The first thing to do if you are looking to work abroad is to find a job. Then, you will need to find a sponsor for your visa or apply for your visa. Once you get your visa, you can move to the country.
You can take the help of international job search services to help you land a job. Thye will help you with how, when, where to apply, interaction with employers, visa sponsorship and every other detail.
Before you start your international job hunt, you must choose the right jobs and companies, you will also have to find out if companies are willing to sponsor your work visa. Zero in on countries where there are better opportunities for your qualifications and where it is easy to get a visa.