You will get Back-End Developer | Node.js, APIs, MongoDB, AI Integration"


Project details
I will integrate third-party or custom APIs into your web or mobile application with a secure and scalable back-end using Node.js and Express. Whether it's a payment gateway, AI tool, email service, or any RESTful/GraphQL API — I ensure clean code, smooth functionality, and proper error handling.
✅ What’s Included:
✅ Integration of RESTful or GraphQL APIs
✅ Support for secured APIs (API keys, OAuth2, JWT)
✅ Node.js + Express.js back-end setup
✅ MongoDB or SQL database connection (if needed)
✅ Environment variables for key protection (.env)
✅ Full testing using Postman
✅ Error handling & response management
✅ API documentation (optional)
✅ Clean, maintainable code delivery
✅ What’s Included:
✅ Integration of RESTful or GraphQL APIs
✅ Support for secured APIs (API keys, OAuth2, JWT)
✅ Node.js + Express.js back-end setup
✅ MongoDB or SQL database connection (if needed)
✅ Environment variables for key protection (.env)
✅ Full testing using Postman
✅ Error handling & response management
✅ API documentation (optional)
✅ Clean, maintainable code delivery
What's included
| Service Tiers |
Starter
$70
|
Standard
$149
|
Advanced
$450
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 4 days |
Number of Revisions | 1 | 3 | 5 |
Number of Pages | 2 | 3 | 5 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - | - | - |
About Khawaja
MERN Stack | React.js & Next.js Expert | Node.js | AI-Powered
Lahore, Pakistan - 8:30 pm local time
I specialize in MERN (MongoDB, Express, React, Node.js) and MEAN (MongoDB, Express, Angular, Node.js) stacks, delivering SEO-friendly, mobile-responsive, and future-proof solutions.
Beyond coding, I bring DevOps & Cloud expertise with AWS, Microsoft Azure, Docker, and CI/CD pipelines, ensuring smooth deployments, high availability, and scalable architecture.
✨ My Clients Appreciate
✅ Clean, well-documented, and maintainable code
✅ SEO-friendly, mobile-first, and responsive designs
📈 Regular progress updates & live demos
💬 Free consultation before project start
🛠 3 months free post-launch support
⏰ 24/7 availability for urgent support
🌐 Platforms I Work On
📌 Web Applications → SaaS, Admin Panels, Portals, Dashboards
📌 E-commerce Platforms → Single vendor & multi-vendor marketplaces
📌 APIs & Microservices → REST & GraphQL, high-traffic APIs
📌 Cloud Deployments & CI/CD → AWS, Azure, Vercel, Netlify, Render, DigitalOcean, Hostinger
💻 Technologies & Tools
🔹 Frontend Development
➳ React.js / Next.js (with TypeScript) → SEO-optimized, mobile-first apps
➳ Angular (Latest Versions) → Enterprise-ready frontends
➳ Tailwind CSS, Material UI, Bootstrap → Modern UI/UX
➳ State Management → Redux, Context API, NgRx
🔹 Backend Development
➳ Node.js & Express.js → Robust APIs & microservices
➳ GraphQL → Flexible data fetching for complex apps
➳ Authentication & Security → JWT, OAuth 2.0, RBAC
🔹 Databases
➳ MongoDB, PostgreSQL, MySQL → Optimized schema & indexing
➳ Database scaling for high-performance apps
🔹 E-commerce & API Integrations
➳ Stripe, PayPal, Razorpay → Secure multi-currency payments
➳ Third-Party APIs → Shipping, Social Media, CRM, Analytics
➳ Custom APIs tailored for SaaS & mobile apps
🔹 DevOps & Cloud
➳ AWS, Azure, DigitalOcean → Scalable deployments
➳ Docker & Containerization → Portable apps
➳ GitHub Actions, Bitbucket Pipelines → CI/CD automation
🏆 Key Accomplishments
✅ Multi-Vendor E-commerce Platform → 10K+ daily users, real-time sync
✅ Real-Time Chat App → 5K+ concurrent users with WebSockets
✅ API Gateway → 1M+ daily requests with optimized caching
✅ Healthcare Telemedicine Platform → HIPAA-compliant video consultations
✅ SaaS Dashboards & Admin Panels → Advanced analytics & automation
🌟 Industries I Serve
📌 E-commerce & Retail → Marketplaces, online stores
📌 Fintech & Payments → Wallets, payment gateways
📌 Healthcare & Telemedicine → EMRs, video consultations
📌 SaaS & B2B Platforms → Dashboards, reporting tools
📌 Real Estate & Bookings → Listings & property management
🚀 Deliverables
✅ Clean, scalable & maintainable codebase
✅ SEO-optimized & mobile-responsive applications
✅ Agile workflow with milestone-based delivery
✅ Free initial consultation & project scoping
✅ 3 months free post-launch support
✅ NDA & enterprise-grade security
🔑 Keywords to Connect with Me
MERN Stack Developer | Full Stack Developer | React Developer | Node.js Developer | MongoDB | PostgreSQL | MySQL | GraphQL | API Development | SaaS Developer | Cloud Deployment | AWS | Azure | Docker | CI/CD | Stripe Integration | PayPal Integration | Razorpay Integration | SEO-Friendly Websites | Responsive Web Design | E-commerce Development | REST APIs | Microservices | SaaS Dashboards | Real-Time Applications | WebSockets
⚡ Let’s Build Your Digital Product
Looking for a MERN Stack Developer who can deliver scalable, SEO-friendly, and business-focused applications?
📩 Let’s schedule a free consultation and bring your vision to life
Steps for completing your project
After purchasing the project, send requirements so Khawaja can start the project.
Delivery time starts when Khawaja receives requirements from you.
Khawaja works on your project following the steps below.
Revisions may occur after the delivery date.
API Documentation or Endpoint Details
(Provide full API docs or links, including base URL, routes, methods
Authentication Info
API key, token, OAuth credentials, etc. if required