QMoney

Date: May 2023

📘 Overview

QMoney is a visual stock portfolio analyzer designed to assist portfolio managers in making informed trade recommendations for their clients. This project involves building core functionality for managing stock portfolios, fetching real-time stock data, and calculating returns, with a focus on application stability, availability, and performance.

During this project:

• Implemented essential portfolio management logic and published it as a Java library (JAR).
• Refactored the application to support multiple stock quote services.
• Enhanced the application’s performance and resilience.

🛠️ Project Structure

Fetch Stock Quotes and Compute Annualized Returns

Scope of Work

• Integrated Tiingo’s REST API to retrieve live stock data.
• Developed logic to calculate annualized returns based on stock purchase date and holding period.

Skills Used

• Java, REST API, Jackson

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Refactor and Publish as JAR

Scope of Work

• Refactored code to align with an updated interface contract provided by the backend team.
• Packaged the core functionality as a JAR file for simplified versioning and distribution.
• Created usage examples to document the library’s features.

Skills Used

• Interfaces, Code Refactoring, Gradle

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Improve Application Availability and Stability

Scope of Work

• Added a backup stock quote service using Alpha Vantage to ensure service availability.
• Enhanced stability through detailed error reporting and robust exception handling.

Skills Used

• Interfaces, Exception Handling

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Enhance Application Performance

Scope of Work

• Introduced multithreading to improve responsiveness and handle larger datasets more efficiently.
• Developed unit tests to assess and validate performance gains.

Skills Used

• Multithreading, Unit Testing

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🚀 Getting Started

1. Clone the Repository

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

./gradlew build

Run the Tests

bash

./gradlew test

⚙️ Technologies & Tools

Backend: Java, REST APIs, Multithreading, Jackson
Build Tool: Gradle
Testing: JUnit
Dependencies: Tiingo API, Alpha Vantage (Backup API)

📈 Features

Real-Time Stock Quotes: Fetch current stock prices from Tiingo and Alpha Vantage.
Annualized Return Calculation: Analyze stock performance over time.
Modular JAR Packaging: Library available as a JAR for integration into other applications.
Enhanced Stability: Backup services and robust error handling for improved availability.
Performance Optimizations: Multithreaded processing for increased efficiency.

🤝 Contributing

We welcome contributions! Fork the repository and submit a pull request to add new features or improve 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!