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backend-typescript-developer

Develop TypeScript backends with three-tier architecture, authentication, and Jest tests.

Updated Feb 7, 2026
Search Tags:#typescript#testing#architecture#security#authentication#backend#api-design
One-click install
npx skills add https://github.com/nechmads/blogging-system --skill backend-typescript-developer
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: backend-typescript-developer
Source: https://github.com/nechmads/blogging-system/tree/main/.codex/skills/backend-typescript-developer
Command: npx skills add https://github.com/nechmads/blogging-system --skill backend-typescript-developer

SYSTEM DOCUMENTATION & REQUIREMENTS

## What problem does it solve? This Skill provides a blueprint for building enterprise-grade TypeScript backends with a clean three-tier architecture, enabling robust APIs, secure authentication, and scalable data access.

## Core Features & Use Cases

  • Architectural clarity: API Layer (routes/middleware), Business Logic Layer (pure functions), Data Layer (db ops).
  • Security & reliability: authentication, authorization, input validation, and comprehensive error handling.
  • Testing discipline: Jest-driven tests for APIs, business logic, and data access.
  • Use cases include building REST or GraphQL backends for SaaS platforms, microservices, and enterprise systems.

### Quick Start Create a new TypeScript backend project, organize code into src/api, src/bl, and src/dl, add example routes and services, and run the Jest test suite to verify everything works.

Frequently Asked Questions about backend-typescript-developer

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build a scalable TypeScript backend with clean architecture?▼

Build scalable TypeScript backends using a three-tier architecture separating API routes, business logic, and data access layers. This enforces strong typing, clean separation of concerns, and robust data access for enterprise systems.

Does this approach work with NestJS, Express, and Fastify?▼

Yes, this TypeScript backend approach works across NestJS, Express, and Fastify stacks. It applies context-aware integration to implement scalable APIs, authentication, and data access regardless of your chosen framework.

How do I add authentication and input validation to a TypeScript API?▼

Add authentication and input validation to your TypeScript API by implementing security best practices within the business logic and API layers. This ensures robust authorization and comprehensive error handling across your application.

What is the best way to test TypeScript backend APIs and business logic?▼

The best way to test TypeScript backend APIs is using Jest-driven tests. This testing discipline covers APIs, pure business logic functions, and data access operations to ensure reliability and comprehensive coverage.

Can I use this for building microservices and enterprise SaaS platforms?▼

Yes, you can use this TypeScript backend approach for building REST or GraphQL backends tailored for SaaS platforms, microservices, and enterprise systems. It delivers architectural clarity and security needed at scale.

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