You will get Stripe Payment & Subscription Integration for SaaS Apps
Project details
You will get:
• A Secure Stripe Integration: A production-ready payment flow (Checkout or Elements) tailored to your specific SaaS or web app requirements.
• Automated Subscription Logic: Full management of billing cycles, upgrades, cancellations, and trial periods without manual intervention.
• Real-time Webhook Synchronization: A robust backend system (Node.js/NestJS) that stays perfectly in sync with Stripe events for instant user access.
• SCA & PCI Compliance: Best-practice security implementation to handle 3D Secure and protect sensitive customer payment data.
• Comprehensive Error Handling: Logic to manage declined cards, expired trials, and payment failures to minimize churn.
• Rigorous Testing & Handover: A fully tested system using the Stripe CLI, plus a walkthrough of your dashboard to ensure you’re ready to scale.
• A Secure Stripe Integration: A production-ready payment flow (Checkout or Elements) tailored to your specific SaaS or web app requirements.
• Automated Subscription Logic: Full management of billing cycles, upgrades, cancellations, and trial periods without manual intervention.
• Real-time Webhook Synchronization: A robust backend system (Node.js/NestJS) that stays perfectly in sync with Stripe events for instant user access.
• SCA & PCI Compliance: Best-practice security implementation to handle 3D Secure and protect sensitive customer payment data.
• Comprehensive Error Handling: Logic to manage declined cards, expired trials, and payment failures to minimize churn.
• Rigorous Testing & Handover: A fully tested system using the Stripe CLI, plus a walkthrough of your dashboard to ensure you’re ready to scale.
Programming Languages
JavaScript, Python, TypeScriptWhat's included
| Service Tiers |
Starter
$100
|
Standard
$200
|
Advanced
$500
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 6 days |
Number of Revisions | 1 | 1 | 0 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | |||
Source Code |
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KL
Kevin L.
Jul 25, 2022
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Eric O.
Feb 25, 2021
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Suzy G.
Feb 1, 2021
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Youssef is a talented designer. He took the scope of the job and completed it quicker than expected. Really grateful to have found him on Upwork.
FK
Farah K.
Jan 25, 2021
High res logo
Youssef was extremely reliable, friendly and on point. delivered greatly and ahead of the time frame.
Will be a pleasure working with him on future projects adn very highly recommend his skills.
Will be a pleasure working with him on future projects adn very highly recommend his skills.
About Youssef
Senior Software Engineer
Sousse, Tunisia - 3:26 pm local time
I’m a Senior Software Developer with hands-on experience building and leading multi-tenant SaaS platforms. I specialize in full stack JavaScript development (MERN stack), backend architecture with NestJS, and advanced integrations including WhatsApp (Meta API) and AI-powered workflows.
Core Expertise:
• Full Stack Development (Next.js, React, Node.js, NestJS)
• SaaS Architecture & Multi-Tenant Systems
• WhatsApp Business API & Meta Integrations (webhooks, messaging flows, automation)
• REST APIs & Scalable Backend Design
• PostgreSQL & MongoDB (schema design, optimization, migrations)
• AI-driven features & automation workflows
• Vercel deployment & cloud hosting
• CI/CD pipelines, Docker, production optimization
What makes me different:
I don’t just write code, I design systems that scale.
I focus on clean architecture, maintainable code, and performance from day one.
I understand business logic, edge cases, and real-world production constraints.
I’ve built:
Multi-tenant SaaS platforms with role-based access control
WhatsApp-based automation systems integrated with Meta APIs
AI-assisted applications and chat-based workflows
Real-time systems using WebSockets
Performance-optimized backend systems with advanced database indexing
I’m comfortable owning features end-to-end: Planning → Architecture → Development → Deployment → Monitoring
If you're looking for a reliable Full Stack Developer who understands SaaS products, WhatsApp integrations, and scalable backend systems let’s talk.
Steps for completing your project
After purchasing the project, send requirements so Youssef can start the project.
Delivery time starts when Youssef receives requirements from you.
Youssef works on your project following the steps below.
Revisions may occur after the delivery date.
Architecture & Secure Environment Setup
I analyze your billing logic and configure your Stripe Dashboard. I’ll set up secure API keys and define your product/subscription tiers in your backend (NestJS/Node.js) to ensure a scalable, PCI-compliant foundation.
Core Integration & Webhook Synchronization
I’ll build the payment flow and secure webhook endpoints. This ensures your database stays perfectly synced with Stripe in real-time, automatically granting or revoking user access based on successful payments or failed renewals.