I will maintain and improve legacy java or angular applications

M
maubach1108
M
maubach1108
Mauricio
maintain and improve legacy java or angular applications
Full Screen
maintain and improve legacy java or angular applications

About this gig

Do you have an old application that needs fixes, updates, or improvements?


I can help maintain, modernize, and improve legacy Java and Angular applications used in enterprise and business environments.


I can help with:

  • Bug fixing and troubleshooting
  • Refactoring legacy code
  • Performance optimization
  • REST API maintenance
  • Feature implementation
  • Database fixes and improvements
  • Frontend and backend maintenance
  • Technical debt reduction
  • Code cleanup and modernization
  • AWS and integration support


Technologies:

Java, Spring Boot, Angular, TypeScript, PostgreSQL, SQL Server, AWS, JMS, Cypress, JUnit, Mockito, Docker, Jenkins.


I focus on clean, maintainable, and scalable solutions while preserving your existing business rules and application stability.

  • Programming language

    • Java

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Design
    • Databases
    • Testing procedures

  • Frontend framework

    • Angular
    • AngularJS
    • Bootstrap
    • jQuery
    • Tailwind CSS

Get to know Mauricio

Mauricio

Full Stack Developer

  • FromBrazil
  • Member sinceMay 2026

  • Languages

    Portuguese, English
Full Stack Developer with experience building enterprise applications using Java, Spring Boot, and Angular. Experienced in developing REST APIs, integrations, and complete web applications, focusing on performance, scalability, clean code, and software architecture best practices. Skilled in: • Java & Spring Boot • Angular, TypeScript, SCSS, Bootstrap • PostgreSQL, SQL Server, Liquibase • AWS (S3, SQS, Aurora, CloudWatch) • JMS Messaging • Cypress, JUnit & Mockito • Docker & Jenkins Also experienced with hybrid mobile application development and automated testing.

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