Knowledge that moves you forward
Friendly people answer your questions quickly, by phone, chat or email.
Friendly people answer your questions quickly, by phone, chat or email.
Jul 10, 2026 · Jonah Harlow · 6 min read
We asked twelve hiring managers. SQL, clear charts and one well-explained project topped every list.
Buy a course once and keep every lesson and future update for good. Every course ends with a real project you can add to your portfolio.
The certificate helped me get a promotion at my current job.
Choose a course. Browse by topic or follow a guided learning path. Earn your certificate. Finish the course and share your new skills.
Behind the scenes
From interviewing hiring managers to recording in our studio, a new course takes about four months to make.
Diego Ashford · May 29, 2026
Design
Three strong projects beat ten exercises. How to choose them, write them up and walk a recruiter through each one.
Lea Patel · Jan 5, 2026
Guides
A realistic four-week plan: twenty minutes a day, one small project each weekend and a check-in with your mentor.
Lucas Varga · Nov 26, 2025