Java Web Application with User Authentication

I'm seeking a skilled Java developer for the creation of a web application, focusing chiefly on user authentication.

This project will require:
- Comprehensive Java application development experience
- Expertise in designing effective user authentication systems
- Strong problem-solving capabilities for potential debugging

Ideal applicant should have a solid track record in producing secure and efficient Java code for web applications.

The goal will be to create a maeven project of an application capable to interacting with Primavera P6 EPPM .
To do that the applicant must install trial version of P6 EPPM and read this two guide :
https://docs.oracle.com/cd/F37125_01/English/Integration_Documentation/p6_eppm_web_services_programming/helpmain.htm?toc.htm?34306.htm
https://docs.oracle.com/cd/F37125_01/English/Integration_Documentation/rest_api/index.html
after installing primavera P6 with help of this two videos

https://www.youtube.com/watch?v=ICO21Umgb8o&list=PLbhfHyjIPTu-CWWrajytQCkqhYJe-O_Lj
https://www.youtube.com/watch?v=hkKk4ItU-g0&list=PLkXh-gszA4PkrxeLz_87yhhLusY2ey33w&pp=iAQB

the result of the work will be a code and PDF explanning who to edit and use the code developped