Java Developer for Spring Boot Upgrades

I'm in need of an experienced Java developer familiar with Spring Boot in order to perform necessary upgrades on our API and UI. The versions of Spring Boot we'll need to upgrade to have already been identified.

The version we are upgrading to is 3.2.1
Your responsibilities will include:
- Understanding the existing codebase
- Performing the Spring Boot version upgrade for the API and UI
-Testing the endpoints and the entire app.
- Ensuring full system stability post-upgrade

Ideal skills for this job will include a strong background in Java web application development, practical experience with Spring Boot upgrades and a solid understanding of APIs and UI frameworks.