Looking for part time spring boot microservice

Hi all,
i am looking for java springs boot microservice developer having 6+ years of experience in micro services api development.

so he shold be quick to learn new technologies.
There is 2 application actually 1 is legacy and 1 is microservice.

legacy application is build in java and run on XL desktop stocking trading management application.

daily 3h need to work remotely wia screeen sharing mostly in 9pm to 12am timeings.

preferably indian and individual developer.

No hourly bid, no advance.
bi weekly’s payment only after checking performance.
max 20k INR budgets for a month.