I will fix bugs in your java swing, console, or javafx application

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D
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Guilherme D.
fix bugs in your java swing, console, or javafx application
fix bugs in your java swing, console, or javafx application
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fix bugs in your java swing, console, or javafx applicationfix bugs in your java swing, console, or javafx applicationfix bugs in your java swing, console, or javafx applicationfix bugs in your java swing, console, or javafx application

About this gig

Gig Description:


Are you stuck with Java errors or a broken Desktop Application?


Don't worry. I am a specialized Java Developer with strong experience in Swing (GUI), Object-Oriented Programming (OOP), and Database Connections. I have built complete management systems from scratch, so I know exactly how to find and fix those annoying bugs that stop your code from compiling or running.


I can help you with:


  • Bug Fixing: Solving Compilation errors, Runtime errors, and Logic issues.


  • Java Swing / GUI: Fixing broken layouts (JFrame, JPanel), buttons not working, JTable issues, and Event Listeners.


  • Database Issues: Fixing JDBC connections, SQL queries (MySQL/PostgreSQL), and data retrieval problems.


  • Code Cleaning: Refactoring your code to make it organized and readable.


  • Comments: Adding detailed comments explaining how the code works (perfect for understanding your project).


Why choose me?


  • I don't just fix it; I explain what went wrong.


  • I write clean, standard Java code.


  • Fast response time.


️ PLEASE CONTACT ME BEFORE ORDERING Send me a message with your code and a description of the error. I will review it instantly to ensure I can help you!

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Design
    • Databases

  • Programming language

    • Java

  • Frontend framework

    • React.js
    • Tailwind CSS

  • Backend framework

    • Django
    • Laravel
    • Spring
    • Express.js
    • Node.js

Get to know Guilherme D.

Guilherme D.

Java and Nodejs Expert , Desktop and Web Solutions

  • FromBrazil
  • Member sinceJan 2026

  • Languages

    Portuguese, English
Full Stack Developer specialized in Java & Node.js Solutions. I am a focused developer with strong experience in building desktop and web applications. My expertise lies in Java (Swing, JDBC) for robust desktop software and Node.js/React for modern web solutions. How I can help you: Java Bug Fixing: I can debug and fix errors in your Console or Swing projects quickly. Database Management: SQL optimization, schema design (PostgreSQL/MySQL), and connection troubleshooting. Web Development: creating responsive front-ends and efficient back-end APIs. I value clean code and organization!

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