Web & BackendsNODE.JS 22 · NESTJS · FASTIFY · MICROSERVICES

Node.js & Backend Engineering

High-throughput asynchronous microservices, REST & GraphQL APIs, and real-time event backends built with Node.js and TypeScript.

Architecture Demo
CORE TECHNOLOGY STACK:
Node.jsNode.js
Express.jsExpress.js
TypeScriptTypeScript
MongoDBMongoDB
DockerDocker
AWSAWS
Node.js & Backend Engineering
LEAD CENTERS ARCHITECTURE

Node.js & Backend Engineering

85,000+
Concurrent Req/s
Benchmarked on clustered Node
<45ms
P99 API Latency
Fastify non-blocking pipeline
99.99%
Uptime SLA
Containerized Kubernetes pods
>92%
Test Coverage
Jest & Supertest automated suites
SYSTEM DESIGN & TELEMETRY

Interactive Engineering Architecture

Inspect the decoupled layers, production benchmarks, and deployment pipelines behind our Node.js & Backend Engineering practice.

Enterprise NestJS / Fastify Architecture

Domain-Driven Design (DDD) with clean dependency injection, message queues, and database pooling.

Architecture

NestJS Modular Structure

Enterprise architecture featuring controllers, providers, modules, and guards inspired by Angular.

Speed

Fastify Engine

Low-overhead HTTP framework providing up to 2x faster throughput than classic Express.

ORM

Prisma & TypeORM

Type-safe database ORM with automated migrations and connection pooling for PostgreSQL/MySQL.

Queues

BullMQ & Redis Queues

Distributed job scheduling, background email/PDF generation, and rate-limited worker pools.

SCOPE & SPECIFICATION

What We Deliver

Clear architectural boundaries, automated test suites, and 100% intellectual property transfer on day one.

Backend

Production Node.js / NestJS Service

Robust TypeScript backend codebase with clean modular architecture, input validation, and automated error filters.

  • NestJS or Fastify framework
  • Class-validator DTO validation
  • Global exception filters & logging
  • Strict TypeScript strict mode
Database

Database Schema & Migration System

PostgreSQL or MongoDB schema designs with automated Prisma/TypeORM migrations, indexing, and seeds.

  • Automated schema migrations
  • Optimized B-tree & GIN indexes
  • Read-replica query routing
  • Automated backup snapshots
Security

Authentication & Role-Based Access

Complete authentication subsystem with JWT rotating tokens, OAuth2 social login, session invalidation, and RBAC.

  • Access + Refresh token rotation
  • Role & Permission Guards
  • Bcrypt password hashing
  • Multi-factor authentication (MFA)
Workers

Asynchronous Queue & Worker Service

Redis-backed BullMQ background processing for webhooks, email delivery, media transcoding, and scheduled cron jobs.

  • BullMQ worker pools
  • Automatic failure retries & backoff
  • Dead letter queue (DLQ) alerts
  • Scheduled automated cron jobs
TECHNICAL SPECIFICS

Frequently Asked Technical Questions

Common architectural, governance, and codebase ownership inquiries.

NestJS provides out-of-the-box architectural guidelines, TypeScript first-class support, and dependency injection. This prevents the spaghetti code common in large Express projects as engineering teams grow.

ENGINEER-TO-ENGINEER

Ready to scope your Node.js & Backend Engineering project?

Book a 20-minute architecture review with one of our principal engineers. We review your specifications, discuss trade-offs, and provide a concrete estimate.