I'm based in the UK, and the most visited job site for us is indeed.co.uk. A quick search on here shows that there are numerous Junior Product Manager roles available at present and looking through these, the following are the typical skills and experience needed for the role:
Even if you've never held a product role before, these skills and experiences can be shown from a variety of roles that you will have held.
Whether it's a scrum master in a startup, a project manager in a corporate, or an engineer in a growing SaaS business, there are opportunities to pick out the individual skills that you've developed in these roles and apply them to a product role.
Looking at some of the other leading recruitment sites around the world, we can see that the scene is very similar. Whether it is monster.com in the USA, Killer Launch in India, or LinkedIn everywhere, opportunities are out there and they have similar required skills and experiences.
Our challenge is to find the role and then tailor our application to meet the needs of the recruiter, and you can find more information on this in the following posts:
4 essentials for preparing your CV (published on medium.com)