Freckle is an education platform that allows students to practice content at their level. The platform adapts to the student, varying the difficulty of the material to keep the student practicing at a desirable level of difficulty.
The salary for the position is in the range of $200,000, but dependent on experience. Unfortunately, we are US-based only at the moment.
If interested, please reach out to me via the Haskell Discourse or at leiva (dot) steven (at) gmail (dot) com.