Chances of software engineer pivoting to computer science teacher
I'm a software engineer, 10+ years experience. Taught ESL for some years before that, and worked at an international school in Tokyo as a classroom assistant (not teacher) w/ young children for less than a year. But that was 10+ years ago.
For various reasons I'm considering a career change. I'd like to teach high school (or junior high if applicable, but not younger) computer science at an international school.
Spouse is Japanese, so no visa sponsorship needed. We're moving back to Japan soon, but pivoting to teach would be a long term transition over the course of some years, not in a rush.
I have an English Lit. bachelor's, a computer science bachelor's, and about 4 or 5 years as an ESL teacher, but I'm not really counting on the latter for anything because I don't want to teach ESL.
Assume I would get a international teaching certification/license from USA. For the practicum portion of the teaching certificate I figure I'd need to contact schools and find one that would either let me volunteer or teach a class in some capacity.
The thing I definitely would not have when eventually applying to jobs is a couple years of teaching CompSci in the USA. I have one year teaching in the USA, but it was for ESL and a long time ago.
By the time I would actually start looking for teaching positions, I'm hoping my Japanese will be N2ish, though not sure how much that would impact my chances.
How plausible is it that an international school would hire someone like me?