Backend Integrations Engineer
You will build and maintain integrations connecting client platforms with third-party payment gateways, CRMs, and communication services.
What you'll work with.
As a Backend Integrations Engineer at TheWebVale, you will connect client software to external ecosystems including Razorpay, Stripe, WhatsApp Business, SendGrid, and accounting tools. You will ensure data flows securely and consistently between systems for business clients. You will partner with backend engineers and product leads to deliver verified integrations during our two-to-three week sprint cycles. You will build resilient webhook handlers and error-tolerant synchronization routines.
Your day to day.
6 things, one at a time. Keep scrolling.
Develop integrations with payment gateways, SMS providers, and WhatsApp APIs.
Build fault-tolerant webhook ingestion endpoints with signature verification and retries.
Transform external data formats into clean internal database models and events.
Implement exponential backoff and rate-limiting handling for third-party calls.
Write comprehensive integration tests against sandbox and mock external APIs.
Document integration workflows and credential setup guides for client teams.
What we look for.
6 things, one at a time. Keep scrolling.
Possess 2–4 years of backend development experience with an integrations focus.
Demonstrate high proficiency in Node.js, TypeScript, and REST API development.
Show practical experience integrating payment gateways like Razorpay or Stripe.
Understand webhook processing, idempotency keys, and asynchronous message flows.
Exhibit strong debugging skills when tracing third-party payload discrepancies.
Communicate integration status and edge-case exceptions with clarity.
What you get.
Three steps, no tricks.
- 1
Intro chat
A short call about what you want to work on and how you like to work.
- 2
Work review
Walk us through projects, code or designs you are proud of.
- 3
Paid task
A small paid task or pairing session, so both sides see the fit.
Apply for Backend Integrations Engineer .
Tell us about your work. We reply to every application, usually within a few days.