You will get Full Stack Web Developer MERN Stack MongoDB NodeJS ExpressJS ReactJS Expert
Top Rated
Top Rated
Project details
Full-stack development using the MERN stack (MongoDB, Express.js, React.js, and Node.js) for end-to-end web applications. With 10 years of hands-on experience, I build scalable, responsive, and secure web apps, implementing everything from the front-end interface to the back-end APIs and databases. With a focus on performance and usability, I deliver high-quality solutions for businesses of all sizes.
I offers full-stack web development with the MERN stack. From basic CRUD applications to complex, feature-rich platforms, I ensure seamless functionality and responsive design. My expertise covers every aspect of the development lifecycle, including deployment.
Basic Skills:
• React.js and Redux
• Node.js and Express.js
• MongoDB (NoSQL Database)
• API Development (REST and GraphQL)
• Deployment (AWS, Heroku, Netlify)
Industries I've Worked With:
• E-commerce
• Social Media Platforms
• Healthcare
• Real Estate
• SaaS and Startups
I offers full-stack web development with the MERN stack. From basic CRUD applications to complex, feature-rich platforms, I ensure seamless functionality and responsive design. My expertise covers every aspect of the development lifecycle, including deployment.
Basic Skills:
• React.js and Redux
• Node.js and Express.js
• MongoDB (NoSQL Database)
• API Development (REST and GraphQL)
• Deployment (AWS, Heroku, Netlify)
Industries I've Worked With:
• E-commerce
• Social Media Platforms
• Healthcare
• Real Estate
• SaaS and Startups
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, PSD to HTML, Performance OptimizationWhat's included
| Service Tiers |
Starter
$499
|
Standard
$3,499
|
Advanced
$7,999
|
|---|---|---|---|
| Delivery Time | 5 days | 30 days | 70 days |
Number of Revisions | 2 | 3 | Unlimited |
Number of Pages | 5 | 10 | 15 |
Design Customization | - | ||
Content Upload | |||
Responsive Design | |||
Source Code | - |
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PH
Phillip H.
Jan 8, 2026
Website development based on PHP, Javascript, advanced Mysql
RK
Rupinderjeet K.
Nov 22, 2024
Basic CRUD Application for Task Management
It was great working with Harmanpreet. Quick and efficient.
FB
Feurion B.
Nov 18, 2024
Looking for a fullstack developer wit AI API intergration, knowledge
I recently had the pleasure of working with Tarun and Harmanpreet Kaur, and I can only speak highly of their work. They have exceptionally skilled developers with great attention to detail and a proactive mindset.
What stood out the most was their ability to not only deliver excellent results but also propose meaningful improvements. Their advice was always well-thought-out and aimed at implementing more efficient and sustainable solutions. This demonstrated their commitment to not just completing tasks but delivering the best possible quality.
Additionally, they were always ready to adapt and implement new ideas quickly. His flexibility and problem-solving attitude made the collaboration smooth and enjoyable.
I would wholeheartedly recommend these developers to anyone looking for a professional, dedicated, and talented developers. They are a true asset to any project!
What stood out the most was their ability to not only deliver excellent results but also propose meaningful improvements. Their advice was always well-thought-out and aimed at implementing more efficient and sustainable solutions. This demonstrated their commitment to not just completing tasks but delivering the best possible quality.
Additionally, they were always ready to adapt and implement new ideas quickly. His flexibility and problem-solving attitude made the collaboration smooth and enjoyable.
I would wholeheartedly recommend these developers to anyone looking for a professional, dedicated, and talented developers. They are a true asset to any project!
RK
Rupinderjeet K.
Sep 26, 2024
MERN Stack Developer proficient in React, Node.js, Express.js, and MongoDB
I had an excellent experience working with this freelancer. They provided top-notch service on a MERN stack project and delivered everything on time. Their technical expertise, attention to detail, and commitment to deadlines made the entire process smooth and efficient. Highly recommend them for anyone looking for a reliable and skilled developer!
KD
Karline D.
Jul 27, 2024
Bubble.io Dev -Spabilaty
About Harmanpreet
Full-Stack Developer|React, Next.js, Node.js, SaaS & AI App|Vibe Coder
100%
Job Success
Sangrur, India - 6:46 am local time
I help startups and businesses launch fast, scalable, and production-ready applications, from MVPs to enterprise-grade SaaS platforms.
✔ 100% Job Success
✔ Top Rated Plus
✔ $100K+ earned on Upwork
✔ 6,600+ hours worked
✔ Long-term client relationships
Specialized in:
- SaaS Development
- AI Integrations (OpenAI/ChatGPT)
- Next.js & React Applications
- Node.js APIs & Backend Systems
- Dashboard & Admin Panels
- Multi-tenant Architectures
- Stripe & Payment Integrations
- AWS & Cloud Deployment
With over 10 years of experience specializing in the MEAN (MongoDB, Express.js, Angular, Node.js) and MERN (MongoDB, Express.js, React, Node.js) stacks, I leverage the latest technologies to create robust, scalable, and performance-driven applications.
I build high-performance web apps, SaaS platforms, and AI-powered products 3x faster using modern Vibe Coding workflows, without compromising quality.
🔹 Quick Snapshot (because your time matters):
✔ Top-Rated Full-Stack Developer (10+ years experience)
✔ 100% Job Success & proven delivery record
✔ AI-powered development = faster delivery + lower cost
✔ Built scalable SaaS, AI tools, and startup products
✔ Strong focus on performance, SEO & user experience
Here’s what I bring to the table:
Tech Stack Expertise
✅ Frontend Development:
- React.js, Next.js, Redux Toolkit, Angular
- HTML5, CSS3, Tailwind CSS, Material-UI, Bootstrap
- TypeScript and JavaScript (ES6+)
✅ Backend Development:
- Node.js, NestJS, Express.js
- GraphQL, RESTful APIs, Microservices Architecture
✅ Database Management:
- MongoDB, PostgreSQL, Firebase, MySQL
✅ AI and Machine Learning Integrations:
- OpenAI APIs (ChatGPT, GPT-4), AI/ML-powered applications
✅ DevOps and Cloud:
- AWS (Lambda, EC2, S3), Azure, Docker, Kubernetes
✅ Version Control and CI/CD:
- Git, GitHub, GitLab, Bitbucket
- Jenkins, GitHub Actions
✅ Testing Tools:
- Jest, Mocha, Chai, Cypress
✅ Project Management and Collaboration:
- Jira, Trello, Slack, Agile/Scrum methodologies
✅ Industry Experience:
Delivered successful projects across diverse industries, including:
- E-commerce and Marketplaces
- Healthcare and Telemedicine platforms
- Finance and FinTech platforms
- Education and E-learning platforms
- Travel and Hospitality platforms
- Real Estate Platforms
- Social Networking and Lifestyle Apps
- AI-driven SaaS and Automation Solutions
Why Choose Me?
I am passionate about creating scalable, performance-optimized, and user-centric applications that solve real-world problems. My development process focuses on delivering clean, maintainable code while meeting deadlines and exceeding client expectations.
Whether you’re looking to develop a brand-new AI-integrated app, revamp your existing web platform, or build a system from the ground up, I can help turn your vision into reality.
Let’s collaborate to build something exceptional. Reach out, and let’s start your project today!
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Keywords: React developer, Next.js developer, Full-stack developer, Node.js developer, SaaS developer, AI developer, TypeScript developer, API developer, Dashboard developer, MVP developer, Startup developer, Web application developer MEAN Stack Development, MERN Stack Developer, Full Stack Web Applications, API Integration Services, Secure Web Development, Responsive Web Design, Scalable Web Solutions, MongoDB Expertise, Node.js Professional, Angular Development, React Development, WebSocket Implementation, Firebase Integrations, AWS Integrations, Payment Gateway Integration, Performance Optimization, Agile Full Stack Development, Real-time Data Applications
Steps for completing your project
After purchasing the project, send requirements so Harmanpreet can start the project.
Delivery time starts when Harmanpreet receives requirements from you.
Harmanpreet works on your project following the steps below.
Revisions may occur after the delivery date.
Requirement Gathering
Collect details on app features, design, and backend requirements.
Planning
Define project structure for MongoDB, Express.js, React.js, and Node.js.