About Us

We build COD King and RabbitPay — a one-click checkout and COD verification suite for D2C Shopify brands. Fully remote team, high ownership, clean architecture.

What You'll Do

- Build a world-class one-click checkout platform processing real payments at scale for D2C brands
- Own payment gateway integrations end to end — Razorpay, Cashfree, UPI flows, webhooks, and reconciliation
- Build Shopify apps end to end — OAuth, webhooks, GraphQL/REST Admin API, app embeds, metafields
- Build and maintain enterprise-grade Rails APIs and background jobs powering the checkout
- Understand the full backend infrastructure and write scalable, production-ready code
- Ship features across our checkout (Svelte) and merchant dashboard (React)
- Fix bugs, write tests, review code, and improve performance
- Work directly with product to turn requirements into shipped features





What We're Looking For

- 2+ years of skilled software development experience
- Shopify ecosystem experience — apps, Admin API, webhooks, or theme/storefront work
- Strong CS fundamentals — data structures, algorithms, software design
- Hands-on with Ruby or JavaScript/TypeScript
- Back-end experience: REST APIs, PostgreSQL, Rails (or similar framework)
- React / Svelte and Sidekiq / Redis experience
- Payments experience — Razorpay, UPI, gateways, webhooks
- AWS / Heroku and CI/CD pipelines
- Comfortable with Git, testing, and debugging
- Works independently and communicates clearly in a remote team
- B.Tech/B.E. in CS or equivalent practical experience

📌 Full Stack Engineer (India)
🏢 COD King (Notifik Technologies)
📍 India