Upwork home
Sign up
Project Catalog
DesignDesign
Video & AudioVideo & Audio
Development & ITDevelopment & IT
MarketingMarketing
Writing & TranslationWriting & Translation
MoreMore

You will get fast, smooth and reliable payment card integration by full stack developer

Madiha M.Status: Offline
Madiha M. Madiha M.
5.0
Rising Talent
Preview image

Let a pro handle the details

Buy Other Web Programming services from Madiha, priced and ready to go.
Madiha M.Status: Offline
Madiha M. Madiha M.
5.0
Rising Talent
Preview image

Let a pro handle the details

Buy Other Web Programming services from Madiha, priced and ready to go.

Project details

Greetings!
I am a full stack developer and I am a specialist in custom web and mobile application development with a strong focus on payment integration solutions. I can set up a secure, fast, and fully functional credit card integration tailored to your platform.

With a proper credit card integration, your business will be able to:

Accept payments via major debit and credit cards including Visa, Mastercard, American Express, and more
Set up and manage recurring/subscription payments with ease
Automate eCommerce workflows to create a smoother checkout experience and optimize your sales funnel

You can explore relevant payment and eCommerce projects in my portfolio as a full stack developer to see the quality of work I deliver.

Let's build a payment system your customers can trust.

Please message me before placing your order so we can discuss your specific needs and find the best solution for your project.
Web Programming Project
API Integration
Programming Languages
JavaScript, TypeScript
Coding Expertise
Security
What's included
Service Tiers Starter
$899
Standard
$1,199
Advanced
$1,499
Delivery Time 9 days 12 days 15 days
Number of Revisions
123
Source Code
-

Frequently asked questions

5.0
2 reviews
100% Complete
(2)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

AD

Ashley D.
5.00
Mar 25, 2026
Front End Developer She did great work on frontend side look forward to work more in future

RJ

Rahul J.
5.00
Jan 5, 2026
Full-Stack Engineer for SaaS It was a pleasure working with her.
Madiha M.Status: Offline

About Madiha

Madiha M.Status: Offline
Senior Full Stack Developer, Full Stack Developer Next.js Node OpenAI
100% Job Success
5.0  (2 reviews)
Islamabad, Pakistan - 2:34 am local time
🔥 Is your app losing performance? Your team stuck on a technical dead end? Or do you need a senior engineer to take full ownership of your web or mobile product from architecture to deployment? You are in the right place. 🔥

I am Madiha, a Senior Full Stack Developer and Senior React Native Developer with 6+ years of hands-on experience building scalable web applications, cross-platform mobile apps, AI-powered products, and high-performance SaaS platforms. I do not just write code. As a Full Stack Developer and React Native Developer, I architect solutions that drive measurable business outcomes for startups and growing businesses.

As Tech Lead on a microservices system processing over 500,000 API requests daily, performance bottlenecks were costing users and revenue. I optimized database queries and implemented Redis caching, bringing average response times from 850ms down to 120ms while sustaining 99.9% uptime. Leading a team of four engineers alongside professionals from Meta and Amazon, we cut code defects by 30%, making every future release faster and smoother.

🚀 As a Full Stack Developer and Senior React Native Developer, I specialize in building products that combine modern web and mobile technology with intelligent AI features. Whether you need a scalable SaaS platform, a cross-platform mobile app built with React Native, a real-time application, an AI chatbot, or a complete system overhaul, I take full ownership as a Full Stack Developer and React Native Developer and deliver with clarity at every step. 🚀

Certifications:
✅ IBM AI Engineering Professional Certificate
✅ Meta Full Stack Developer Professional Certificate

Our team has already worked in such industries as:
✅ SaaS and cloud platforms
✅ E-commerce and payment systems
✅ Healthcare and clinic management
✅ Education and LMS platforms
✅ Fintech and investment platforms
✅ Real estate and booking systems
✅ Social media and community platforms
✅ Logistics and supply chain management
✅ Restaurant and hospitality management
✅ Human resources and HRM systems
✅ Digital marketing and analytics
✅ AI and LLM powered applications
✅ Legal document automation
✅ Manufacturing and operations software
✅ Parking and facility management

Stack of technologies I use as a Full Stack Developer and React Native Developer:
✅ HTML, CSS, Tailwind CSS, Material UI, shadcn/ui
✅ JavaScript, TypeScript, React.js, Next.js, Vue.js, Redux
✅ React Native and Expo for cross-platform iOS and Android mobile app development
✅ Node.js, Express.js, Nest.js, Python, FastAPI, Flask
✅ GraphQL, RESTful APIs, WebSockets
✅ OpenAI API, LLMs, RAG pipelines, TensorFlow, Prompt Engineering
✅ PostgreSQL, MongoDB, MySQL, Redis, Firebase, Supabase, MS SQL Server
✅ AWS (EC2, S3, Lambda), Azure, Google Cloud, Vercel, Render
✅ Docker, CI/CD (GitHub Actions, Jenkins), Git, GitHub, GitLab, Bitbucket
✅ Stripe, Apple Pay, third-party API integrations
✅ Jira, Trello, Agile/Scrum, SOLID, TDD, System Design

What I Deliver as a Full Stack Developer and React Native Developer:
✔️ Cross-platform iOS and Android mobile apps using React Native and Expo
✔️ Scalable web apps and SaaS platforms
✔️ AI-powered features and LLM integrations
✔️ Custom APIs and third-party integrations
✔️ Cloud-native and microservices architecture
✔️ Real-time applications using WebSockets
✔️ E-commerce and payment gateway integration
✔️ Mobile-first and responsive design
✔️ Code review, refactoring, and technical documentation

What You Can Expect:
✔️ Clear and timely communication
✔️ High-quality, scalable, and maintainable code
✔️ On-time delivery with full transparency
✔️ A long-term, reliable partnership

Your next project deserves a Full Stack Developer and Senior React Native Developer who takes full ownership. Message me TODAY for a free consultation and let us map out exactly how I can move your project forward.

🚀 Keywords: Full Stack Developer, React Native Developer, Senior React Native Developer, React, Next.js, React Native, Expo, iOS App Development, Android App Development, Cross-Platform Mobile App, JavaScript, TypeScript, Python, Vue.js, Tailwind CSS, Material UI, shadcn/ui, MySQL, MongoDB, Node.js, Express.js, Nest.js, Mobile App Development, Web Application Development, AI Model Integration, OpenAI API, API Development, FastAPI, Supabase, RAG, Chatbot, AI App Development, CI/CD, GraphQL, REST API, Firebase, AI Prompt Engineering, AWS, Docker, Azure, Vercel, Netlify, AWS Lambda, Stripe, Apple Pay, SaaS, Full Stack Development 🚀

Steps for completing your project

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

Delivery time starts when Madiha receives requirements from you.

Madiha works on your project following the steps below.

Revisions may occur after the delivery date.

Inform

Inform me about your project needs via message

Buy

Purchase my project to get me start working on it

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