LiveBird Technologies

Nest.js Development

Structured Node.js backends for teams that will grow

NestJS brings modules, dependency injection and conventions to Node.js — the framework we reach for when a backend will be maintained by many engineers over many years. REST, GraphQL, WebSockets, microservices and scheduled jobs in one coherent TypeScript codebase.

Discuss your Nest.js projectHow we work with it
NestJS 11
on Node 22 LTS
REST · GraphQL · gRPC
same modules
OpenAPI
generated from code
assets.controller.tsTypeScript
1@ApiTags("assets")
2@Controller("assets")
3export class AssetsController {
4  constructor(private readonly assets: AssetsService) {}
5
6  @Get("nearby")
7  @ApiOkResponse({ type: [AssetDto] })
8  nearby(@Query() q: NearbyQueryDto) {
9    return this.assets.findNearby(q.lng, q.lat, q.radiusM);
10  }
11
12  @Post()
13  @Roles("editor")
14  @UseGuards(JwtAuthGuard, RolesGuard)
15  create(@Body() dto: CreateAssetDto, @CurrentUser() user: User) {
16    return this.assets.create(dto, user);
17  }
18
19  @Sse("stream")
20  stream(): Observable<MessageEvent> {
21    return this.assets.changes$.pipe(map((a) => ({ data: a })));
22  }
23}

Representative Nest.js code from our projects

01Why Nest.js

What Nest.js does better than the alternatives

01

Architecture built in

Modules, providers, guards, interceptors and pipes give every service the same shape — onboarding takes days, not weeks.

02

Transport-agnostic

The same service class can serve REST controllers, GraphQL resolvers, WebSocket gateways and message-queue handlers.

03

Documentation for free

Swagger/OpenAPI generated from decorators keeps the contract accurate for mobile and web teams.

04

Testable by design

Dependency injection makes unit tests straightforward; the testing module wires integration tests against real databases.

Choose Nest.js when

  • Backends with many modules, roles and integrations maintained by a growing team
  • Organisations that want conventions, testability and generated API documentation
  • Mixed transports — REST for apps, GraphQL for the web, gRPC or queues between services
  • Enterprise and government projects with audit, RBAC and compliance requirements

Not sure it fits? Compare with the alternatives below or ask us — recommendations are part of every consultation.

Nest.js vs. alternatives

02What we build with it

Nest.js in production

Enterprise APIs

Multi-module backends with RBAC, audit logs and OpenAPI docs for web and mobile clients.

GIS platforms

Feature CRUD, spatial queries and tile endpoints on PostGIS, with ArcGIS/Mapbox integration.

Microservices

Kafka, RabbitMQ, NATS or gRPC transports between bounded services.

Real-time gateways

WebSocket gateways streaming positions, alerts and job status.

Scheduled processing

Cron-driven imports, reports and data reconciliation.

Backend-for-frontend

Aggregation layers tailored to specific web or mobile clients.

03How we work with Nest.js

6 ways we deliver on Nest.js

From greenfield builds to rescues and migrations — each engagement is scoped, estimated and delivered by engineers who work in Nest.js daily.

01

REST & GraphQL APIs

Controllers and DTOs with class-validator, Swagger decorators, versioning and pagination conventions; or code-first GraphQL with Apollo/Mercurius and DataLoader.

  • NestJS
  • Swagger
  • class-validator
  • GraphQL

02

Authentication & RBAC

Passport strategies for JWT, OAuth2/OIDC, SAML and API keys; role- and attribute-based guards; session management and audit trails.

  • Passport
  • OIDC
  • CASL
  • Guards

03

Database & spatial layer

TypeORM, Prisma or Drizzle on PostgreSQL/PostGIS; migrations, transactions, spatial DTOs and vector-tile endpoints.

  • Prisma
  • TypeORM
  • PostGIS
  • Redis

04

Microservices & messaging

Nest microservice transports (Kafka, RabbitMQ, NATS, gRPC), event patterns, outbox/idempotency handling and BullMQ queues for background work.

  • Kafka
  • RabbitMQ
  • gRPC
  • BullMQ

05

WebSockets & SSE

Socket.IO or ws gateways with rooms and auth, server-sent events for dashboards, Redis adapters for horizontal scaling.

  • Socket.IO
  • SSE
  • Redis adapter

06

Testing, CI/CD & operations

Jest unit and e2e suites, Docker images, Helm charts or ECS task definitions, health checks, OpenTelemetry tracing and structured logging.

  • Jest
  • Docker
  • Kubernetes
  • OpenTelemetry

04Where it sits

Nest.js in a complete stack

No technology ships alone. This is the reference architecture we start from on Nest.js projects — the highlighted layer is where Nest.js lives; the rest is chosen to fit your data, hosting and team.

Ecosystem we use daily

  • NestJS
  • TypeScript
  • Fastify adapter
  • Swagger
  • class-validator
  • Passport
  • Prisma
  • TypeORM
  • PostGIS
  • GraphQL
  • BullMQ
  • Kafka
  • Socket.IO
  • Jest
  • Docker
  • OpenTelemetry

Reference architectureNest.js layer

  1. 01 · Clients
    • Next.js / React
    • Mobile apps
    • Third-party systems
  2. 02 · NestJS
    • Controllers / Resolvers / Gateways
    • Modules & DI
    • Guards · Pipes · Interceptors
  3. 03 · Domain & jobs
    • Services
    • BullMQ processors
    • Schedulers
  4. 04 · Data
    • PostgreSQL / PostGIS
    • Redis
    • Object storage
  5. 05 · Infrastructure
    • Docker / Kubernetes
    • Kafka / RabbitMQ
    • Cloud provider

05Honest comparison

Nest.js or something else?

Nest.js vs Plain Node.js (Fastify)

Choose NestJS for large, long-lived backends with many contributors; choose a lean Fastify service for small, focused APIs.

Nest.js vs PHP Laravel

Choose NestJS for TypeScript-wide stacks and real-time/microservice needs; choose Laravel for rapid server-rendered products with built-in admin tooling.

Still undecided? The web technology guide walks through when we recommend each option.

All web technologies

06FAQ

Nest.js questions

Looking for the full service? Nest.js work is delivered under our Web Development practice.

Sometimes. For a handful of endpoints we recommend Fastify; once you have auth, roles, several modules and multiple clients, NestJS pays for itself.

Related technologies

Node.js Development

Backends that handle the traffic and the data

Next.js Development

Fast, indexable web apps built on React

PHP Laravel Development

Batteries-included web apps shipped fast, run cheap

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