You will get Stripe subscriptions, Checkout, customer portal, and webhooks
Project details
I will integrate Stripe billing into your SaaS or web application with a clean, reliable, and production-ready backend flow.
This can include Stripe Checkout, subscription plans, customer portal, webhook handling, payment status synchronization, failed payment handling, cancellation handling, and backend access control based on subscription status.
This project is best for SaaS founders, startups, and product teams that need Stripe connected correctly to their application database, user accounts, and paid product features.
I focus on correctness, webhook reliability, clean environment configuration, and billing state consistency between Stripe and your application.
This can include Stripe Checkout, subscription plans, customer portal, webhook handling, payment status synchronization, failed payment handling, cancellation handling, and backend access control based on subscription status.
This project is best for SaaS founders, startups, and product teams that need Stripe connected correctly to their application database, user accounts, and paid product features.
I focus on correctness, webhook reliability, clean environment configuration, and billing state consistency between Stripe and your application.
Programming Languages
JavaScript, Python, TypeScriptWhat's included
| Service Tiers |
Starter
$300
|
Standard
$800
|
Advanced
$1,500
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 14 days |
Number of Revisions | 1 | 2 | 3 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Optional add-ons
You can add these on the next page.
Extra Stripe plan
(+ 1 Day)
+$150
Production setup
(+ 2 Days)
+$250Frequently asked questions
About Nguyen Quang
Python Backend Engineer | FastAPI, AI/LLM APIs, Stripe, SaaS
Ho Chi Minh City, Vietnam - 5:02 am local time
I specialize in backend-heavy SaaS work where reliability, billing correctness, authentication, API integration, and production behavior matter.
Core services:
• FastAPI backend development
• OpenAI / Gemini / LLM API integration
• Stripe Checkout, subscriptions, Customer Portal, and webhooks
• Firebase Auth, JWT, protected API routes, and tenant-scoped access
• Third-party API integrations and automation workflows
• PostgreSQL, SQLAlchemy, Docker, Google Cloud Run, CI/CD, logs, and error handling
Steps for completing your project
After purchasing the project, send requirements so Nguyen Quang can start the project.
Delivery time starts when Nguyen Quang receives requirements from you.
Nguyen Quang works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements
Review your app stack, pricing model, Stripe setup, and billing requirements.
Design
Design the Checkout, subscription, customer portal, and webhook flow.