About the Role

You will build and own payment products used by 10,000+ merchants—payment gateways,

merchant dashboards, KYC systems, and subscription engines. You'll work in a small squad (2-4

engineers) with end-to-end responsibility from database schema to production deployment.

AI tools (Cursor, Claude, Copilot) are part of daily workflow. You'll use them to accelerate

development—scaffolding, debugging, documentation—while applying your judgment for

security, edge cases, and business logic.

Roles & Responsibilities

 Build and maintain merchant-facing products—onboarding flows, dashboards,

payment checkout pages, transaction history

 Develop payment APIs—transaction processing, webhook handling,

settlement reconciliation, refund workflows

 Integrate with banking and payment partners—UPI/NPCI, card networks, net

banking, wallets, eKYC providers

 Design database schemas and write optimized queries for high-throughput

transaction processing

 Use AI coding tools (Cursor, Claude, Copilot) to accelerate development—

code generation, debugging, documentation,



refactoring

 Review and validate AI-generated code for security vulnerabilities, edge

cases, performance issues, and business logic correctness

 Ship features end-to-end—from understanding requirements to production

deployment and monitoring

 Debug production issues, respond to incidents, and maintain system

reliability
Tech Stack

React, Next.js, TypeScript, Node.js, Python, PostgreSQL, Redis, MongoDB, AWS, Docker,

Kubernetes

Requirements

 3-5 years building web applications with at least one product shipped to

production

 Proficiency in React/Next.js and Node.js or Python

 Solid SQL skills—writing queries, understanding indexes, query optimization

 Experience using AI coding tools (Copilot, Cursor, or similar) in development

workflow

 Ability to review and validate AI-generated code for correctness and security

 Comfortable working with ambiguous requirements and ite

📌 SabPaisa - Fullstack AI Developer (Delhi)
🏢 NextHire
📍 Delhi