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sn0914r/README.md

Sivananda Reddy

A final-year Computer Science student focused on backend engineering. I build backend systems using Node.js, TypeScript, PostgreSQL, Redis, and Docker, with a focus on APIs, integrations, and distributed services.

Tech Stack

Languages: JavaScript · TypeScript · Python
Backend: Node.js · Express.js · FastAPI
Databases & Caching: PostgreSQL · MongoDB · Redis
Frontend: React
Tools & DevOps: Docker · Git · GitHub · Postman

Projects

Payment Orchestration Engine

A multi-gateway payment routing and orchestration service that unifies Razorpay and Cashfree behind a single API. It supports dynamic gateway routing and automatic fallback, along with idempotent payment processing, secure webhook verification, duplicate webhook protection, and payment event audit logging.

Stack: Node.js · Express.js · TypeScript · PostgreSQL · Drizzle ORM · Docker

eKart

A full-stack e-commerce platform with a microservices-based architecture, providing product catalog, cart, order management, and inventory tracking. It uses Redis for caching and rate limiting, integrates the Payment Orchestration Engine for multi-gateway payments, and uses BullMQ for asynchronous email notifications.

Stack: React · Node.js · Express.js · MongoDB · Redis · Docker · BullMQ · Cloudinary

Mock API AI

An LLM-powered mock REST API generator with runtime validation and CRUD support, built to generate APIs dynamically from natural language input.

Stack: Node.js · TypeScript · PostgreSQL · Drizzle ORM · Groq API

Quick Links

LinkedIn · Email · Resume · Portfolio

GitHub: @sn0914r

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  1. payment-orchestration-engine payment-orchestration-engine Public

    A payment orchestration service that routes transactions across Razorpay and Cashfree with gateway routing, webhook verification, idempotency, and PostgreSQL audit logging.

    TypeScript 5 3

  2. ekart-backend ekart-backend Public

    REST API for eKart built with Node.js, Express, and MongoDB. Features RBAC, JWT refresh tokens, Razorpay integrations, Redis rate limiting, and Docker support.

    JavaScript 4

  3. mock-api-ai-backend mock-api-ai-backend Public

    REST API backend for Mock API AI. Uses Groq LLM to generate mock APIs from prompts, with PostgreSQL, persistance and dynamic CRUD routing

    TypeScript 1

  4. ekart-frontend ekart-frontend Public

    Customer-facing frontend for the eKart ecommerce platform built with React, Vite and Zustand. Features JWT auth, cart, wishlist, Razorpay payments, and order management

    JavaScript 3

  5. ekart-admin-panel ekart-admin-panel Public

    Admin dashboard for ekart - manage orders, inventory, and products. Built with React and Vite, with Recharts analytics and low stock alerts.

    JavaScript 3

  6. mock-api-ai-frontend mock-api-ai-frontend Public

    Frontend for Mock API AI - generates mock REST APIs from natural language prompts. Built with React, Vite and Tanstack Query

    TypeScript 1