Role Overview

We are seeking a skilled Backend Developer to design, build, and maintain scalable, secure, and high-performance server-side applications. The ideal candidate has strong expertise in Node.js and NestJS, deep understanding of TypeScript, API design, database modeling, and backend architecture, along with solid problem-solving and system-level thinking.

Responsibilities

Design and develop scalable RESTful APIs and backend services.
Implement robust input validation, DTOs, and request/response schemas.
Build and maintain database models, relationships, and migrations.
Integrate third-party services (storage, auth, external APIs).
Ensure application security, performance, and reliability.
Implement middleware, guards, interceptors, and exception handling.
Collaborate with frontend, DevOps, QA, and product teams.
Debug production issues and improve backend code quality.
Participate in architectural decisions and backend design reviews.

Requirements

Core Backend Tech

Node.js
NestJS
TypeScript

API & Validation

REST API design principles
DTOs and validation using class-validator, class-transformer, or Zod
API documentation using Swagger / OpenAPI

Architecture & Patterns

Strong understanding of OOP concepts
Dependency Injection (DI) and inversion of control
Modular and layered architecture
Middleware, guards, pipes, and interceptors in NestJS

Database & ORM

Experience with Prisma / TypeORM / MikroORM
Strong knowledge of PostgreSQL
Indexing
Joins & relations
Query optimization
Transactions

Node.js Fundamentals

How Node.js works internally
Event loop
Async I/O
Promises & async/await
Error handling and memory considerations

Optional Skills (Good to Have)

Pure Express.js (without frameworks)
File handling & uploads (streams, buffers)
AWS S3 or compatible object storage
Background jobs / queues
Caching (Redis)
Authentication & authorization (JWT, OAuth)
Docker & basic deployment knowledge

Traits We Value

Ownership and accountability
Ability to reason about backend architecture and data flow
Clean, maintainable, and testable code
Performance-driven and security-aware mindset
Strong debugging and problem-solving skills

Experience

1–4 years of backend development experience