Fullstack Engineer

About this role

This is a backend-heavy fullstack role. You'll spend the majority of your time in Node.js and PostgreSQL — designing schemas, writing APIs, handling payment webhooks, building async job pipelines. You'll also build and ship web interfaces in Next.js when the feature demands it.

You won't have a separate backend team to hand off to or a DBA to consult. You write the query, you profile it, you fix it.

What you'll work on

Payment and transaction infrastructure — webhook processing, idempotency, reconciliation, payout flows across multiple gateways

Multi-tenant data architecture — schema design, data isolation, performance at scale

APIs consumed by web and mobile clients — clean contract design, versioning, error handling

Async job pipelines — Redis for caching, notifications, and crons for scheduled workflows

Web interfaces in Next.js — near pixel-perfect frontend, but functional, shippable product surfaces

What we're looking for

Must-haves

2–4 years of experience building production backend systems in Node.js + TypeScript

Strong PostgreSQL fundamentals — you write raw SQL, understand query plans, and know when your ORM is lying to you

Experience building and maintaining REST APIs at real user scale (not demo projects)

End-to-end ownership instinct — you've shipped features from spec to production, not just implemented tickets

Comfort with async patterns — queues, retries, idempotency, race conditions

Strong signals

Payment domain exposure — UPI, gateway webhooks, reconciliation, settlement flows

Multi-tenant SaaS context — you've thought about data isolation, tenant-level configs, shared infra

You've debugged a production incident under pressure and can tell the story clearly

Nice-to-haves

Experience with BullMQ, Redis, or similar queue infrastructure

Observability discipline — structured logging, query profiling, knowing what to instrument before things break

AI tooling in your day-to-day (Claude Code, Cursor, Copilot) — we use these actively

B2B SaaS or India-market product experience

Next.js exposure — you're not a frontend specialist, but you can ship a working page

What we explicitly don't require

A CS degree from a specific tier of college

FAANG or large-company experience

DevOps or cloud infrastructure expertise — nice to have, not load-bearing

How we work

On-site in Gurugram (Sector 27), 6-day week with alternate Saturdays off

Bi-weekly release cycle, every alternate Thursday

Real product, real customers, real revenue — your backend decisions affect transaction reliability directly

Small EPD team (~10 engineers), tight feedback loops, low process overhead

We use Claude Code, Cursor, GitHub MCP, and other modern AI tooling in our day-to-day engineering