Hello!
If the software you need is really very small, i can finish it in without real testing in one day.
Anyway, it would be much better for me to have a technical description from you.
Relevant Skills and Experience
Java+Spring(Spring Boot, Spring MVC, Spring Security, Spring Data, and so on), Web UIs (HTML+CSS+JS, jQuery, Bootstrap, Vue.js, Angular4), DB MySQL, PostgreSQL, MongoDB (only development, not admin)
Proposed Milestones
$25 USD - All together