You must register as an ECE engineer to take online courses. The best option is to enroll in online courses for coding so you can work with your CSE counterparts in interviews.
You have many opportunities as an ECE engineer. I believe college is sufficient for studying Electronics and Communication. However, you must take coding courses online.
The following websites are great (some may be compensated) for similar information.
Also, you should test your skills.
All the best
Answered by Adarsh Sarivastav, Most viewed writer on ECE