Yes definitely you can prepare for c + + and learn strong coding skills because in the field of software engineering the job market is huge and the recruiters don't bother about your graduation percentage and previous accounts if you are able to write efficient code then all they need is you.

there are many platforms available online which not only help you to learn the code. but also based on your profile they will refer you to the recruiters and arrange all the formalities to grab the job so you can look for them and let a job.