As you start to explore working in Europe, you will find that under EU law, there are a number of programs that govern working visas. One of the most popular programs is the Working Holiday visa (link to Government of Japan website). Here is a link to the European Migration portal with information on different countries. Here is a link to a page explaining the Schengen Visa in the EU, which lays out requirements for applicants.

In order to apply for a job and be considered as a candidate, the economy should be in a reasonably stable condition and there should be demand for your services. Here is a Link to Research on Forecast for EU Economy this Spring which you can read to check out one forecast for how world events and the pandemic have affected Europe. You just need to look at a newspaper to see articles on the possible impact of the covid 19 disease on the EU's economy.