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Krishna-Rao-dev/README.md

Typing SVG


About

Third-year student at Pune Institute of Computer Technology pursuing Computer Engineering and Finance minor. Currently AI Robotics Intern at Qodequay Technologies, building computer vision pipelines with OpenCV for real-time object detection and visual processing.

Previously at The Zeal Organisation - a non-profit organisation, as a full-stack intern - shipped a production MERN platform with JWT auth, RBAC, and admin dashboards supporting real-world organizational workflows.

Technological Interests: Backend infrastructure, Distributed Systems, Cloud Computing, Agentic AI systems, Fintech applications.


Tech Stack

Languages

C++ Python JavaScript

Backend & Infrastructure

Node.js Express FastAPI Docker AWS Redis

Frontend

React HTML5 CSS3

Databases

PostgreSQL MongoDB MySQL

AI / ML

LangChain LangGraph OpenCV


Key Projects

Distributed Rate Limiter

Node.js Express Redis Lua

Token Bucket rate limiter with per-client Redis state and atomic Lua scripts. Enforces configurable burst capacity, refill rates, HTTP 429 responses, rate-limit headers, and Retry-After semantics. Benchmarked at 2,100+ req/sec, 4.17 ms avg latency, 7 ms p99 across 22K+ requests.

View Repository


Self-Hosted File Management System

React Node.js PostgreSQL AWS S3

Full-featured file platform with secure auth, RBAC, hierarchical folders, presigned S3 uploads/downloads, multipart transfers, and integrity verification. PostgreSQL schema isolates user data, folder structure, and file metadata from S3 storage. Every file operation validates ownership or sharing permissions before issuing short-lived S3 URLs - bucket stays private throughout.

View Repository


BFSI Compliance & Fraud Detection

React FastAPI MongoDB AWS EC2 AWS S3

End-to-end compliance intelligence platform using Tesseract OCR and LLM-based extraction to automate regulatory document processing and generate audit-ready compliance reports. Backend deployed on EC2, frontend hosted on S3.

View Repository


Call2Cart - AI Phone Ordering Agent

React FastAPI LangGraph Twilio MongoDB Redis

Conversational AI agent that automates restaurant ordering entirely over phone calls - customers place orders, modify items, provide delivery details, and confirm purchases with no human intervention. Redis-backed menu caching cut database read latency from ~10s to 3s. Includes MongoDB customer profiling, real-time order sync to a restaurant dashboard, and Twilio SMS notifications.

Demo | Repository


GitHub Stats

Achievements

  • Semi-Finalist, Flipkart Grid 8.0
  • Semi-Finalist, COEP MindSpark Hackathon
  • Member, Swiggy Builders Group
  • 400+ DSA problems solved on LeetCode | Max Rating 1494

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    Web Application - Inorder to help you with counting japa (chanting) with simple interface and special modes for concentrating on the chanting.

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  6. Sample Sample Public

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