Elevate
Elevate K12 hires for multiple positions from teachers, tutors, and more. One position that they are currently hiring for is an online substitute teacher. The substitute teacher does not need to be certified. As of this post, substitutes are paid $15 an hour for non-certified substitute teachers and $20 an hour for certified substitute teachers.
Additional Substitute Teaching info from Elevate K12
Beaverton School District
The Beaverton School District in Oregon has several openings for remote substitute quarantine teachers. These are temporary positions made necessary by the COVID pandemic. The re are remote substitute positions for elementary and secondary school classes
Informaton on remote quarantine substitute teachers
Connections Academy
Connections Academy offers virtual education for students across the United States. There are multiple substitute teaching positions available for different grade levels and subject areas. Many, if not all, positions require that you have a valid teaching license. The company also has substitute counselor positions.
Connections Academy virtual substitute teaching positions