Edx some of their courses have TAs, like this software development track https://www.edx.org/micromasters/software-development https://www.edx.org/micromasters/

Edx some of their courses have TAs, like this software development track https://www.edx.org/micromasters/software-development https://www.edx.org/micromasters/software-development Otherwise contributing to some open source project as a jr dev you'll get feedback from Sr project members, it's how I went from semi-competent at building academic exercises to competent at building software people actually use.