I am a huge fan of BADBADNOTGOOD. It is by no means pure jazz, but does have a very strong jazz element, along with instrumental hip-hop and electronica. I don't have much time to go into any detail, but just check it out.
They have three solo albums and one collaboration with Ghostface Killah (way more hip-hop than jazz on this one). All albums are available on full on youtube to have a listen.
Sour Soul (the Ghostface Killah one):