Over the past few years, technological development has increasingly impacted job activities and structure, both in a negative and in a positive way. This thesis aims to study and evaluate the effects of technological advancement on workers, focusing on a skill-biased technological change. In the first part of the essay, the consequences of digitalization are examined, then, the study presents the professional on-the-job training applied in Italy, evaluating if it can help employees to measure up with digital transformation. After having inspected the general behaviour and circumstance in the country, the thesis brings the attention to the specific case of the company Robert Bosch Gmbh Branch in Italy, focusing on the offices seated in Turin.