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Jaymin4724/README.md

👋 Hi, I'm Jaymin Dave

💻 Software Engineer | Python | FastAPI | AI Application Developer | MSc IT @ DAU

✨ Building scalable backend systems, AI-powered applications, and production-ready software with Python.

🚀 About Me

  • I'm a software engineer passionate about backend engineering, AI-powered applications, and building scalable systems.
  • During my internship at Armakuni and personal projects, I built production-style FastAPI backends, AI-powered applications, asynchronous processing pipelines, and distributed systems while gaining hands-on experience with modern backend engineering practices.
  • I enjoy designing clean architectures, understanding how systems work under the hood, and continuously improving my engineering skills through real-world projects.
  • Outside of engineering, I enjoy reading, meditation, and continuous learning. I believe consistency and curiosity are just as important as technical skills.

🎯 Current Goals

  • Build production-grade AI applications that solve real-world problems.
  • Design scalable backend systems with clean architecture and cloud-native practices.
  • Deepen my understanding of distributed systems, system design, and software architecture.
  • Identify meaningful real-world problems where software and AI can create measurable impact.
  • Build products used by real users and continuously improve them through real-world feedback.

🛠 Tech Stack

  • Languages: Python, C++, JavaScript, SQL
  • Backend: FastAPI, SQLAlchemy, REST APIs, AsyncIO, Celery, JWT, OAuth2
  • Databases: PostgreSQL, Redis, SQLite, MongoDB
  • AI / LLM: Prompt Engineering, RAG, LangChain, LangGraph, LLM Applications
  • Cloud & DevOps: Docker, AWS (EC2, RDS, S3, Lambda, IAM, ECR, ECS, CloudFront, VPC, SNS, SQS)
  • Testing: Pytest, TDD, Mocking
  • Developer Tools: Git, GitHub, Linux, Postman

🚀 Featured Projects

💼 Professional Projects (Armakuni)

🚀 FlowBoard

Scalable task management platform built with asynchronous FastAPI, JWT authentication, Redis and Celery powered workflows, AWS S3 integration, Dockerized deployment, and a comprehensive 53-test Pytest suite with 75% test coverage.

Tech: FastAPI, PostgreSQL, Redis, Celery, AWS S3, Docker, Pytest

🔗 Repository: https://github.com/Jaymin4724/flowboard/

🎬 CineBook

Scalable movie ticket booking backend focused on concurrency-safe seat booking, RBAC, Google OAuth2 authentication, Elasticsearch-powered search, and transaction-safe booking workflows.

Tech: FastAPI, PostgreSQL, Redis, Elasticsearch

🔗 Repository: https://github.com/Jaymin4724/cinebook/

🤖 Prompt2SQL

AI-powered Text-to-SQL backend that converts natural language into executable SQL using dynamic schema retrieval, prompt engineering, SQL validation, conversation memory, and LLM-based result explanation.

Tech: FastAPI, PostgreSQL, Redis, Groq, LangChain

🔗 Repository: https://github.com/Jaymin4724/Prompt2SQL/

📰 FlashRead

Automated newsletter aggregation platform that scrapes articles, generates AI summaries, categorizes content, and delivers scheduled email digests.

Tech: FastAPI, Celery, Redis, BeautifulSoup, Groq

📄 PDF Chat

RAG-based application that enables conversational querying over PDF documents using semantic retrieval and vector search.

Tech: LangChain, ChromaDB, Sentence Transformers, Groq

🔁 Boomerang (Team Contribution | Repository is Private)

Contributed to the ingestion and clustering agents of a multi-agent AI platform for marketplace return-risk detection built on AWS Bedrock during an internal hackathon.

Tech: FastAPI, AWS Bedrock, DynamoDB, Step Functions

🌱 Personal Projects

📑 Receiptify

Intelligent receipt processing backend that automates OCR, structured data extraction, and expense tracking.

Tech: Node.js, AWS S3, Google Vision API, Gemini API

🔗 Repository: https://github.com/Jaymin4724/receiptify

💬 HeyYo ChatApp

Real-time chat application with JWT authentication, Socket.IO-based messaging, online status tracking, and Zustand state management.

Tech: React.js, Node.js, Express.js, MongoDB, Socket.IO, JWT, Zustand

🔗 Repository: https://github.com/Jaymin4724/HeyYo-ChatApp/

📚 The Enchanted Library

Role-based library management system built to practice OOP principles, SOLID, and 10+ design patterns.

Tech: Python, Design Patterns, SOLID

🔗 Repository: https://github.com/Jaymin4724/The-Enchanted-Library/

🚨 ResQNet

Crowdsourced disaster response system featuring normalized PostgreSQL schemas and optimized SQL queries.

Tech: PostgreSQL, SQL

🔗 Repository: https://docs.google.com/document/d/1zuySsQ921Wy1uWoqs7bBEKzux-WN2ZRVfwz96hHcW2Y/edit?usp=sharing

🏆 Highlights

  • 🥇 1st Prize – Winter of Code 7.0 (Node.js category, out of 60).
  • 🥉 3rd Place – HackOut'24 (top 3 out of 1500+).
  • 👨‍💻 Contributor to open-source Teaching Aid platform (MERN + QR scanning).

🔗 Connect with Me

📧 Email: mailto:Jaymin4724@gmail.com

💼 LinkedIn: https://linkedin.com/in/jaymin4724

🐙 GitHub: https://github.com/jaymin4724

Pinned Loading

  1. cinebook cinebook Public

    A production-style async FastAPI movie ticket booking backend with concurrency-safe seat locking (Redis + Lua), PostgreSQL, Elasticsearch search, and role-based admin.

    Python

  2. Prompt2SQL Prompt2SQL Public

    Connects to any PostgreSQL database at runtime and answers plain-English questions with SQL, results, and an explanation — via a LangChain tool-calling agent with per-session Chroma schema retrieval.

    Python

  3. flowboard flowboard Public

    A production-style async backend API for task management with authentication, background job processing, file storage, and containerized deployment.

    Python 1

  4. the-enchanted-library the-enchanted-library Public

    Implemented OOP with Book hierarchy, lending policies, and role-based access. Used Factory, Singleton, Builder for object creation. Facade, Adapter, Decorator for structure. Observer, Strategy, Com…

    Python

  5. receiptify receiptify Public

    Receiptify solves problem of manual entry of receipts by offering a seamless, automated workflow for expense management. The application's core strength and USP lies in its Intelligent Receipt Proc…

    JavaScript 1

  6. HeyYo-ChatApp HeyYo-ChatApp Public

    HeyYo is a real-time chat application built with the MERN stack, featuring JWT authentication, Socket.io messaging, Zustand state management, and responsive UI with TailwindCSS & DaisyUI.

    JavaScript