Data scientists turn data into measurable product and business outcomes through statistical analysis, modeling, and experimentation. Roles span product analytics, machine learning modeling, growth science, and decision-support functions. The skills mix varies widely by employer, from heavy machine learning to mostly SQL and experiment design. Toronto has substantial tech hiring activity across software, data, product, finance, and customer-facing roles, supported by both Canadian employers and US tech companies with Canadian engineering teams. The Greater Toronto Area includes Mississauga, Brampton, Markham, and Vaughan as part of the same labor market. Compensation often reflects cross-border pay scales at multinational employers.