Advance your impact in HR by building practical AI fluency—understanding core concepts, distinguishing between major AI types, and applying them to real workflows.
Build a clear, practical understanding of AI fundamentals by defining AI, machine learning, and task automation, then differentiating generative, predictive, and agentic AI—and where each is most useful.
Be a part of our community of 1M+ users who develop and demonstrate their skills on CodeSignal
From our community
Hear what our customers have to say about CodeSignal Learn
I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!
Francisco Aguilar Meléndez
Data Scientist
+11
I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.
Faith Yim
Software Engineer
+14
It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.
Alex Bush
Full Stack Engineer
+9
I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.
Abbey Helterbran
Tech consultant
+8
I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.
Jonathan Miller
Senior Machine Learning Engineer
+12
I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!
Francisco Aguilar Meléndez
Data Scientist
+11
6 practices
Apply AI to high-impact HR work by exploring practical use cases across hiring and onboarding, employee experience and communications, and engagement and feedback—while building the judgment to use AI responsibly through clear principles, high-risk scenarios to avoid, and safe starting points.
