He has also worked as an economic adviser and Chief of Staff to the President of East Timor, in various capacities for the United Nations Development Programme (UNDP) and as a university lecturer.

[2] On 5 August 2015, Taur Matan Ruak, who was then the President of East Timor, appointed Gomes as his Chief of Staff, replacing Fidelis Leite Magalhães.

[6] The commission's responsibility was to recommend to the VIII Constitutional Government the measures to be adopted and the actions to be taken for the recovery of East Timor's national economy.

[6] Under Gomes's leadership, the commission developed a plan focusing on the promotion of human capital, agriculture, tourism, housing, education, health and social protection.

[7] On 23 November 2020, Gomes was re-appointed as Minister of Finance to succeed his own successor Fernando Hanjam, who had had to resign due to ill health.