These days Data Scientist job is highly paid job and its in very high in demand in Job market.
Big Data knowledge with data science experience is very hot in Job market. Right people are getting highly paid jobs in these technologies.
Learning Big Data and Data Science technologies are time consuming which may take many months.
But with consistent effort and experimenting with the programming languages you can learn it. After learning many things you can try to for job in market. Search on the job website popular in your location and try to get job as junior data scientist.
Check tutorial: How to become data scientist in 2018?