Every play experience can drive measurable progress in early development.
At Alpha, you will build the world's most joyful, evidence-driven PreK program. You will mentor Guides to deliver play-based instruction that produces real outcomes, refine adaptive curriculum across all readiness domains, and support four-year-olds in reaching critical milestones ahead of expectations.
Mentor the team. Shape the learning. Apply 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.