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


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.
š ļø What I Deliver:
ā RESTful & GraphQL API development
ā Authentication & authorization
ā Role-based access control & permission layer
ā Database architecture
ā Modular, well-documented codebase for easy maintenance
ā Integration of third-party APIs & microservice
ā Monitoring, logging, & performance optimization
š§° Tech Stack & Tools:
ā Backend: Node.js, Express.js, NestJS
ā Database: MongoDB, PostgreSQL, Redis
ā Auth: JWT, OAuth, Passport.js, Auth0
ā DevOps: Docker, GitHub Actions, CI/CD
š§ 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.
š Looking for a backend developer who prioritizes performance and security? Iām ready to help you build with confidence.
š ļø What I Deliver:
ā RESTful & GraphQL API development
ā Authentication & authorization
ā Role-based access control & permission layer
ā Database architecture
ā Modular, well-documented codebase for easy maintenance
ā Integration of third-party APIs & microservice
ā Monitoring, logging, & performance optimization
š§° Tech Stack & Tools:
ā Backend: Node.js, Express.js, NestJS
ā Database: MongoDB, PostgreSQL, Redis
ā Auth: JWT, OAuth, Passport.js, Auth0
ā DevOps: Docker, GitHub Actions, CI/CD
š§ 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.
š Looking for a backend developer who prioritizes performance and security? Iām ready to help you build with confidence.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Localization, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$800
|
Standard
$1,100
|
Advanced
$1,300
|
|---|---|---|---|
| Delivery Time | 8 days | 10 days | 12 days |
Number of Revisions | 0 | 1 | 2 |
Number of Pages | 8 | 11 | 13 |
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, IndiaĀ - 10:05 pm local time
šš„š š¬š¢šØ
ā 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?
ā Struggling with slow website performance, UI/UX issues, or outdated technology, and need a developer to fix, improve, or modernize your business?
ā Searching for smooth API integrations, payment gateways, or a custom dashboard to streamline your business operations?
ā In need of a full stack developer who understands both business & technology?
If you answered š¬šš¦ to any of these, letās talk with me to grow your business.
šŖšµš¼ š®šŗ š?
- Iām 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, Iāve 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.
š„ My Expertise:
ā Frontend website Development: React.js, Next.js, Redux Toolkit, Tailwind CSS, Bootstrap, Styled Components
ā Backend web/app Development: Node.js, Express.js, REST API, JWT Authentication, Passport.js
ā Database Management: MongoDB, PostgreSQL, MySQL, NoSQL
ā DevOps & Cloud Services: AWS (Lambda, S3), Azure, CI/CD Pipelines
ā Third-Party Integrations: Stripe, PayPal, Paytm, Google APIs
ā Performance Optimization: Code Splitting, Lazy Loading, API Caching, Server-Side Rendering (SSR)
ā SEO & UI/UX Development: Conversion Rate Optimization, Responsive Web Design
š š”š¼šš®šÆš¹š² š£šæš¼š·š²š°šš:
--------------------------------
š Transport Management System (TMS) | US-Based Trucking Company
š¹ Tech Stack: Next.js, TypeScript, PostgreSQL, Redux Saga, JWT Authentication
š¹ Impact: Improved database queries by 60%, integrated e-sign & PDF generation, enhanced UI/UX
š¹ Role: backend developer - Developed the entire frontend architecture, optimized API handling, and implemented secure authentication & authorization
š SaaS Web App for Payment Processing (Stripe & PayPal Integration)
š¹ Tech Stack: React.js, Node.js, Express.js, MongoDB, Redux Toolkit
š¹ Impact: Developed a real-time transaction dashboard, reduced load time by 40%, enhanced security with JWT & OAuth
š¹ Role: Full stack developer - Designed scalable architecture, implemented payment gateway integration, and ensured seamless API communication
š² Figma to React.js ā UI/UX Development for Enterprise Clients
š¹ Tech Stack: React.js, Tailwind CSS, Styled Components, Redux
š¹ Impact: Converted complex UI designs into pixel-perfect, responsive web applications
š¹ Role: Focused on component reusability, state management, and accessibility improvements
ā ššš¤
1ļøā£ Can you build a web app from scratch?
šš”š¦: Yes! I develop custom web apps from the ground up and also improve existing ones.
2ļøā£ How do you ensure security and performance?
šš”š¦: I use secure authentication (JWT, role-based access) and optimize speed with lazy loading, caching, and SSR.
3ļøā£ Do you offer post-launch support?
šš”š¦: Yes! I provide bug fixes, updates, and performance improvements to keep your app running smoothly.
š” šŖšµš šŖš¼šæšø šŖš¶ššµ š š²?
ā Fast & Optimized Development: Clean, modular, and scalable code
ā Secure & Scalable Applications: Authentication, API security, and performance tuning
ā Seamless Communication: Clear updates, quick turnaround, and transparent workflows
š© Letās 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
Iāll 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, Iāll provide a detailed proposal outlining the features, technical specifications, development timeline, and deliverables for your review and approval.