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Learning AI
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Learning AI
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Achievement: YOLOAchievement: Pull Shark

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Achievement: YOLOAchievement: Pull Shark

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DevDoshi19/README.md

Welcome to Dev's GitHub

Hey there, I'm Dev 👋

Typing SVG

GitHub followers Profile views LeetCode 285+

👨‍💻 About Me

B.Tech student in Artificial Intelligence & Data Science at ADIT, CVM University (CGPA 9.48 / 10)
I build backend and AI systems to understand how real software works, from retrieval pipelines and LLM workflows
to transactions, caching, queues and system design.

What I care about

🔐 Consistency · money movement that is atomic and idempotent
🧠 Reliable LLM apps · retrieval, guardrails, retries, observability
⚡ Performance · caching, rate limiting, queues, real-time ranking
🏗️ Clean structure · systems that are easy to reason about

learn() → build() → break() → debug() → document() ↻

Still learning. Always building.

 Dev Doshi

💼 Experience

AI Engineer Intern · AIGyde (Remote) · May 2026 – Aug 2026

Evaluated the BizGyde AI product across 10+ modules (RAG reliability, chatbot quality, report generation, session behavior) with root-cause diagnoses and prioritized fixes
Architected FounderTube, a Discord-style founder community with automated email onboarding, and delivered the full integration spec
Shipped an internal LLM-powered news engine that scrapes, filters and summarizes content and auto-pushes 5 curated items every 3 hours,
saving an estimated 10+ hours of manual research per week

🚀 Featured Projects

🧠 VaultMind

Hybrid RAG Intelligence Engine

  • Hybrid retrieval: Pinecone vector search + BM25, merged with Reciprocal Rank Fusion
  • Semantic query relevance gate to filter irrelevant queries before LLM calls
  • Redis caching and per-user rate limiting
  • Multi-layer guardrails: prompt-injection defense, topic scoping, context validation, confidence scoring
  • LangChain, LangSmith, FastAPI, Docker, GitHub Actions

🏦 Bank Transaction System

Concurrent, ledger-based banking API

  • Event-sourced, double-entry ledger with append-only credit/debit records
  • Balances derived by aggregation, not mutable state, to avoid race conditions
  • Atomic transfers using MongoDB sessions/transactions + idempotency keys
  • Transaction lifecycle: PENDING / COMPLETED / FAILED / REVERSED
  • Node.js, Express, MongoDB, JWT, bcryptjs

🏆 Redis Live Leaderboard

Real-time ranking with Redis Sorted Sets

  • Continuously updated rankings built on Redis Sorted Sets
  • Part of my wider Redis learning: TTLs, hashes, queues, BullMQ, pub/sub

🎨 AI Diagram Studio

Natural language → editable architecture diagrams

  • LLM produces structured diagram data, backend streams it over SSE, frontend renders an editable Excalidraw canvas
  • React, FastAPI, PostgreSQL/SQLite

💻 Tech Stack

Tech stack icons

LangChain LangGraph LangSmith FastMCP RAG Pinecone ChromaDB FAISS SQL Pydantic JWT GitHub Actions REST APIs

🧠 AI / LLM LangChain · LangGraph · LangSmith · FastMCP · RAG · Pinecone · ChromaDB · FAISS
⚙️ Backend Python · Node.js · Express.js · FastAPI · PostgreSQL · MongoDB · Redis · JWT Auth · Rate Limiting · Pydantic
☁️ DevOps Docker · GitHub Actions (CI/CD) · AWS (EC2, S3) · Git · GitHub
🎨 Frontend JavaScript · TypeScript · React
📚 Core Data Structures & Algorithms · OOP · RESTful APIs · SQL

🧩 Problem Solving

285+ problems solved on LeetCode, plus GeeksforGeeks and HackerRank practice
Smart India Hackathon participant (2024, 2025) · College Ideathon (2024, 2025)

LeetCode Stats

📈 GitHub Analytics

GitHub streak

🌱 Currently Learning & Building

TypeScript · Redis, BullMQ & pub/sub · System Design · DSA patterns

I also write about AI engineering, LLM systems and multi-agent design patterns on LinkedIn.

🌐 Let's Connect

LinkedIn Email LeetCode HackerRank GitHub

Build things. Understand why they work. Then make them better.

Footer

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  1. DSA DSA Public

    This repository is a hands-on, well-organized Python collection of Data Structures & Algorithms (DSA) implementations. It is designed to help students, developers, and interview candidates study ca…

    Python 2

  2. Redis-live-leaderboard Redis-live-leaderboard Public

    JavaScript 1

  3. Bank-Transaction-System Bank-Transaction-System Public

    A RESTful banking backend built with Node.js, Express, MongoDB, and Mongoose. The project focuses on core backend concepts involved in handling users, accounts, ledger-based balances, money transf…

    JavaScript 1

  4. VaultMind VaultMind Public

    Python

  5. AI-diagram-studio AI-diagram-studio Public

    A full-stack web app that converts text descriptions into Excalidraw diagrams using AI.

    JavaScript 1

  6. CareerForge-AI CareerForge-AI Public

    An AI-powered career accelerator built with Streamlit, Gemini 2.5, and LangChain. Features an intelligent Resume Builder, ATS Scanner, and Career Chatbot to help job seekers land their dream roles.

    Python 7 2