Enhance Java Spring Boot Test Coverage

I am seeking an expert in Java Spring Boot testing to elevate my unit test coverage from 85% to 95% or possibly a full 100%. For this enhancement task, I look for someone experienced in Junit 5 and proficient in using IntelliJ IDEA on Maven project. It's important to boost the coverage in areas such as controllers, services, and repositories, as per the current setup.

Essential Skills and Experience:
-Solid experience in Java Spring Boot & Junit 5
-Competency in IntelliJ IDEA and Maven Project
-Strong track record in enhancing unit test coverage

While this project doesn't necessitate new functionality or features, showcasing past projects and detailed proposals pertinent to Java Spring Boot testing will be advantageous during the selection process.