You will get EXPERT | NodeJS | Express JS | NestJS | Best Back-end Developer

Project details
✍️Professional Node.js Backend Development | Secure, Scalable REST APIs
I offer expert backend development with Node.js and Express.js to create secure, high-performance REST APIs tailored to your business needs. From basic CRUD operations to advanced AI integrations with OpenAI’s GPT-4, I build robust backend solutions that power your applications efficiently.
🔑 Services I Offer:
REST API Development: Develop fast, scalable REST APIs using Node.js and Express.js, customized to your requirements.
AI Integration with OpenAI/GPT-4: Add AI-driven capabilities, from chatbots to intelligent data processing, using OpenAI’s latest models.
Database Solutions: Design and manage scalable SQL/NoSQL databases with a focus on optimized performance.
Security & Authentication: Implement secure user authentication, data protection, and role-based access controls.
Innovation: Leveraging cutting-edge tools and best practices.
Quality: Commitment to delivering reliable, scalable solutions with clear communication and collaboration.
Thank you for considering my profile! I look forward to the opportunity to work together.
Best Regards,
Hiren D.
I offer expert backend development with Node.js and Express.js to create secure, high-performance REST APIs tailored to your business needs. From basic CRUD operations to advanced AI integrations with OpenAI’s GPT-4, I build robust backend solutions that power your applications efficiently.
🔑 Services I Offer:
REST API Development: Develop fast, scalable REST APIs using Node.js and Express.js, customized to your requirements.
AI Integration with OpenAI/GPT-4: Add AI-driven capabilities, from chatbots to intelligent data processing, using OpenAI’s latest models.
Database Solutions: Design and manage scalable SQL/NoSQL databases with a focus on optimized performance.
Security & Authentication: Implement secure user authentication, data protection, and role-based access controls.
Innovation: Leveraging cutting-edge tools and best practices.
Quality: Commitment to delivering reliable, scalable solutions with clear communication and collaboration.
Thank you for considering my profile! I look forward to the opportunity to work together.
Best Regards,
Hiren D.
Programming Languages
HTML & CSS, JavaScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$100
|
Standard
$500
|
Advanced
$1,200
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 28 days |
Number of Revisions | 3 | Unlimited | Unlimited |
Number of Pages | 2 | ||
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code | - |
Optional add-ons
You can add these on the next page.
Additional Page
(+ 2 Days)
+$120
34 reviews
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AF
Anthony F.
Jan 20, 2025
Freelance Full-Stack Developer (Online Survey Website)
Thank you Hiren, for your hard work and dedication! Your expertise have been invaluable, and we truly appreciate the effort you’ve put into delivering exceptional results.
Looking forward to collaborating with you again in the future!
Looking forward to collaborating with you again in the future!
EP
E P.
Feb 18, 2024
Coding: Create Pixel Perfect React JS Templates
YK
Yoav K.
Sep 2, 2023
Backend work- AWS, run python codes, create database -front presents properly all python results
Hiren is very nice to work with
RF
Robby F.
Jul 6, 2023
Hiren completed the task quickly and efficiently.
Very happy with his work :-)
Very happy with his work :-)
ZT
Zholl T.
Jul 5, 2023
Full Stack Developer Needed for Quick Website Edits. (Amazon API Experience preferred)
Great person to work with. Very good at communication and will definitely work with again!
About Hiren
Enterprise AI | Digital Transformation | Insurance & SaaS Platforms
94%
Job Success
Surat, India - 5:52 am local time
The biggest challenge with software projects today isn't writing code—it's building solutions that are secure, scalable, maintainable, and aligned with real business objectives.
Whether you're a startup building your first AI-powered product, a SaaS company scaling your platform, or an enterprise modernizing legacy systems, you need more than a developer. You need a technical partner who understands architecture, business workflows, and long-term scalability.
That's where I can help.
With 15+ years of software engineering experience, I've successfully designed and delivered enterprise-grade software solutions across Artificial Intelligence, SaaS, Insurance, FinTech, Healthcare, Logistics, and Digital Transformation.
I specialize in building intelligent software that combines modern AI capabilities with robust enterprise architecture, helping businesses automate operations, improve customer experiences, and accelerate growth.
==========
What I Build
==========
🛡️Insurance Technology (My Specialized Expertise)
One of my strongest differentiators is deep experience building enterprise insurance platforms.
I've worked on systems covering:
• Broker Portals
• Policy Administration
• Claims Management
• Motor Insurance
• Health Insurance
• General Insurance
• Underwriting Workflows
• Renewal Management
• Commission Management
• Payment Gateway Integration
• OCR-Based Document Processing
• Third-Party API Integrations
• VIN & Vehicle Data Integration
This domain expertise allows me to understand insurance workflows quickly, reducing onboarding time and accelerating delivery.
🤖Artificial Intelligence & Intelligent Automation
I develop production-ready AI solutions that integrate seamlessly into your business processes.
Services include:
• AI Agents & Multi-Agent Systems
• OpenAI / GPT Integration
• Retrieval-Augmented Generation (RAG)
• AI Knowledge Bases
• AI Customer Support Assistants
• AI Document Processing & OCR
• AI Workflow Automation
• Prompt Engineering
• MCP (Model Context Protocol)
• Vector Database Integration
• LLM Applications
• AI-Powered Business Automation
I focus on AI solutions that solve real operational problems—not just impressive demonstrations.
💼Enterprise SaaS & Business Platforms
From MVPs to enterprise-grade systems, I design scalable software that grows with your business.
Examples include:
• SaaS Platforms
• CRM Systems
• ERP Solutions
• Customer Portals
• Admin Dashboards
• Multi-Tenant Applications
• Workflow Management Systems
• Business Process Automation
• Reporting & Analytics Platforms
Every solution is built with scalability, maintainability, and future growth in mind.
💼Full-Stack Engineering Expertise
Frontend
• React.js
• Next.js
• TypeScript
• Material UI
• Responsive Web Applications
Backend
• Node.js
• Express.js
• REST APIs
• GraphQL
• Microservices
Databases
• MongoDB
• PostgreSQL
• Microsoft SQL Server
Cloud & DevOps
• AWS
• Docker
• Nginx
• CI/CD Pipelines
• Cloud Infrastructure
• Performance Optimization
Why Clients Choose Me
===============
I don't simply build software.
I help businesses make better technology decisions.
Clients value working with me because I combine:
✔ Solution Architecture
✔ AI Strategy
✔ Full-Stack Development
✔ Enterprise Software Design
✔ Cloud Architecture
✔ Business Process Understanding
✔ Product Thinking
✔ Clear Communication
Instead of hiring multiple freelancers for architecture, backend, frontend, AI integration, and deployment, you work with one experienced technical partner who understands the complete product lifecycle.
My Development Philosophy
Successful software isn't measured by the number of features—it is measured by the business outcomes it creates.
Every project begins by understanding:
• Your business objectives
• Your users' needs
• Your operational challenges
• Your growth plans
• Your long-term vision
Only then do we choose the right technology stack and architecture.
This approach consistently results in software that is easier to maintain, easier to scale, and delivers long-term value.
Industries I Have Worked With
• Insurance & InsurTech
• Financial Services
• Healthcare
• Logistics & Transportation
• SaaS
• HR Technology
• Automotive
• Enterprise Digital Transformation
What You Can Expect
When you work with me, you can expect:
✅ Clear communication throughout the project
✅ Clean, maintainable, production-quality code
✅ Scalable software architecture
✅ Security-first development practices
✅ On-time delivery with transparent progress updates
✅ A long-term technology partner—not just a freelancer
Let's Build Something That Lasts
If you're looking for someone to simply complete tasks, there are thousands of developers available.
If you're looking for a technical partner who can help design, architect, build, and scale an AI-powered or enterpris
Steps for completing your project
After purchasing the project, send requirements so Hiren can start the project.
Delivery time starts when Hiren receives requirements from you.
Hiren works on your project following the steps below.
Revisions may occur after the delivery date.
Requirement Gathering & Project Planning
We’ll start by understanding your project needs, including the features you require, API endpoints, and OpenAI or GPT model integration (if applicable). I’ll gather detailed requirements for the backend, database, and security features.
Node.js Backend & API Architecture development process