There are a plethora of Java job opportunities right now available in London. 1604 are being advertised there right now. Java Enterprise Platform and Software Engineering are the main categories within this area. The most referred to topics for these jobs are Backend Development, Spring Framework, and Scala. Are you familiar with them? Here's the distribution of jobs for the top 3 vertical: IT (7 percent), Banking (4 percent), Games (3 percent).
1356 Java jobs right now posted on Jobspotting in this sector, a percentage of 84%, are for skilled staff only. Good news for job seekers who are interested in working for a startup: 9% of employers who are looking for Java talent are startups. Staffing for many employers in this area has been outsourced to recruiters. On Jobspotting, you can filter those out if you prefer to do so. Why not have a look at jobs in another country to compare and contrast opportunities. Just use the Explore tab.