I will develop or fix rest apis using java spring boot

M
maubach1108
M
maubach1108
Mauricio

About this gig

Need a reliable backend developer for your Java application?


I can help you develop, maintain, or fix backend applications using Java and Spring Boot.


Services include:

  • REST API development
  • Bug fixing and debugging
  • Legacy system maintenance
  • Database integration
  • Authentication and security
  • Performance improvements
  • AWS integrations (S3, SQS)
  • Clean and scalable code


Technologies:

Java, Spring Boot, PostgreSQL, SQL Server, AWS, JMS, JUnit, Mockito, Docker.


Perfect for startups, enterprise systems, and internal business applications.

Get to know Mauricio

Mauricio

Full Stack Developer

  • FromBrazil
  • Member sinceMay 2026
  • Avg. response time12 hours
  • 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.