You will get SaaS web app development using React and Node for startups
Project details
I help startups and founders turn ideas into fully functional, scalable SaaS web applications using the power of the MERN stack Whether you're at MVP stage or scaling post-launch, I bring both technical skill and product mindset to the table.
🧩 What I Can Help You Build:
– Subscription-based platforms with Stripe or Paddle billing
– Admin dashboards with real-time analytics
– Multi-tenant user systems with role-based permissions
– Smart features like AI integration, automation workflows, or chatbots
– Secure auth systems with JWT, OAuth, or third-party SSO
⚙️ Tech Stack & Tools:
– Frontend: React.js, Next.js, Redux Toolkit
– Backend: Node.js, Express.js, REST/GraphQL APIs
– Database: MongoDB, Firebase, PostgreSQL
– Integrations: Stripe, AWS, Auth0
– DevOps: Docker, Vercel, GitHub Actions, CI/CD pipelines
🧠 Why Work With Me:
I don’t just code – I understand what startups need speed, flexibility, & smart solutions that scale. With experience in building SaaS tools across industries, I ensure your product is built right from day one.
💬 Need a technical partner who gets both code and product strategy? Let’s talk about how I can help bring your SaaS vision to life.
🧩 What I Can Help You Build:
– Subscription-based platforms with Stripe or Paddle billing
– Admin dashboards with real-time analytics
– Multi-tenant user systems with role-based permissions
– Smart features like AI integration, automation workflows, or chatbots
– Secure auth systems with JWT, OAuth, or third-party SSO
⚙️ Tech Stack & Tools:
– Frontend: React.js, Next.js, Redux Toolkit
– Backend: Node.js, Express.js, REST/GraphQL APIs
– Database: MongoDB, Firebase, PostgreSQL
– Integrations: Stripe, AWS, Auth0
– DevOps: Docker, Vercel, GitHub Actions, CI/CD pipelines
🧠 Why Work With Me:
I don’t just code – I understand what startups need speed, flexibility, & smart solutions that scale. With experience in building SaaS tools across industries, I ensure your product is built right from day one.
💬 Need a technical partner who gets both code and product strategy? Let’s talk about how I can help bring your SaaS vision to life.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$1,000
|
Standard
$1,600
|
Advanced
$2,000
|
|---|---|---|---|
| Delivery Time | 8 days | 12 days | 14 days |
Number of Revisions | 0 | 1 | 2 |
Number of Pages | 900 | 1400 | 1800 |
Design Customization | |||
Content Upload | - | - | |
Responsive Design | - | ||
Source Code |
Frequently asked questions
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RA
Rabi A.
May 14, 2025
Support Needed for Ongoing MERN Stack Project | React, Next.js, Node.js
Krutvik did an excellent job implementing HMAC validation in Node.js for my APIs. He was also incredibly helpful with the documentation. His suggestions were thoughtful and really added value to the project.
About Krutvik
MERN Stack | Full Stack Developer | React | Next.js | Node | MongoDB
Jamnagar, India - 3:39 am local time
𝗔𝗥𝗘 𝗬𝗢𝗨
✅ A startup, business owner, or individual with an idea and wants to build a fast, feature-rich website or web app from the ground up?
✅ Struggling with slow website performance, UI/UX issues, or outdated technology, and need a developer to fix, improve, or modernize your business?
✅ Searching for smooth API integrations, payment gateways, or a custom dashboard to streamline your business operations?
✅ In need of a full stack developer who understands both business & technology?
If you answered 𝗬𝗘𝗦 to any of these, let’s talk with me to grow your business.
𝗪𝗵𝗼 𝗮𝗺 𝗜?
- I’m Krutvik Devmurari, with 6 years of experience in building high-performance web applications with Bachelor degree in Computer engineering.
- I have worked with startups, businesses, and enterprise clients to develop scalable and user-friendly website solutions.
- Over the years, I’ve worked with businesses in logistics, e-commerce, fintech, healthcare, real estate, education, and SaaS, With clients from the USA, UK, Germany, Canada, Australia, and India, I understand global market needs and create solutions that align with industry trends and business goals.
🔥 My Expertise:
✅ Frontend website Development: React.js, Next.js, Redux Toolkit, Tailwind CSS, Bootstrap, Styled Components
✅ Backend web/app Development: Node.js, Express.js, REST API, JWT Authentication, Passport.js
✅ Database Management: MongoDB, PostgreSQL, MySQL, NoSQL
✅ DevOps & Cloud Services: AWS (Lambda, S3), Azure, CI/CD Pipelines
✅ Third-Party Integrations: Stripe, PayPal, Paytm, Google APIs
✅ Performance Optimization: Code Splitting, Lazy Loading, API Caching, Server-Side Rendering (SSR)
✅ SEO & UI/UX Development: Conversion Rate Optimization, Responsive Web Design
📌 𝗡𝗼𝘁𝗮𝗯𝗹𝗲 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀:
--------------------------------
🚛 Transport Management System (TMS) | US-Based Trucking Company
🔹 Tech Stack: Next.js, TypeScript, PostgreSQL, Redux Saga, JWT Authentication
🔹 Impact: Improved database queries by 60%, integrated e-sign & PDF generation, enhanced UI/UX
🔹 Role: backend developer - Developed the entire frontend architecture, optimized API handling, and implemented secure authentication & authorization
🌍 SaaS Web App for Payment Processing (Stripe & PayPal Integration)
🔹 Tech Stack: React.js, Node.js, Express.js, MongoDB, Redux Toolkit
🔹 Impact: Developed a real-time transaction dashboard, reduced load time by 40%, enhanced security with JWT & OAuth
🔹 Role: Full stack developer - Designed scalable architecture, implemented payment gateway integration, and ensured seamless API communication
📲 Figma to React.js – UI/UX Development for Enterprise Clients
🔹 Tech Stack: React.js, Tailwind CSS, Styled Components, Redux
🔹 Impact: Converted complex UI designs into pixel-perfect, responsive web applications
🔹 Role: Focused on component reusability, state management, and accessibility improvements
❓ 𝗙𝗔𝗤
1️⃣ Can you build a web app from scratch?
𝗔𝗡𝗦: Yes! I develop custom web apps from the ground up and also improve existing ones.
2️⃣ How do you ensure security and performance?
𝗔𝗡𝗦: I use secure authentication (JWT, role-based access) and optimize speed with lazy loading, caching, and SSR.
3️⃣ Do you offer post-launch support?
𝗔𝗡𝗦: Yes! I provide bug fixes, updates, and performance improvements to keep your app running smoothly.
💡 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲?
✅ Fast & Optimized Development: Clean, modular, and scalable code
✅ Secure & Scalable Applications: Authentication, API security, and performance tuning
✅ Seamless Communication: Clear updates, quick turnaround, and transparent workflows
📩 Let’s discuss your project today! Whether you need custom React.js development, API integration, performance optimization, or bug fixes, I am here to help.
Keywords:
Full Stack Developer
MERN Stack Developer
React.js Developer
Next.js Developer
Node.js Developer
MongoDB Developer
Web Developer
Web App Development
Custom Website Development
Frontend Development
Backend Development
API Integration
SaaS Web App Development
E-commerce Website Development
Transport Management System (TMS) Developer
Mobile-Responsive Website Development
India Full Stack Developer
Post-Launch Support & Maintenance
MEAN Stack, GraphQL, Microservices, Docker, Kubernetes, PWA (Progressive Web Apps), Headless CMS, NestJS (popular Node.js framework), WebSockets (for real-time apps), Redis (caching solution), Frontend Development, Material UI (MUI), SCSS/SASS, Vue.js (alternative to React.js), Backend & Security, Django (for Python-based backend), Flask, Spring Boot (Java-based backend), OAuth2.0, Webhooks, 2FA, Firebase, ElasticSearch, LegalTech, AI-powered Applications, MVP Development, Freelance Web Development, Consulting Services
...
Steps for completing your project
After purchasing the project, send requirements so Krutvik can start the project.
Delivery time starts when Krutvik receives requirements from you.
Krutvik works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery Call
I’ll begin with an initial meeting to understand your vision, define the scope, and understand your goals for the web application.
Detailed Proposal
Based on our discussion, I’ll provide a detailed proposal outlining the features, technical specifications, development timeline, and deliverables for your review and approval.