Hello Sir,
I am a computer science tutor, I teach (among others) Functional Programming in Scheme and Haskell, and Algorithms, and I know ECMA 6 well.
I have done many projects like this, and I'm one of the top Functional Programmers, and you can check by clicking on my profile picture.
Please contact me for more details when possible.
I look forward to work for you Sir.
Best Regards.