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Senior / Staff

Hire senior Node.js and NestJS backend developers

Backend developers who build modular NestJS and Fastify services in strict TypeScript — with validation at the edges, typed data access, and tests that make refactoring safe.

Role profile

What we look for in a Senior Node.js & NestJS Developer

Seniority and experience are agreed in the proposal, and you interview every engineer before they start. These are the skills that interview should test.

01

Modular NestJS architecture

Domain modules, dependency injection and guards arranged so the codebase stays navigable as it grows.

02

Fastify services

Schema-based validation and serialization for throughput-sensitive services and webhooks.

03

Typed data access

Prisma or Drizzle models with reviewed migrations, and query plans checked on the hot paths.

Typical work

What a Senior Node.js & NestJS Developer typically works on

Examples of the scope this role is hired for. Your statement of work sets the actual deliverables and how they are accepted.

  1. 01Multi-tenant NestJS backends for B2B SaaS
  2. 02Refactoring legacy Express code into structured, typed modules
  3. 03Webhook receivers with idempotency and retry handling
  4. 04OpenAPI documentation generated from Zod or class-validator schemas

Stack and tools

What this role works with day to day. Tell us your stack and we’ll say plainly which parts we can staff.

  • Node.js
  • NestJS
  • Fastify
  • TypeScript
  • Prisma / Drizzle
  • PostgreSQL

Technology guides

Related service

Custom software development

A system built around your workflow, shipped in weekly increments — not a rewrite that lands a year late.

How hiring works

Four steps, agreed in writing before anyone starts

  1. 01

    Tell us the role

    The stack, the seniority you need, the hours you want covered, and any certifications the work requires. We reply within one business day.

  2. 02

    We propose engineers

    A written proposal sets out who we'd put forward, their seniority and experience, the scope, and the terms. If we can't staff the role well, we say so.

  3. 03

    You interview every engineer

    Nobody starts on your codebase until you've interviewed them and agreed. Use the skills on the role page as your interview checklist.

  4. 04

    Working arrangements go in the SOW

    Working-hours overlap is agreed for each engagement and written into the statement of work — the shared window, who shifts hours, and how handoffs work outside it.

QuantmHill provides development teams from India for Indian startups and SMEs. Role profiles describe project capabilities; availability is confirmed for your engagement. Our team works on India Standard Time. Project working hours, availability and handoff responsibilities are agreed before kickoff.

Need specific certifications? Tell us at the start and we'll confirm whether we can staff to that requirement before you sign. There are no recruiting fees.

FAQ

Questions about hiring a Senior Node.js & NestJS Developer

Answered the way we would on a call. If yours isn’t here, send it — we reply within one business day.

NestJS gives you modules, dependency injection and conventions out of the box, which keeps larger teams consistent. Express is fine for small services; we'll use whichever suits the size of the codebase.

Yes — unit tests for services, and integration tests against a real database for repositories and endpoints, with Jest or Vitest. Coverage targets are agreed with you rather than fixed at a number.

Add a Senior Node.js & NestJS Developer to your team

Tell us the stack, the seniority you need and the hours you want covered. We reply within one business day, and you interview every engineer before they start.