You will get a scalable AI SaaS app with ChatGPT integration
Project details
I build complete AI SaaS applications and ChatGPT-powered platforms designed for startups and businesses that want to launch real, scalable digital products.
This is full product engineering — covering frontend, backend, AI integration, and deployment — not just basic development or API setup.
I focus on building production-ready SaaS systems that can support real users, subscriptions, and business growth.
What you get:
Full AI SaaS application (web or mobile)
ChatGPT / OpenAI / LLM integration
Backend APIs and database setup
Authentication and user management
Admin dashboard (if required)
Scalable architecture for future growth
Deployment-ready system
Who this is for:
Startup founders building AI SaaS products
Entrepreneurs validating AI ideas
Businesses adding AI to their platform
Non-technical founders needing full execution
My focus:
I don’t just build features — I build complete product systems designed for launch and scale.
This is full product engineering — covering frontend, backend, AI integration, and deployment — not just basic development or API setup.
I focus on building production-ready SaaS systems that can support real users, subscriptions, and business growth.
What you get:
Full AI SaaS application (web or mobile)
ChatGPT / OpenAI / LLM integration
Backend APIs and database setup
Authentication and user management
Admin dashboard (if required)
Scalable architecture for future growth
Deployment-ready system
Who this is for:
Startup founders building AI SaaS products
Entrepreneurs validating AI ideas
Businesses adding AI to their platform
Non-technical founders needing full execution
My focus:
I don’t just build features — I build complete product systems designed for launch and scale.
Programming Languages
JavaScript, Python, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$299
|
Standard
$1,199
|
Advanced
$2,899
|
|---|---|---|---|
| Delivery Time | 5 days | 15 days | 28 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 2 | 6 | 12 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$80 - $400
Additional Revision
+$50
Additional Page
(+ 1 Day)
+$80
Content Upload
(+ 1 Day)
+$100
AI Feature Expansion Pack
(+ 5 Days)
+$399
SaaS Monetization System
(+ 8 Days)
+$550
Admin Dashboard & Scaling Upgrade
(+ 10 Days)
+$650Frequently asked questions
6 reviews
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OL
Omar L.
Apr 26, 2026
Stripe Solution
Hasnain is professional, knowledgeable, has excellent communication skills, patient, and is a pleasure to work with. He provided a top-notch solution in a reasonable amount of time. I could not recommend him highly enough.
EB
Elliott B.
May 11, 2023
Fixing issues and adding push notifications
I have worked with Hasnain a couple of times now and his work is excellent! He's fast to react to issues and creates great code. I will definitely be re-hiring him!
EB
Elliott B.
Apr 18, 2023
React Native Chat Implementation
Hasnain is an amazing developer and I can’t wait to contract him again on my next project. I’d highly recommend if you’re looking for someone with a great depth of knowledge in the world of app building and specifically react native. Thank you for your effective and efficient work!
EB
Elliott B.
Apr 6, 2023
App Development for TBD Lounge
I highly recommend Hasnain, he accepted my project and delivered it in a timely manner and above my expectations. I will definitely be working with him again and look forward to it.
MA
Masood A.
Dec 22, 2021
Need a react native developer
For my first time working with Husnain Z, he has been great in his communication has been frequent and clear. He has delivered my project completely and i am happy with results. This is the best service on Upwork. He's helpful in every way possible. I look forward to working with him again in the future.
About H M Hasnain
Full Stack Product Engineer for MVPs, SaaS & AI Products
Lahore, Pakistan - 12:14 pm local time
As a Full Stack Product Engineer, I specialize in building end-to-end digital products — from idea validation to production deployment. My focus is fast execution, clean architecture, and product-driven engineering decisions.
I build systems designed to scale into real, production-ready products with strong performance, reliability, and maintainability.
I specialize in fast MVP development with production-ready architecture.
⚙️ What I build
• SaaS platforms (multi-tenant, scalable systems)
• AI-powered applications (OpenAI / LLM integrations)
• MVPs for startups
• Mobile apps (iOS & Android)
• Backend systems & APIs
• Full-stack web applications
🧠 How I work
• Understand your idea and business goals
• Design scalable system architecture
• Build fast MVP iterations
• Deploy production-ready products
• Optimize for performance and scale
🚀 Why founders work with me
• Focus on real product outcomes, not just code
• Experience in SaaS, AI, and mobile product systems
• Strong product + engineering mindset
• Fast execution from idea → MVP
• Reliable long-term technical partner
🧰 Tech Stack
React • Next.js • Node.js • TypeScript • React Native • Flutter • Firebase • PostgreSQL • MongoDB • Docker • REST APIs • OpenAI / LLM APIs
Steps for completing your project
After purchasing the project, send requirements so H M Hasnain can start the project.
Delivery time starts when H M Hasnain receives requirements from you.
H M Hasnain works on your project following the steps below.
Revisions may occur after the delivery date.
Requirement Analysis
I analyze your AI SaaS idea, define system architecture, and finalize feature scope before development starts.
System & Architecture Design
I design backend structure, database, and AI integration flow for scalability and performance.