Why null? And after learning data science for 2 yrs why can't you say that you worked 2 yrs on data science related stuff for 2 yrs?  
  
 Kaun Teri company Mai phone kr k puchega saara code base share Karo jispe sh1ttbit ne kaam Kiya tha?

so what u are suggesting is like change my resume based on it right ?

After you've studied data science for 2 yrs.

Software Engineer

Bad idea. 👎🏻    
 Get a degree in MS Cs

Product Marketing Manager

Do companies ask to submit the Experience Letter or anything ?

Software Developer

Currently working as a full stack developer with 2+ exp 

I'm planning to do my masters in Data Science? 
is it good to do masters in Data Science or General

Currently working as a full stack developer with 2+ exp 

I'm planning to do my masters in Data Science? 
is it good to do masters in Data Science or General Computer Science 
since my work experience gets null if I do my masters in Data Science 

what are your suggestions ?

Need suggestions on Moving abroad