You will get JavaScript Expert for React.js, Node.js & MERN Stack Web Applications
Top Rated
Project details
I deliver scalable, secure, and high-performance JavaScript web applications using React.js, Node.js, and the MERN stack. My focus is not just writing code, but building production-ready systems that are easy to scale, maintain, and extend as your business grows.
✅ What makes this project different:
Full-stack JavaScript expertise (React.js + Node.js + MERN)
Clean, maintainable code following best practices
Secure & optimized backend APIs
Scalable architecture suitable for MVPs and large applications
Clear communication and structured delivery
🛠 What I can help you with:
Building or upgrading React.js web applications
Developing Node.js / Express APIs
Full MERN stack development
Backend optimization & bug fixing
Authentication, authorization & database integration
Performance, security, and code cleanup
If you’re looking for a JavaScript developer who thinks like a product owner, understands scalability, and delivers reliably — this project is built for you.
📩 Send your requirements and let’s get started.
✅ What makes this project different:
Full-stack JavaScript expertise (React.js + Node.js + MERN)
Clean, maintainable code following best practices
Secure & optimized backend APIs
Scalable architecture suitable for MVPs and large applications
Clear communication and structured delivery
🛠 What I can help you with:
Building or upgrading React.js web applications
Developing Node.js / Express APIs
Full MERN stack development
Backend optimization & bug fixing
Authentication, authorization & database integration
Performance, security, and code cleanup
If you’re looking for a JavaScript developer who thinks like a product owner, understands scalability, and delivers reliably — this project is built for you.
📩 Send your requirements and let’s get started.
Programming Languages
JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included $50
These options are included with the project scope.
$50
- Delivery Time 3 days
- Number of Revisions 1
- Number of Pages 1
- Design Customization
- Responsive Design
- Source Code
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Shahzad H.
Feb 17, 2026
Python AI Automation Backend Developer
He gives his best to project and always available when texted plus gives update to each and every step completed. He is professional and punctual and I would definitely rehire him for in future when required.
AZ
Ahmed Z.
Dec 14, 2025
React Native Mobile App Developer
Excellent work on our React Native mobile app. He is highly skilled, reliable, and clearly understands best practices in React Native development. The app was delivered with clean code, smooth performance, and great attention to detail. I’m very satisfied with the results and would definitely recommend him for any mobile app development work. Looking forward to working together again.
NP
Nikolas P.
Feb 10, 2024
App development in react native (cross platform) - 10 screens
I had the pleasure of working with Abdur Rehman on my React Native project. Their work exceeded my expectations, delivering a top-notch app with great attention to detail. Communication was seamless and the tight deadlines were consistently met. I highly recommend Abdur's services and really look forward to a future collaboration
NP
Nikolas P.
Jan 22, 2024
Cross platform app development in react native
Great to work with him and I'll be hiring him again. He delivered high-quality work on time and under budget. His communication is clear, concise, and effective, and he works with minimal direction in spite of ambiguity. He sent me a bullet-pointed status update each day and quickly notified me. He offered advice and feedback to help save my time and money. Thank you, for owning this work and delivering results.
About Abdur
AI Automation Engineer | n8n , Zapier, Claude AI, OpenAI , AI Agents
100%
Job Success
Lahore, Pakistan - 2:36 am local time
I build AI automation systems that eliminate repetitive tasks and run your business operations 24/7 without hiring more staff.
In the last 6+ years, I've delivered 9+ production AI systems with 100% Job Success across sales automation, CRM workflows, AI agents, and backend integrations for startups, agencies, and growing businesses worldwide.
The result? Clients save 20–40+ hours every week — guaranteed.
🔥 WHAT I BUILD FOR YOU
✔ AI Agents & Autonomous Assistants (Claude AI, GPT-4o, LangChain)
✔ n8n & Make (Integromat) Workflow Automation
✔ Zapier Multi-Step & Advanced Workflows
✔ OpenAI / Claude / Gemini API Integrations
✔ AI Chatbots & 24/7 Customer Support Systems
✔ CRM Automation — HubSpot, Salesforce, Pipedrive
✔ Lead Generation & Automated Follow-Up Systems
✔ RAG Systems & Custom Knowledge Base AI
✔ Python Automation Scripts & Backend Logic
✔ API Integrations, Webhooks & Event-Based Systems
✔ AI Outreach & Sales Pipeline Automation
✔ Data Processing, Reporting & Google Sheets Automation
🛠 TECH STACK
AI & LLMs: Claude AI · OpenAI GPT-4o · LangChain · LlamaIndex · Gemini
Automation: n8n · Make · Zapier · Python · Node.js
CRM & Data: HubSpot · Salesforce · Airtable · PostgreSQL · MongoDB
Connectivity: REST APIs · Webhooks · Google Sheets · Slack · Notion
📈 RESULTS CLIENTS ACTUALLY SEE
✔ 60–80% reduction in manual work from Day 1
✔ Lead response time cut from hours → seconds
✔ Sales pipelines running fully on autopilot
✔ AI support agents handling 100s of queries/day
✔ Operational costs reduced without cutting team
💬 WHY CLIENTS KEEP COMING BACK
I don't build demos — I build production systems that work in the real world.
✔ 100% Job Success Score — every single client satisfied
✔ Fast delivery — most automations live within 3–5 days
✔ Clean, scalable architecture — easy to maintain & grow
✔ Business-first thinking — I solve problems, not just build workflows
✔ Clear communication — daily updates, zero ghosting
Top Rated · 100% Job Success · 181+ Hours Delivered · Available Now ⚡
Ready to automate your business? Send me a message — let's build something that works while you sleep.
Steps for completing your project
After purchasing the project, send requirements so Abdur can start the project.
Delivery time starts when Abdur receives requirements from you.
Abdur works on your project following the steps below.
Revisions may occur after the delivery date.
Requirement Review & Planning
I’ll review your requirements, confirm scope, timeline, and suggest the best technical approach before starting development.
Development & Implementation
I’ll build the web application or features using clean, scalable JavaScript (React.js / Node.js / MERN) following best practices.