Conventional wisdom will tell you that when competition is low, and the reward is high, it’s a pretty good deal.

That’s the current state of certain niche IT position in corporate America today. Skills are in high demand, but there’s a small talent pool of people who are qualified to fill them. What’s difficult to understand is why. The prevailing conversation about the job market is that it’s tight, tough to find a good job, and especially one in the fast moving, highly competitive world of high tech.

However, for reasons unknown, some of these skills have slipped through the cracks, and employers are scrambling to find individuals who have the know-how to fill those positions.

See the infographic above for the 5 most in-demand tech skills in 2015, according to job site and search engine, The Ladders.