I’m a freelance developer, mainly Java stuff and have ‘been around’ a bit (lot). The sad truth is that there’s no shortage of talent or experience out there, and if you just want cheap then there are lots of off-shore folks who’ll write rubbish for a pittance. Most recruiters will be looking for someone who’s got years and years of experience or is fresh out of University and full of piss & vinegar. This doesn’t leave much room for someone in your position.
If your employer has a specific and significant project they want you to work on and you’re up for it, then this is probably the only way to go from “training” to being employable as a developer. You might get some opportunities doing private projects in your spare time, but do you really want to leave the bike in the garage and sit in front of a PC?
If you’re happy to take the training for what it is (it might be that they want someone to understand what the dev team is up to a little better, fix a few bugs, micro manage the dev process, etc) then go for it. If you want to be a professional developer at the end of the training course you might struggle