If you have previous experience as a computer programmer, or have skills in this field, then there is plenty of work you can pick up as a freelancer. If lack of confidence is holding you back, then Free Code Camp is an excellent way to get your foot in the coding door. This organization provides free courses where you will build real-life apps and programs, giving you experience and plenty to add to your CV.
One may sign up on websites like Vedantu.com, MyPrivateTutor.com, BharatTutors.com, tutorindia.net as an online tutor by creating a profile, and listing the subjects or classes you want to teach, how much experience you have, what your qualifications are, etc. Some of the platforms may offer flexible and convenient time to work as an online tutor.