QEats

Date: July 2023

📘 Overview

QEats is a popular food ordering app enabling users to browse and order dishes from nearby restaurants. This project involves implementing various backend features, resolving production issues, optimizing app performance, and adding advanced search capabilities.

During this project:

• Built core backend functionalities of QEats, a Spring Boot application.
• Developed several REST API endpoints for restaurant information and food ordering.
• Investigated and resolved production issues using Scientific Debugging methods.
• Enhanced app performance under high load and implemented an advanced search feature.

🛠️ Project Structure

Retrieve Restaurant Data

Scope of Work

• Implemented the GET /API/v1/restaurants endpoint along with request handler and response methods.
• Leveraged Mockito for developing MVCS layers independently.
• Retrieved a list of restaurants based on user location from MongoDB.

Skills Used

• Spring Boot, Spring Data, REST API, Jackson, Mockito, JUnit, MongoDB

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Resolve Production Issues Using Scientific Debugging

Scope of Work

• Used structured debugging techniques and log messages to identify and fix QEats app crashes.
• Applied breakpoints and assert statements to trace and resolve root causes.

Skills Used

• Scientific Debugging

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Replicate and Solve Performance Issues Using Caching Strategies

Scope of Work

• Conducted load testing with JMeter to identify performance bottlenecks.
• Analyzed DB queries impacting performance and utilized Redis caching to improve read speeds.

Skills Used

• Redis, JMeter

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Perform Search Operations with Custom Attributes

Scope of Work

• Enabled user search for restaurants by attributes like name, cuisine, dish, and price using MongoDB queries.
• Enhanced concurrent search capabilities using multithreading.

Skills Used

• MongoDB querying, Multithreading

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🚀 Getting Started

1. Clone the Repository

   git clone https://github.com/govindnathsng/QEats.git
   cd QEats
   
    Build the Project
   
    bash
   

./gradlew build

Run the Tests

bash

./gradlew test

⚙️ Technologies & Tools

Backend: Java, Spring Boot, MongoDB, Redis
Testing: JUnit, Mockito, JMeter
Debugging: Scientific Debugging, IDE Breakpoints, Log Analysis
Concurrency: Multithreading for optimized search performance

📈 Features

Restaurant Retrieval: Fetch restaurants based on user location.
Search Functionality: Search by name, cuisine, dish, and price.
Error Handling: Debug and resolve production issues.
Performance Optimization: Redis caching for faster data retrieval.

🤝 Contributing

Contributions are welcome! Fork the repository and submit a pull request to add new features or enhance the existing code. 📄 License

This project is licensed under the Apache License 2.0. 📞 Contact

For questions or feedback, feel free to reach out:

GitHub: govindnathsng
Email: [email protected]

Check out my Crio Portfolio for more projects like this!