the right AI models, and build solutions that are reliable, cost-effective, and easy to maintain.
Whether you're building an AI SaaS platform, AI Agents, workflow automation, a RAG application, speech-to-text solution, or a complete full-stack AI product, I can help turn your idea into a production-ready solution.
Steps for completing your project
After purchasing the project, send requirements so Harsh can start the project.
Delivery time starts when Harsh receives requirements from you.
Harsh works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery & Planning
Review your requirements, define the project scope, choose the technology stack, and create a development roadmap before implementation begins.
Architecture & UI Design
Design the application architecture, database structure, API flow, and user interface to ensure scalability and maintainability.