Katherine Bindley / Wall Street Journal: ZipRecruiter: IT and CS job postings are up 14.2% YoY in April; entry-level roles fell from 8.1% a year ago to 7.4%, while senior roles grew from 38.8% to 43.1%  —  Layoffs keep coming but there's still a market for higher-grade talent to harness agents  —  It should be a tough …