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You will get MERN Stack Developer | React Developer | ReactJS | NestJS | NextJS

Usman K.Status: Offline
Usman K. Usman K.
5.0
Top Rated
Preview imagePreview image

Let a pro handle the details

Buy Web Application Programming services from Usman, priced and ready to go.
Usman K.Status: Offline
Usman K. Usman K.
5.0
Top Rated
Preview imagePreview image

Let a pro handle the details

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

Project details

Are you looking for a skilled MERN stack or React developer for your SaaS project? Look no further! I specialize in creating dynamic and interactive web applications tailored to your unique needs. With extensive experience in the MERN stack, React, and various other technologies, I can bring your web application idea to life.

My expertise includes:
 • HTML & CSS
 • MERN Stack (MongoDB, ExpressJS, ReactJS, NodeJS, NextJS, NestJS)
 • ReactJS & ReduxJS
 • Firebase
 • Material UI

What I can do for you:
 • Convert designs to code: Turn XD/Figma designs into pixel-perfect, responsive UIs.
 • API development: Create and manage APIs for your application's backend.
 • Front-end integration: Implement API integration on the front end.
 • RESTful APIs: Develop or fix RESTful APIs.
 • Quality assurance: Ensure optimal performance and security.
 • Containerization: Use Docker for seamless deployment and scalability.
 • Version control: Implement Git for collaborative development and codebase management.

Experience across industries:
I have worked on custom web apps for food, medical, real estate, tourism, educational, and digital marketing sectors.
Programming Languages
HTML & CSS, JavaScript, TypeScript
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Design
What's included
Service Tiers Starter
$100
Standard
$450
Advanced
$850
Delivery Time 1 day 5 days 10 days
Number of Revisions
15Unlimited
Number of Pages
1510
Design Customization
-
-
-
Content Upload
-
-
-
Responsive Design
-
-
-
Source Code
-
-
-
Optional add-ons You can add these on the next page.
Additional Revision
+$50
Additional Page (+ 2 Days)
+$100
Design Customization (+ 1 Day)
+$80
5.0
23 reviews
100% Complete
(23)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

ZB

Zac B.
5.00
Apr 26, 2026
LMS editing, email subscription & promo code set up Usman was amazing as usual! We have used Usman for a lot of work on our platform and he never disappoints! Always a pleasure to work with!

IA

Ismael A.
5.00
Apr 6, 2026
Hockey Website Platform

ZB

Zac B.
5.00
Mar 13, 2026
LearnWorlds Expert: Custom Integration for School/Homeschool Tiered Subscriptions Usman has been exceptional to work with! He has been nothing short of amazing! His skill and expertise are of a far greater standard than anyone else I have worked with on Upwork. All of my requests and recommendations were received quickly and implemented almost immediately. I will be using Usman again for all further developments on my LMS.

AA

Abdulrahman A.
5.00
Dec 31, 2025
Full-Stack Developer Needed for Quiz Platform (Next.js and Supabase are preferred) Usman is responsible developer, committed with good communication level. For sure will consider to work with him again and again.

AN

Angelina N.
5.00
Nov 17, 2025
Supabase + React Developer for SaaS AI Platform (+ Cursor AI)
Usman K.Status: Offline

About Usman

Usman K.Status: Offline
Full Stack Developer | Next.js, React, Node.js, Supabase, AI MVP, AWS
100% Job Success
5.0  (23 reviews)
Rahim Yar Khan, Pakistan - 4:15 am local time
You need a fast, scalable, revenue-ready SaaS MVP that stands out globally? I'm Usman, a senior full-stack developer expert in React.js, Next.js, Supabase, Node.js, AI integrations (LLM, OpenAI, n8n Automation), AI tools (Cursor, Claude, Lovable), and MERN.

I help founders build web applications that load up to 3× faster, scale reliably, and improve conversion and retention.

🔹 What I Specialize In:
✅ Frontend: React.js, Next.js, Vite, Redux, TypeScript, Tailwind CSS, WordPress, JavaScript, GSAP, Adalo, Fabric.js, Tiptap editor, Web Development, Webflow

✅ Backend & Automation: Node.js, Supabase (Auth, Database, Storage), Express.js, Nest.js, Hocuspocus Yjs, n8n, Zapier, Make, Webhooks, Web Application

✅ APIs & AI Integrations: LLMs, LangChain, RAG, OpenAI, Twilio, Elevenlabs, Chatbots (Vapi), RAG, SDKs, NLP, OCR, RESTful APIs, GraphQL, Shopify Storefront, Stripe, Hugging Face

✅ AI Dev Tools & Vibe Coding: Cursor, Claude, Lovable, GitHub Copilot, Replit, Bolt, Base44

✅ Database: Supabase, MongoDB, PostgreSQL, Firebase

✅ Realtime Features: Socket IO, WebRTC, Supabase Realtime

✅ Mobile: React Native, Expo

✅ Cloud & Devops: AWS (EC2, S3, Lambda), Vercel, Cloudflare, Netlify, Docker, Nginx, GCP, Azure, Apache, SSL Certbot, SSH, CI/CD, Github, Gitlab

💡 No code, no brand?
No problem. I'll take your vision from zero to launch-ready, complete with sleek UI/UX, scalable infrastructure, and smart AI features that give you a competitive edge.

📈 Outgrown your current tech stack?
I'll refactor, optimize, and upgrade your application with modern frameworks (Next.js, Node.js, Supabase) and AI (OpenAI, LLMs, LangChain, SDKs) capabilities, turning bottlenecks into breakthroughs.

🎯 Industries I have worked with:
Fintech, Crypto/Trading, SaaS, E-commerce, Healthcare, Real Estate, EdTech, Sports, GPS Tracking, and many more

🔹 What You Get:
✅ Full-cycle Web development from idea to launch
✅ Clean, scalable, maintainable code using Next.js, Node.js
✅ AI-powered features and smart automation
✅ Seamless third-party API integrations
✅ Payment gateway setup (Stripe, PayPal, Crypto, Razorpay, Local Bank, etc)
✅ Real-time chat, tracking, and live updates
✅ Mobile-responsive, fast-loading interfaces
✅ Bug fixes, optimization, and ongoing support

🚀 Why work with me?
⭐You get 1 expert who handles everything - Design to Deployment. No coordination headaches.
⭐ I believe technical skills are only half the job. The other half? Communication. Here's how I make sure we're always on the same page:
- Daily 2-minute Loom updates or written Progress report
- 4-hour US/EU timezone overlap
- Clean, documented code
- Focus on long-term partnership

𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝘀𝘁𝗮𝗿𝘁? Check out my portfolio below or click the
green 'Invite' button. I offer a FREE 15-minute architectural review to ensure we are the right fit before we start.

Thanks,
Usman Khalid

Right Keywords to find me:
React, React.js, React Native, Node.js, Node, Next.JS Next JS, Javascript, Typescript, Supabase, Firebase, Figma, LLMs, OpenAI, ChatGPT, Gemini, Express.js, Nest.js, Docker, Github, Linear, Trello, Slack, PSD, XD, Web Development, HIPPA, GSAP, Framer motion, GDPR, QA, Web Application, Web Design, Website Design, Wordpress, Shopify Storefront, Tailwind CSS, HTML, CSS, Shadcn, N8n, Make, API, API Development, API integration, Adalo, npm, monorepo, polyrepo, Bootstrap, Frontend, Backend, Bug Fixiation, Prompting, RLS, Auth, MERN Stack, Stripe, Paypal, Vercel, Netlify, Amazon Web Services, AWS, WebRTC, Tiptap, Crypto bot, Chatbot, Ui/Ux, LLM, Azure, Zustand, Redux, Airtable, AI Developer, MVP, SaaS, Lambda, Third party API, Blockchain, Wordpress, Php, Headless CMS, Cypress, Jest, Cursor, Lovable, Gemini, Claude, GitHub Copilot, Replit, Bolt, Base44, puppeteer, pdf generation, pdf.js, fabric.js, electron.js, MERN, Hugging Fcae, Webflow, AI powered Automation

Steps for completing your project

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

Delivery time starts when Usman receives requirements from you.

Usman works on your project following the steps below.

Revisions may occur after the delivery date.

Frontend

backend

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