The Job title ‘Junior Data Scientist’ is rare though, and really depends on not only what skills you have, but what the company wants and how you fit together with them.
For becoming a Junior Data Scientist you need the following requirement to be fulfilled:
A Masters's degree in a related field and industry domain you want to work.
Programming and Data Skills
Strong fundamentals in mathematics and statistics
Interested in Data Science, check out the Data Science Course by Intellipaat.