You will get Node.js backend developer for secure API architecture

5.0

Let a pro handle the details

Buy Custom Website Programming services from Krutvik, priced and ready to go.
5.0

Let a pro handle the details

Buy Custom Website Programming services from Krutvik, priced and ready to go.

Project details

As a dedicated Node.js backend developer, I specialize in building robust, secure, & high-performance APIs that power modern web & mobile applications. Whether you're launching a new product or refactoring an existing backend, I design architectures that are both scalable & secure from day one.

šŸ› ļø What I Deliver:
– RESTful & GraphQL API development
– Authentication & authorization
– Role-based access control & permission layer
– Database architecture
– Modular, well-documented codebase for easy maintenance
– Integration of third-party APIs & microservice
– Monitoring, logging, & performance optimization

🧰 Tech Stack & Tools:
– Backend: Node.js, Express.js, NestJS
– Database: MongoDB, PostgreSQL, Redis
– Auth: JWT, OAuth, Passport.js, Auth0
– DevOps: Docker, GitHub Actions, CI/CD

🧠 Why Choose Me:
I focus on writing clean, scalable, & secure backend code that serves as the backbone of your application. With experience across fintech, SaaS, & healthtech, I build APIs that meet industry security standards & perform reliably under load.

šŸ›  Looking for a backend developer who prioritizes performance and security? I’m ready to help you build with confidence.
Programming Languages
HTML & CSS, JavaScript, TypeScript
Coding Expertise
Localization, Performance Optimization, Security
What's included
Service Tiers Starter
$800
Standard
$1,100
Advanced
$1,300
Delivery Time 8 days 10 days 12 days
Number of Revisions
012
Number of Pages
81113
Design Customization
Content Upload
-
Responsive Design
-
-
Source Code

Frequently asked questions

5.0
1 review
100% Complete
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

RA

Rabi A.
5.00
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.
Krutvik D.Status: Offline

About Krutvik

Krutvik D.Status: Offline
MERN Stack | Full Stack Developer | React | Next.js | Node | MongoDB
5.0 Ā (1 review)
Jamnagar, IndiaĀ - 10:05 pm local time
Are you looking for a Full Stack Website Developer who can build a high-performance web app for the next millions of users?

š—”š—„š—˜ š—¬š—¢š—Ø
āœ… 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?
āœ… Struggling with slow website performance, UI/UX issues, or outdated technology, and need a developer to fix, improve, or modernize your business?
āœ… Searching for smooth API integrations, payment gateways, or a custom dashboard to streamline your business operations?
āœ… In need of a full stack developer who understands both business & technology?

If you answered š—¬š—˜š—¦ to any of these, let’s talk with me to grow your business.


š—Ŗš—µš—¼ š—®š—ŗ š—œ?
- 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.


šŸ”„ My Expertise:
āœ… Frontend website Development: React.js, Next.js, Redux Toolkit, Tailwind CSS, Bootstrap, Styled Components
āœ… Backend web/app Development: Node.js, Express.js, REST API, JWT Authentication, Passport.js
āœ… Database Management: MongoDB, PostgreSQL, MySQL, NoSQL
āœ… DevOps & Cloud Services: AWS (Lambda, S3), Azure, CI/CD Pipelines
āœ… Third-Party Integrations: Stripe, PayPal, Paytm, Google APIs
āœ… Performance Optimization: Code Splitting, Lazy Loading, API Caching, Server-Side Rendering (SSR)
āœ… SEO & UI/UX Development: Conversion Rate Optimization, Responsive Web Design

šŸ“Œ š—”š—¼š˜š—®š—Æš—¹š—² š—£š—æš—¼š—·š—²š—°š˜š˜€:
--------------------------------
šŸš› Transport Management System (TMS) | US-Based Trucking Company
šŸ”¹ Tech Stack: Next.js, TypeScript, PostgreSQL, Redux Saga, JWT Authentication
šŸ”¹ Impact: Improved database queries by 60%, integrated e-sign & PDF generation, enhanced UI/UX
šŸ”¹ Role: backend developer - Developed the entire frontend architecture, optimized API handling, and implemented secure authentication & authorization

šŸŒ SaaS Web App for Payment Processing (Stripe & PayPal Integration)
šŸ”¹ Tech Stack: React.js, Node.js, Express.js, MongoDB, Redux Toolkit
šŸ”¹ Impact: Developed a real-time transaction dashboard, reduced load time by 40%, enhanced security with JWT & OAuth
šŸ”¹ Role: Full stack developer - Designed scalable architecture, implemented payment gateway integration, and ensured seamless API communication

šŸ“² Figma to React.js – UI/UX Development for Enterprise Clients
šŸ”¹ Tech Stack: React.js, Tailwind CSS, Styled Components, Redux
šŸ”¹ Impact: Converted complex UI designs into pixel-perfect, responsive web applications
šŸ”¹ Role: Focused on component reusability, state management, and accessibility improvements

ā“ š—™š—”š—¤
1ļøāƒ£ Can you build a web app from scratch?
š—”š—”š—¦: Yes! I develop custom web apps from the ground up and also improve existing ones.

2ļøāƒ£ How do you ensure security and performance?
š—”š—”š—¦: I use secure authentication (JWT, role-based access) and optimize speed with lazy loading, caching, and SSR.

3ļøāƒ£ Do you offer post-launch support?
š—”š—”š—¦: Yes! I provide bug fixes, updates, and performance improvements to keep your app running smoothly.

šŸ’” š—Ŗš—µš˜† š—Ŗš—¼š—æš—ø š—Ŗš—¶š˜š—µ š— š—²?
āœ… Fast & Optimized Development: Clean, modular, and scalable code
āœ… Secure & Scalable Applications: Authentication, API security, and performance tuning
āœ… Seamless Communication: Clear updates, quick turnaround, and transparent workflows

šŸ“© 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.

Review the work, release payment, and leave feedback to Krutvik.