Payments APIs handling 2M requests/day
A secure, scalable platform engineered for the next stage of growth.
99.98% Uptime
View Case Study
NODE.JS DEVELOPMENT
Scalable Backends and Real-Time Apps With Node.js.
APIs, microservices, real-time systems and AI backends built on Node.js. Fast, event-driven and ready to grow with you.
- APIs
- Microservices
- Real-time
- AI backends
Concurrent connections
0
k+
Node.js experts
Cloud-native
0
k+
Concurrent connections
Cloud-native
Node.js experts
WHY NODE.JS
JavaScript Everywhere, Performance at Scale
Node.js copes well with lots of simultaneous requests, which makes it a great fit for APIs, real-time features and integrations.
- Event-driven, non-blocking architecture
- TypeScript for reliable codebases
- Microservices and serverless ready
- Perfect for AI and real-time apps
0
ms
Avg. API response
EVERYTHING NODE.JS
Complete Node.js Services
One team handles all your Node.js work, from the first build through ongoing support.
Node.js API Development
REST and GraphQL APIs.
- Express / Fastify / NestJS
- Auth & rate limits
- OpenAPI docs
Microservices
Independent, scalable services.
- Service design
- Messaging & queues
- Containerized
Real-Time Applications
Chat, live updates and collaboration.
- WebSockets / Socket.io
- Presence & notifications
- Low latency
Serverless Backends
Pay only for what you use.
- AWS Lambda
- Edge functions
- Event triggers
AI & LLM Backends
Power AI features and agents.
- LLM orchestration
- Streaming APIs
- Vector search
Integrations & Automation
Connect your tools.
- Webhooks
- Third-party APIs
- Background jobs
Node.js Migration
Modernize legacy backends.
- Monolith to services
- JS → TypeScript
- Version upgrades
Performance & Scaling
Handle more with less.
- Profiling
- Caching
- Horizontal scaling
Node.js Support
Ongoing maintenance.
- Monitoring
- Security updates
- Bug fixes
Got a Node.js project in mind? We'll send a free estimate within 48 hours.
ECOSYSTEM
Node.js Ecosystem & Integrations
The tools, extensions and integrations we use every day.
Frameworks
Ne
NestJS
Ex
Express
Fa
Fastify
Ty
TypeScript
Data
Po
PostgreSQL
Mo
MongoDB
Redis
Pr
Prisma
Messaging
Ka
Kafka
Ra
RabbitMQ
Bu
BullMQ
So
Socket.io
Cloud & Ops
AW
AWS
Do
Docker
Ku
Kubernetes
Gi
GitHub Actions
WHY AVENIX
Why Choose Avenix for Node.js
Backend Specialists
High-scale experience.
TypeScript First
Safer, cleaner code.
Cloud-Native
Built for AWS & containers.
Observability
Logs, metrics, tracing.
AI-Ready
LLM and agent backends.
Reliable Support
SLAs available.
ENGAGEMENT MODELS
Flexible Ways to Work With Us
Fixed-Scope Project
Clear scope, timeline and price.
- Detailed estimate
- Milestone payments
- Ideal for new builds
MOST POPULAR
Dedicated Node.js Developer
A senior developer embedded in your team.
- Full-time or part-time
- Daily stand-ups
- Scale up or down monthly
Support & Maintenance
Ongoing updates, fixes and improvements.
- Monthly retainer
- Guaranteed response times
- Security & updates
HOW WE WORK
Our Node.js Development Process
01
Discover
Goals, users and requirements.
02
Plan
Architecture, scope and estimate.
03
Design
UX/UI and technical specs.
04
Develop
Agile sprints with weekly demos.
05
Test & Launch
QA, security and deployment.
06
Support
Maintenance and improvements.
CASE STUDIES
Node.js Projects We've Delivered
Real projects, real people, results you can measure.
Live classroom collaboration
A secure, scalable platform engineered for the next stage of growth.
10k+ Concurrent Users
View Case Study
An LLM backend for an AI agent product
Production-grade LLM engineering: fast, measurable and cheaper to run.
-40% Latency
View Case StudyINDUSTRIES
Node.js Solutions for Every Industry
TESTIMONIALS
What Our Clients Say
“The Node.js backend scaled through our biggest launch without a hiccup. Rock solid.”
Daniel Morgan
Head of Product, Northwind Retail
NORTHWIND
“From brand to website to SEO, it finally feels like one story. Leads are up 75% and our team actually enjoys working with them.”
Amara Okafor
Marketing Director, Lumora Health
Lumora
FAQS
Node.js FAQs
Can’t find what you need? Our team is happy to help.
Still have questions?
Talk to a real person, not a bot.
Is Node.js good for large apps?
Yes, with TypeScript, sound architecture and frameworks like NestJS.
Can you build real-time features?
Yes, chat, notifications, live dashboards and collaboration.
Do you build AI backends?
Yes, including LLM orchestration, streaming and vector search.
Can you work with our existing API?
Yes, we audit and extend existing systems.
KEEP EXPLORING
Related Technologies & Services
API Development
APIs & integrations.
AI Development
AI features.
Let's Build a Backend That Scales.
Tell us what you’re building and we’ll recommend an approach, timeline and team.
- Free 30-min consultation
- Reply within 1 business day
- NDA on request
Talk to Arjun & the team
Usually replies in a few hours