You will get a custom full stack web application using Next.js

5.0

Let a pro handle the details

Buy Web Application Programming services from Saleem , priced and ready to go.
5.0

Let a pro handle the details

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

Project details

⭐ Every project is unique—let’s connect on Upwork to align on scope, timeline, and budget! ⭐

Looking for a fast, scalable, and secure web solution? I’m a Full Stack Developer specializing in modern frameworks and delivering high-performance web apps.

Tech Stack & Services:

✅ Frontend – React, Next.js, Angular, Vue.js
✅ Backend – Node.js, ExpressJS, NestJS, Python
✅ MERN Stack – MongoDB, Express, React, Node
✅ Custom Web Apps – Scalable, responsive, optimized
✅ API Development & Integration – RESTful APIs, Stripe, PayPal, CRM tools
✅ Database Management – MongoDB design & optimization
✅ Debugging & Performance Tuning – Speed, security, reliability

Let’s build something great—message me today to get started!
Programming Languages
HTML & CSS, JavaScript, Java
Coding Expertise
Cross Browser & Device Compatibility, PSD to HTML, Design
What's included
Service Tiers Starter
$99
Standard
$249
Advanced
$449
Delivery Time 3 days 10 days 25 days
Number of Revisions
134
Number of Pages
1410
Design Customization
Content Upload
Responsive Design
Source Code

Frequently asked questions

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AM

Anum M.
5.00
Apr 2, 2026
ReactJS Application Bug Fixing Very professional to work with, completed the task with great detail and on time. He even gave me guidance on how to proceed with efficiency. Definitely went above and beyond the scope of work that was required. HGHLY recommend!!

AM

Asim M.
5.00
Jan 27, 2026
WordPress Developer Needed for Small Changes on Existing Website Saleem is professional, communicates clearly, and delivers high quality work on time. I would definitely recommend him and work with him again.
Saleem M.Status: Offline

About Saleem

Saleem M.Status: Offline
SaaS & AI Full Stack Developer | Next.js | MERN | Node.js | React
100% Job Success
5.0  (2 reviews)
Sialkot, Pakistan - 4:16 am local time
Building a SaaS product, AI-powered application, or custom business platform?

I help startups, founders, agencies, and growing businesses design, build, and scale modern web applications using Next.js, React, Node.js, TypeScript, PostgreSQL, MongoDB, and AI technologies.

My focus isn't just writing code. I build software that solves real business problems, automates workflows, improves user experience, and scales as your business grows.

Whether you're launching a new MVP, expanding an existing SaaS platform, integrating AI into your product, or improving an existing application, I deliver production-ready solutions that are secure, maintainable, and built for long-term success.

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What I Can Build
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✔ SaaS Platforms
✔ Startup MVPs
✔ AI-Powered Web Applications
✔ Custom Business Software
✔ Admin Dashboards & Internal Tools
✔ Marketplace Platforms
✔ Booking & Scheduling Systems
✔ Workflow Automation Platforms
✔ Payment & Subscription Systems

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Core Expertise
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Frontend

• Next.js
• React.js
• TypeScript
• JavaScript
• Tailwind CSS
• HTML5
• CSS3

Backend

• Node.js
• Express.js
• REST API Development
• Authentication
• Authorization
• API Development
• Webhooks
• Background Jobs

Databases

• PostgreSQL
• MongoDB
• Supabase
• Firebase

Cloud & Deployment

• Docker
• Vercel
• Render
• Railway
• Git
• GitHub

AI Development

• OpenAI API
• AI Chatbots
• AI Assistants
• AI Workflow Automation
• Retrieval-Augmented Generation (RAG)
• Prompt Engineering
• AI Business Applications
• LLM Integrations

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Modern AI Development Workflow
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I actively use modern AI-assisted development tools to deliver features faster while maintaining production-quality code.

Experienced with:

• Cursor
• Claude Code
• OpenAI Codex
• Windsurf
• Lovable
• Replit AI

These tools accelerate development, but every feature is reviewed, tested, optimized, and refined manually before deployment to ensure clean architecture, maintainability, and reliability.

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Third-Party Integrations
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• Stripe
• OpenAI
• Firebase
• Supabase
• Google Maps
• Twilio
• SendGrid
• Resend
• Webhooks
• OAuth
• JWT Authentication
• Payment Gateways
• Email Automation

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Projects I Work Best On
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• SaaS Applications
• AI SaaS Products
• Startup MVP Development
• Business Automation Platforms
• Healthcare Applications
• Real Estate Platforms
• CRM Systems
• Internal Business Tools
• Admin Dashboards
• Multi-Tenant SaaS Platforms
• Subscription-Based Applications
• API Development
• AI Integrations

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Why Clients Work With Me
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✔ Business-first development approach
✔ Clean, scalable, and maintainable architecture
✔ Production-ready code
✔ Fast communication and regular updates
✔ Strong focus on performance and security
✔ SEO-friendly and responsive applications
✔ Long-term support and collaboration
✔ Transparent development process

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Technology Stack
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Next.js, React.js, Node.js, Express.js, TypeScript, JavaScript, MongoDB, PostgreSQL, Prisma, Tailwind CSS, REST APIs, OpenAI API, Stripe, Firebase, Supabase, Docker, GitHub, Vercel, Railway, Render, AI Chatbots, AI Automation, SaaS Development, Full Stack Development, Web Application Development, API Integration, Business Automation.

If you're looking for a developer who understands both technology and business, I'd be happy to help build, improve, or scale your product.

Let's discuss your project and build software that's reliable, scalable, and ready for real users.

Steps for completing your project

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

Delivery time starts when Saleem receives requirements from you.

Saleem works on your project following the steps below.

Revisions may occur after the delivery date.

Planning & Requirements Gathering

We'll start by discussing your goals, target audience, and specific features to ensure a clear understanding of your vision. This helps in creating a solid project plan tailored to your needs.

Design & Development

I will craft a user-friendly design, followed by developing both front-end and back-end using modern technologies. Regular updates will keep you involved at every stage.

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