Some suggestion for career in data science or predictive modeling
First of all I should say you question probably is an off-topic and will be closed soon.

Discussed at this SE site

Anyway I can target you to similar questions discussed at this SE site already:


Statistics + Computer Science = Data Science?
Starting my career as Data Scientist, is Software Engineering experience required?


Cross Validated SE

A set of relevant questions at Cross Validated Stack Exchange:


https://stats.stackexchange.com/questions/tagged/careers


Data scientist map

This is good infographics of data science knowledge you might need to start a career (Link to image):



Careers SE

Also, simple "data scientist" querying of Careers SE site 
http://careers.stackoverflow.com/jobs?searchTerm=data+scientist&amp;location= will lead you to the following knowlege "tags":


R
bigdata
data-visualization
hadoop
mapreduce
scala
python
matlab


etc.