Innovative AI Solutions | AI Development, Web & Mobile Apps – Delhi, India
Delhi NCR, India

Best Node JS Development
Company in Delhi

High-performance Node.js backends, REST APIs, GraphQL services, and real-time applications — built by experienced backend engineers based in Delhi. Scalable from day one.

4+
Years Node.js Exp.
Express & Fastify
Core Frameworks
Real-Time
WebSocket Ready
₹29,999
Starting Price
100%
Code Ownership
What We Build

Node JS Development Services in Delhi

From simple REST APIs to complex real-time platforms — complete Node.js backend development by a single Delhi team.

REST API Development

Clean, documented REST APIs with Express or Fastify. JWT authentication, role-based access control, rate limiting, and OpenAPI/Swagger docs included.

GraphQL API Services

Type-safe GraphQL APIs with Apollo Server or Mercurius. Subscriptions, dataloaders for N+1 prevention, and schema-first design with codegen.

Real-Time Applications

Live chat, notifications, collaborative tools, and live dashboards with Socket.io and Redis pub/sub — handling thousands of concurrent connections.

Microservices Architecture

Node.js microservices with message queues (RabbitMQ, Kafka, BullMQ). API gateway pattern with rate limiting, circuit breakers, and distributed tracing.

AI Backend Gateway

Node.js API gateway for LLM integrations — streaming OpenAI/Claude responses, RAG-pipeline calls to Python backends, and AI result caching.

Serverless Node.js

AWS Lambda functions, Cloudflare Workers, and Vercel Edge Functions in Node.js. Pay-per-request, zero-maintenance, infinitely scalable backends.

Tech Stack

Node.js Ecosystem We Use

We pick the right Node.js tools for each project — Fastify over Express when performance is critical, BullMQ for job queues, Prisma for type-safe database access.

Discuss Your Architecture

Frameworks

Express.jsFastifyNestJSHonoKoa

Database & ORM

PrismaTypeORMMongoosePostgreSQLMongoDBRedis

Messaging & Queue

BullMQRabbitMQKafkaSocket.ioMQTT

Infra & DevOps

DockerAWS EC2/LambdaNginxPM2GitHub Actions
Why Choose Us

Why We're Delhi's Best Node JS Development Company

Performance-First Design

We use Fastify (3× faster than Express) for high-throughput APIs, async/await throughout, and database query optimization with EXPLAIN ANALYZE on every slow query.

🔒

Security by Default

Helmet.js, CORS, rate limiting, input validation with Zod/Joi, SQL injection prevention via parameterized queries — OWASP Top 10 addressed before your API goes live.

📝

Auto-Generated API Docs

Every API we build ships with Swagger/OpenAPI documentation generated from the code. Your frontend team can integrate without needing to ask questions.

🏙️

Delhi Office

Our backend engineers are in Shakurpur, Delhi. Meet us in person, review API contracts on a whiteboard, and avoid offshore timezone and communication issues.

🔗

Full-Stack Available

Same team builds your React/Next.js frontend. The Node.js backend and React frontend are designed together — no mismatch between what the API returns and what the UI expects.

📊

Observable & Monitorable

We set up structured logging (Winston/Pino), error tracking (Sentry), and APM metrics so you know exactly what your Node.js backend is doing in production.

Pricing

Node JS Development Cost in Delhi

Fixed-price packages. No hourly billing. API scope agreed in writing before development starts.

REST API

₹29,999

one-time fixed price

  • Express or Fastify
  • Up to 15 endpoints
  • JWT authentication
  • PostgreSQL / MongoDB
  • Swagger API docs
  • Docker + deployment
  • 30 days support
Get Quote
Most Popular

Full Backend System

₹89,999

one-time fixed price

  • Node.js + Prisma + PostgreSQL
  • User auth + OAuth
  • Background jobs (BullMQ)
  • Payment integration
  • Email / WhatsApp notifications
  • Admin panel API
  • 60 days support
Get Quote

Real-Time / Microservices

Custom

scoped per requirements

  • WebSocket real-time layer
  • Microservices with message queue
  • API gateway + rate limiting
  • Redis caching layer
  • Distributed tracing
  • SLA-backed maintenance
Request Proposal

Need a Node.js Developer in Delhi?

Free 30-minute consultation. We'll review your API requirements and give a fixed-price estimate — same call.

Book Free Consultation Call Us

Node JS Development FAQs

How much does Node.js development cost in Delhi?
A basic REST API with authentication starts from ₹29,999. A full backend system with auth, job queues, payments, and admin API costs ₹89,999. Real-time or microservices projects are scoped individually. All prices are fixed — no hourly billing.
Express.js or Fastify — which Node.js framework do you use?
We use Fastify for new high-throughput APIs (it's 3× faster than Express and has better TypeScript support). We use Express for projects that need broad middleware ecosystem compatibility. For NestJS fans, we also build with NestJS for larger, more structured backends. We recommend the right choice after reviewing your requirements.
Can Node.js handle real-time features like live chat or notifications?
Yes — Node.js excels at real-time use cases because of its event-driven, non-blocking architecture. We use Socket.io for WebSocket connections and Redis pub/sub to scale across multiple server instances. We've built real-time dashboards, live auction systems, and collaborative tools with this stack.
Do you integrate Node.js backends with Indian payment gateways?
Yes. We integrate Razorpay, PayU, Cashfree, and Instamojo into Node.js backends — including webhook handling, subscription billing, refund APIs, and UPI payment flows. We also set up GST-compliant invoice generation.
Can you work with my existing Node.js codebase?
Yes. We regularly audit, refactor, and extend existing Node.js backends — fixing security issues, improving performance, adding missing features, or migrating from callbacks/Promises to async/await and TypeScript.
How long does a Node.js backend project take in Delhi?
A simple REST API takes 1–3 weeks. A full backend system with auth, queues, and payments takes 4–8 weeks. A microservices platform with real-time features takes 10–16 weeks. We provide a milestone-based delivery schedule with exact dates before the project starts.

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