Node.js
Real-time backends with Node.js
Fast, event-driven APIs and services built with Node.js and Express for real-time, high-traffic apps.

Overview
A partner for your Node.js goals
Excellon delivers end-to-end Node.js services for startups, SMBs and enterprises. Fast, event-driven APIs and services built with Node.js and Express for real-time, high-traffic apps.
From discovery and design through development, testing and launch, we tailor our approach to your goals, timeline and budget — and keep you informed at every step so there are no surprises.
What we offer
REST & GraphQL
Flexible, modern APIs.
Real-time Apps
Chat, live data and notifications.
Microservices
Independently scalable services.
Event-driven
High-throughput backends
- High concurrency
- Scalable services
- Secure APIs
- Cloud ready

Why choose Excellon
Experienced Team
Senior developers, designers and marketers who have shipped products at scale across industries.
Transparent Delivery
Clear timelines, regular demos and honest communication, so you always know where your project stands.
Results-Focused
Everything we build is tied to measurable outcomes — speed, conversions, retention and revenue.
In depth
APIs and real-time systems on Node.js
Node.js excels where connections are many and responses must be instant: APIs, chat, live dashboards, notification pipelines and integration layers between systems that were never meant to talk.
We write typed Node services with observability from day one — structured logs, tracing and health checks — because an API is only as good as your ability to see inside it at 2 a.m.
What is included
- REST and GraphQL APIs with typed contracts
- Real-time features — sockets, queues, live updates
- Integration layers between SaaS tools and legacy systems
- Observability — logging, tracing, alerting built in
Frequently asked questions
What do you build with Node.js?
APIs, real-time apps, microservices and backends for web and mobile — anywhere fast, scalable JavaScript on the server makes sense.
Can Node.js handle real-time features?
Yes — chat, live dashboards, notifications and collaborative tools using WebSockets are a natural fit for Node.
Do you build REST and GraphQL APIs?
Both. We design clean, documented APIs that power your front-ends and third-party integrations.
How do you ensure the backend scales?
With stateless services, caching, queues and load balancing, plus monitoring, so the system stays responsive under load.
Do you handle security and authentication?
Yes — secure auth, input validation, rate limiting and best-practice hardening are standard in every Node build.
How we deliver
A clear path from idea to launch
1
Discovery
We learn your goals, users and constraints to define what success looks like before any code is written.
2
Design & Plan
We map the architecture and craft interfaces and prototypes you can see, test and refine early.
3
Build & Test
We develop in short, fully tested sprints with visible progress and quality checks at every step.
4
Launch & Grow
We ship carefully, then maintain, monitor and improve your product as your business scales.

Let’s build something great together
Tell us about your project and we’ll show you how Excellon can help you grow.