He served as Vice President of Spanish Autonomous Community of Catalonia and Minister of Digital Policies and Territory since May 2021 until 29 September 2022.

Puigneró was a computer programmer/analyst at Deutsche Bank's IT department in Frankfurt from 1997 to 2000 and an information and communications technology consultant for IBM in Barcelona from 2000 to 2003.

[7] Puigneró did not contest the 2015 local elections but was placed third in the CiU's supplementary list of candidates in Sant Cugat del Vallès.

[13] On 19 May 2018 newly elected President of Catalonia Quim Torra nominated a new government in which Puigneró was to be Minister of Digital Policies and Public Administration.

[20] On 24 May 2021 he was named Vice President of Catalonia under the Aragonès Government and took office on 26 May, maintaining his position as Minister of Digital Policies and Public Administration.