I have 3+ years of Experience in Java Development. Services I can do for you are:
Console based Java application that may have implementation of Data Structures (Stacks, Queue, Arrays, Linked List, Sorting Algorithms, Binary Trees, AVL trees, Red Black Trees, Heaps, Graph algorithms
Java JDBC (Oracle, MySQL, SQL)
Spring MVC or Spring boot development
Fix errors/bugs
RESTFUL APIs
Maven based application
Hibernate will be used as ORM
JPA(Java Persistence API) and JDBC(Java Database Connectivity)
Any database of your choice: Oracle, My Sql, Sql Server
JPQL will be used as Query Language
Swagger for documentation
logging using Log4j
Angular + Material will be your Front end
Spring Security
User Authentication and Authorization using JWT
Why Me ?? Because
My first objective is your satisfaction.
Not only code, it contain proper comments so that you can understand it easily.