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 qualified 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 (Bengaluru)
🏢 COD King (Notifik Technologies)
📍 Bengaluru