You will get Launch a Full-Stack AI SaaS App from 0 to 1 with React & GPT

Sean J.Status: Offline
Sean J.

Let a pro handle the details

Buy Web Application Programming services from Sean, priced and ready to go.
Sean J.Status: Offline
Sean J.

Let a pro handle the details

Buy Web Application Programming services from Sean, priced and ready to go.

Project details

I’ll build your AI-powered SaaS app from 0 to 1 using React, Express, and GPT. With 10+ full-stack apps built, I deliver clean, scalable code fast—perfect for startup founders and solo builders ready to launch.
Programming Languages
JavaScript, Python, TypeScript
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization
What's included
Service Tiers Starter
$250
Standard
$950
Advanced
$1,900
Delivery Time 5 days 10 days 18 days
Number of Revisions
123
Number of Pages
148
Design Customization
Content Upload
-
Responsive Design
Source Code
Optional add-ons You can add these on the next page.
Custom Domain + Deployment to Vercel/AWS (+ 1 Day)
+$150
API Documentation (Swagger/Postman) (+ 1 Day)
+$100
Extra Revision (+ 1 Day)
+$50

Frequently asked questions

Sean J.Status: Offline

About Sean

Sean J.Status: Offline
Full stack Engineer focused on Frontend development
Irvine, United States - 10:37 pm local time
🚀 Full-Stack Developer | AI SaaS Specialist | React, Next.js, FastAPI, AWS
Hi, I'm Yonghyun Jin—a seasoned full-stack developer with a passion for building AI-driven SaaS applications. I've co-founded and led the development of platforms that streamline financial operations for businesses. With over 10 full-stack projects under my belt,

🔧 Core Competencies:

- Full-Stack Development: Expertise in React, Next.js, and Tailwind for responsive front-end interfaces, coupled with FastAPI and Python for robust back-end solutions.

- AI Integration: Implemented OCR and GPT systems to automate receipt-to-transaction mapping, reducing manual input by 80%.

- Fintech Solutions: Integrated Plaid for real-time transaction syncing, efficiently handling over 2.5K items per user.

- DevOps & Deployment: Skilled in deploying scalable applications using Docker and AWS ECS, ensuring high availability and performance.

- Open Source Contributions: Actively contributed to GitLab and MUI Toolpad, enhancing frontend performance and code maintainability.​

🌟 Why Collaborate with Me?

- Proven track record in delivering end-to-end solutions that align with client goals.

- Strong communication skills with experience collaborating across time zones.

- Commitment to clean, maintainable code and best development practices.​

Let's work together to bring your vision to life with scalable, efficient, and user-friendly applications.

Steps for completing your project

After purchasing the project, send requirements so Sean can start the project.

Delivery time starts when Sean receives requirements from you.

Sean works on your project following the steps below.

Revisions may occur after the delivery date.

Requirement Review & Tech Stack Confirmation

I review your submitted requirements and confirm the stack (React, Express, GPT, etc.) based on your goals and timeline.

UI/UX + Backend Architecture Setup

I set up the frontend layout and backend structure, including routing, authentication, and database schemas.

Review the work, release payment, and leave feedback to Sean.