Want a Career in Cannabis? Check out These 4 Jobs That Didn’t Exist Pre-Legalization By Carla Bragagnolo By Carla BragagnoloView Author|July 9, 2019| Though October 17, 2018 — the day cannabis became legal in Canada — might seem like it was yesterday, a lot has happened over the past eight months. Even though medical marijuana has been legal since 2013, many people who... View this article.