Every play moment has the potential to drive quantifiable developmental progress.
At Alpha, you will create the world's most joyful, evidence-based PreK program. You will mentor others in delivering play-centered instruction that produces meaningful outcomes, guide adaptive curriculum design across all developmental domains, and observe four-year-olds reaching authentic milestones ahead of conventional timelines.
Mentor the Guides. Shape the learning. Submit your application today.
Crossover's skill assessment process combines innovative AI power with decades of human research, to take the guesswork, human bias, and pointless filters out of recruiting high-performing teams.






It’s super hard to qualify—extreme quality standards ensure every single team member is at the top of their game.
Over 50% of new hires double or triple their previous pay. Why? Because that’s what the best person in the world is worth.
We don’t care where you went to school, what color your hair is, or whether we can pronounce your name. Just prove you’ve got the skills.
Join the world's largest community of AI-first remote workers.