Thanks for your query at Bdjobs.com Career Expert Panel.
It’s good you’ve already completed your Bachelors of Science in Computer Engineering. It should give you an edge over learning any new tools where you feel interested.
If you want to be focused on Programmer you can think of learning short courses on the mostly used tools like Oracle, Java etc. Best suggestions for you is : just have a look at the IT job advertisements at bdjobs.com and see what the skills they are looking for. Now you will know what to pursue next.
Best of luck.