This is a research in the field of Political Economy of Communication, Information and Culture (EPC) that is in dialogue with studies that analyze the process of news production from the category of work, within a marxist perspective. Communication companies in Brazil are in the capitalist context and, therefore, pursue profit first, which has been affected by the disruption of these companies business models, with the arrival of the internet and digital platforms. The investigation seeks to understand how the productive routines of journalism within this context favour the precariousness of work and affect not only production, but also the physical and psychological conditions of professionals in the field, especially after the arrival of the covid-19 pandemic. The research is based on quantitative and qualitative methods applied to a sample of 218 responses to an online survey questionnaire sent to journalists across the country and in-depth interviews with 21 reporters who work in Rio de Janeiro with the daily news in media companies of national relevance. This dissertation found strong instability in the profession, a growth in the precariousness of journalistic work and a disqualification of workers, in addition to an increase in the signs of exhaustion among journalists.