You will get a full stack web application using React and Node.js | Full Stack Developer
Top Rated
Project details
Looking for a reliable Full Stack Developer to build your web application?
You're in the right place.
I help startups, SaaS companies, agencies, and businesses build modern, secure, and scalable web applications. Whether you need a custom web application, Startup MVP, SaaS platform, admin dashboard, business portal, CRM, ERP system, or want to improve an existing application, I can help you from planning to deployment.
What You'll Get
• Custom Full Stack Web Application
• React.js & Node.js Development
• Responsive and Modern User Interface
• REST API & Third-Party API Integration
• Secure Authentication & Authorization
• Database Integration (MongoDB, MySQL, PostgreSQL)
• Admin Dashboard & User Management
• Payment Gateway Integration
• Clean, Scalable, and Maintainable Code
• Performance Optimization
• Cross-Browser Compatibility
• Deployment and Post-Launch Support
Why Choose Me
• Experienced Full Stack Developer
• High-Quality and Clean Code
• Business-Focused Solutions
• Fast Communication
• On-Time Delivery
• Secure and Scalable Development
• Long-Term Support
Let's discuss your project and build a high-quality web application that meets your business goals.
You're in the right place.
I help startups, SaaS companies, agencies, and businesses build modern, secure, and scalable web applications. Whether you need a custom web application, Startup MVP, SaaS platform, admin dashboard, business portal, CRM, ERP system, or want to improve an existing application, I can help you from planning to deployment.
What You'll Get
• Custom Full Stack Web Application
• React.js & Node.js Development
• Responsive and Modern User Interface
• REST API & Third-Party API Integration
• Secure Authentication & Authorization
• Database Integration (MongoDB, MySQL, PostgreSQL)
• Admin Dashboard & User Management
• Payment Gateway Integration
• Clean, Scalable, and Maintainable Code
• Performance Optimization
• Cross-Browser Compatibility
• Deployment and Post-Launch Support
Why Choose Me
• Experienced Full Stack Developer
• High-Quality and Clean Code
• Business-Focused Solutions
• Fast Communication
• On-Time Delivery
• Secure and Scalable Development
• Long-Term Support
Let's discuss your project and build a high-quality web application that meets your business goals.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$299
|
Standard
$999
|
Advanced
$2,099
|
|---|---|---|---|
| Delivery Time | 5 days | 7 days | 14 days |
Number of Revisions | 1 | 3 | 5 |
Number of Pages | 3 | 5 | 12 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$50 - $140
Additional Revision
+$100
Additional Page
(+ 1 Day)
+$100Frequently asked questions
6 reviews
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DI
Dixit I.
Aug 15, 2026
Full Stack Developer for Website Bug Fixes & Improvements
Kevin did an excellent job as a Full Stack Developer. He quickly understood our existing application and handled the bug fixes and improvements efficiently. His knowledge of React.js, Next.js, Node.js, MongoDB, and REST APIs was very good. Communication was smooth, and he delivered quality work on time. I would definitely work with Kevin again.
DI
Dixit I.
Aug 9, 2026
30 minute consultation
I had a great experience with Kevin Savaliya during the consultancy. He clearly understood my requirements and provided practical guidance for my web development project. Kevin explained the technical concepts in a simple and easy-to-understand way and gave me clear direction on the right approach.
He was professional, knowledgeable, and helpful throughout the consultation. I especially appreciated his suggestions around technology selection, project architecture, APIs, database structure, and performance optimization.
Overall, I am very satisfied with the consultation and would definitely recommend Kevin to anyone looking for an experienced Full Stack Developer and technical consultant.
He was professional, knowledgeable, and helpful throughout the consultation. I especially appreciated his suggestions around technology selection, project architecture, APIs, database structure, and performance optimization.
Overall, I am very satisfied with the consultation and would definitely recommend Kevin to anyone looking for an experienced Full Stack Developer and technical consultant.
FC
Frank C.
Nov 17, 2025
Contratistas-PR Web Development
Working with Kevin on my new service web page was an absolute pleasure. From the start, he was professional, communicative, and transparent.
The final product is exactly what I needed: a high-quality, scalable website that I have full control over. I highly recommend Kevin for any web development project.
The final product is exactly what I needed: a high-quality, scalable website that I have full control over. I highly recommend Kevin for any web development project.
FC
Frank C.
Jul 31, 2025
30 minute consultation
Kevin is an excellent professional, quickly understood my expectative, and clearly explained options and alternatives to successfully complete my project. Highly recommended.
FS
Fenil S.
Jun 3, 2025
Full Stack Web Development for Custom Web Application
Kevin did a fantastic job! Delivered high-quality work on time and communicated clearly throughout the project. Highly recommended.
About Kevin
Full Stack Developer
100%
Job Success
Surat, India - 4:40 am local time
Looking for a Full Stack Developer who can build a new website or web application, improve your existing product, fix bugs, or help take your idea from start to launch?
You're in the right place.
I'm a Top Rated Full Stack Developer with 8+ years of experience building modern and reliable web applications using React.js, Next.js, Node.js, TypeScript, and the MERN Stack.
I work with startups, SaaS companies, agencies, and growing businesses to build websites and web applications that are fast, secure, easy to use, and ready to grow.
Whether you need a Startup MVP, SaaS platform, custom web application, AI-powered application, business system, dashboard, API, real-time application, or improvements to an existing website, I can help.
Why Clients Choose Me
→ Top Rated Freelancer
→ 100% Job Success
→ 8+ Years of Experience
→ $5K+ Earned on Upwork
→ 9 Total Upwork Jobs
→ 346+ Hours Worked
→ Clean and Maintainable Code
→ Fast and Reliable Work
→ Clear Communication
→ On-Time Delivery
→ Long-Term Support
What I Can Build
➤ SaaS Platforms
➤ Startup MVPs
➤ Custom Web Applications
➤ Business Websites & Applications
➤ CRM & ERP Systems
➤ Admin Dashboards
➤ Customer Portals
➤ Marketplace Platforms
➤ E-commerce Websites
➤ AI-Powered Applications
➤ Real-Time Applications
➤ Location-Based Applications
➤ REST APIs
➤ GraphQL APIs
➤ Third-Party API Integrations
➤ Payment Integrations
I can also help with:
➤ Bug Fixing
➤ Website Improvements
➤ Performance Optimization
➤ Code Optimization
➤ New Feature Development
➤ API Integration
➤ Database Optimization
➤ Existing Application Updates
Frontend Development
I build clean, responsive, and user-friendly interfaces.
✦ React.js
✦ Next.js
✦ JavaScript
✦ TypeScript
✦ HTML5
✦ CSS3
✦ Tailwind CSS
✦ Material UI
✦ Bootstrap
✦ SCSS
✦ Redux Toolkit
✦ Figma
✦ Responsive Web Design
✦ SEO Optimization
✦ Website Performance Optimization
Backend Development
I build secure and reliable backend systems.
✦ Node.js
✦ Express.js
✦ REST APIs
✦ GraphQL
✦ JWT Authentication
✦ OAuth
✦ Role-Based Access Control
✦ Payment Gateway Integration
✦ Third-Party API Integration
✦ WebSockets
✦ Real-Time Applications
AI Development
I can add AI features to new or existing applications.
✦ OpenAI / ChatGPT APIs
✦ AI-Powered Web Applications
✦ AI Feature Integration
✦ AI Automation
✦ ChatGPT Integration
✦ Bolt
✦ Lovable
Maps & Real-Time Location
✦ Google Maps
✦ OpenStreetMap
✦ Real-Time Location Tracking
✦ AIS Stream
✦ Location-Based Applications
✦ Real-Time Data
Database & Search
✦ MongoDB
✦ PostgreSQL
✦ MySQL
✦ Database Design
✦ Data Modeling
✦ Query Optimization
✦ Elasticsearch
✦ OpenSearch
✦ MongoDB Atlas Search
Cloud & DevOps
✦ AWS EC2
✦ AWS S3
✦ AWS ECR
✦ AWS Elastic Beanstalk
✦ Docker
✦ Docker Swarm
✦ CI/CD Pipelines
✦ PM2
✦ Git
✦ GitHub
✦ Vercel
Build Tools & Optimization
✦ Webpack
✦ Vite
✦ Website Performance Optimization
✦ Existing Application Optimization
✦ Code Optimization
✦ Frontend Optimization
✦ Backend Optimization
✦ Database Optimization
Industries
✔ SaaS
✔ AI & Technology
✔ Healthcare
✔ FinTech
✔ E-commerce
✔ Education
✔ Real Estate
✔ Logistics
✔ Transportation
✔ Travel & Hospitality
✔ CRM & ERP
✔ Enterprise Software
✔ Startups
Real-World Projects
I have worked on real-world projects across SaaS, AI, logistics, FinTech, booking, business, and other industries.
Some projects include:
→ PayMore
→ Setmore
→ INA Solutions
→ SafeTree
→ EVS7
→ CuMinds
→ Invstt
→ TechNova
→ MediaJenie
→ TeeTime Indoor Golf
→ CoreFleet Solutions
→ Uncia
→ Contratistas PR
→ Hire2o.ai
→ Payload CMS Projects
My experience includes building new applications, improving existing applications, fixing bugs, adding new features, integrating APIs, improving performance, setting up deployment, and providing ongoing support.
How I Work
➜ First, I understand your project and business requirements.
➜ Then, I suggest the right technology and approach.
➜ I build clean and scalable software.
➜ I provide regular project updates.
➜ I test the application before delivery.
➜ I deploy the application and provide support when needed.
What You Can Expect
→ Clear Communication
→ Quick Response
→ Regular Updates
→ Clean Code
→ Secure Development
→ Scalable Applications
→ Good Performance
→ On-Time Delivery
→ Reliable Support
→ Long-Term Partnership
Let's Build Something Great
Whether you are building a Startup MVP, SaaS platform, custom web application, AI application, real-time application, or improving an existing website, I can help.
My goal is simple:
→ Understand your requirements
→ Build a reliable solution
→ Deliver quality work on time
→ Help your product grow
Send me a message or invite me to your project.
Let's discuss your requirements and build something great together. 🚀
Steps for completing your project
After purchasing the project, send requirements so Kevin can start the project.
Delivery time starts when Kevin receives requirements from you.
Kevin works on your project following the steps below.
Revisions may occur after the delivery date.
Review your requirements and project goals.
Develop the frontend and backend features.