You will get Full Stack Web Developer | MongoDB | Express | React | Node
Project details
You will get a modern, scalable, and high-performance web application built using the MERN stack (MongoDB, Express.js, React.js, and Node.js). With strong experience in full stack development, I help startups and businesses turn their ideas into powerful web applications.
My services include frontend development with React.js, backend development with Node.js and Express.js, database integration with MongoDB, API development, bug fixing, and performance optimization. I focus on building secure, responsive, and user-friendly applications with clean and maintainable code.
What sets my service apart is attention to detail, efficient problem-solving, and clear communication throughout the project. Whether you need a new web application, improvements to an existing MERN project, or custom features, I will deliver a professional and scalable solution.
My services include frontend development with React.js, backend development with Node.js and Express.js, database integration with MongoDB, API development, bug fixing, and performance optimization. I focus on building secure, responsive, and user-friendly applications with clean and maintainable code.
What sets my service apart is attention to detail, efficient problem-solving, and clear communication throughout the project. Whether you need a new web application, improvements to an existing MERN project, or custom features, I will deliver a professional and scalable solution.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$300
|
Standard
$550
|
Advanced
$850
|
|---|---|---|---|
| Delivery Time | 3 days | 10 days | 15 days |
Number of Revisions | Unlimited | Unlimited | Unlimited |
Number of Pages | 3 | 10 | 15 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code | - |
Frequently asked questions
10 reviews
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PV
Paul V.
May 9, 2026
Shopify App Tester Needed
Great Shopify Manager and Tester
RA
Rafaqat A.
Apr 10, 2026
MERN Stack Developer Needed – Urgent Task
An outstanding MERN Stack Developer who quickly understood our codebase and delivered the urgent task on time.
Highly professional, strongly recommended for any time-sensitive projects.
Highly professional, strongly recommended for any time-sensitive projects.
GH
George H.
Apr 6, 2026
Full-Stack Developer (React + Node.js) Web App Development & Optimization
Excellent work by the developer. They demonstrated strong expertise in React and Node.js, delivered clean and efficient code, and communicated clearly throughout the project. Highly recommended for any full-stack development work.
MP
Mickey P.
Jan 29, 2022
QA to test web application
Performed a good work for us. He was available and followed the instruction.
HH
Hendrik H.
Aug 10, 2021
Test for QA Applicants, July 2021
Thank you for the great work.
About Vijay
Senior Full Stack Developer | AI Engineer | React, Node.js, QA Expert
100%
Job Success
Karachi, Pakistan - 4:27 pm local time
I’m 𝗩𝗶𝗷𝗮𝘆 𝗞𝘂𝗺𝗮𝗿, a 𝗦𝗲𝗻𝗶𝗼𝗿 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿, 𝗔𝗜 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿, 𝗮𝗻𝗱 𝗤𝗔 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 with 7+ years of experience helping startups and businesses build:
• Scalable web and SaaS applications
• AI-powered products and automation systems
• High-performance APIs and backend architectures
• Production-ready, fully tested software systems
I combine full-stack development, AI engineering, and QA expertise, so you don’t just get features you get reliable, scalable, and thoroughly tested products that perform in real-world conditions.
𝗖𝗼𝗿𝗲 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀
• React.js, Next.js, TypeScript
• Node.js, Express.js, NestJS
• Python, FastAPI, Flask
• PostgreSQL, MongoDB, Redis
• OpenAI, LangChain, RAG Systems
• Pinecone, Milvus, FAISS Vector Databases
• AWS, GCP, Docker, CI/CD
• Selenium, Cypress, Playwright, Appium
• API Testing, Load Testing, Cross-Browser QA
𝗠𝘆 𝘀𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻
• Senior Full Stack Development (React, Node.js, Next.js)
• AI SaaS & LLM Product Development
• RAG Systems & AI Search Platforms
• AI Workflow Automation & Integrations
• Scalable Backend Architecture & APIs
• QA Automation & Manual Testing
• Performance Optimization & System Scaling
• Cloud AI Infrastructure & MLOps
𝗦𝗲𝗻𝗱 𝗺𝗲 𝗮 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 𝘄𝗶𝘁𝗵 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗱𝗲𝘁𝗮𝗶𝗹𝘀. 𝗜’𝗹𝗹 𝘀𝘂𝗴𝗴𝗲𝘀𝘁 𝘁𝗵𝗲 𝗯𝗲𝘀𝘁 𝗮𝗽𝗽𝗿𝗼𝗮𝗰𝗵 𝘄𝗶𝘁𝗵𝗶𝗻 𝟮𝟰 𝗵𝗼𝘂𝗿𝘀._
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Keywords
Full Stack Developer, React.js, Next.js, Node.js, Express.js, NestJS, REST API, PostgreSQL, MongoDB, Backend Development, API Integration, JWT Authentication, OAuth, Microservices, Redis, SaaS Development, QA Engineer, Selenium, Cypress, Playwright, Appium, Automation Testing, API Testing, JMeter, CI/CD, Performance Optimization
Steps for completing your project
After purchasing the project, send requirements so Vijay can start the project.
Delivery time starts when Vijay receives requirements from you.
Vijay works on your project following the steps below.
Revisions may occur after the delivery date.
Step 1
requirement Gathering
Step 2
start work