Just use seller's market.
Seller's market is used in exactly this context and completes your example sentence without difficulty, and there doesn't seem to be any reason given in your question not to use the phrase - other than perhaps a lack of confidence on your part that it does suit.
If you want to clarify, you could say:
Don't worry, it's a seller's market for widget-makers out there.
(The 'out there' is optional.)
Some examples found 'in the wild' follow:
..For the first since the dot-com bubble burst in late 2000, the job market is turning into a seller’s market. That’s especially true for well-educated, highly skilled workers...
Or, albeit used with quotes in the body of the text this time:
Are you struggling to find qualified candidates for your open
positions? Do you know anyone else with the same problem? Have you
noticed everywhere you look you see “Help Wanted” or “We Are Hiring”
The employment world has changed from a “Buyer’s Market” to a
“Seller’s Market”. Candidates can find opportunities much easier today than they could five years ago...
According to statistics from job search site Indeed.com, job notices involving Node.js has jumped from zero to 4,000 active listings since 2011...
Use in this context is even in the following dictionary entry's example sentences for seller's market:
seller's (or sellers') market (phrase)
An economic situation in which goods or shares are scarce and sellers can keep prices high.
All the sellers are going to say this is a seller's market.
The buyer's market for auditors - in which accounting firms cross-sold consulting services and pandered to clients - has been
transformed into a seller's market.
It's a seller's market now and there are tremendous opportunities out there.
In a seller's market for skilled workers, employees are more demanding about what they want and less appreciative of what they get.
(The second last example sentence very probably relates to the job market from the jobseeker's perspective too.)