*Club domestic league appearances and goals, correct as of 20:54, 23 October 2022 (UTC) ‡ National team caps and goals, correct as of 17:51, 10 June 2019 (UTC)
After a successful run with the Venezuelan youth squads Seijas was taken to Banfield in Argentina and later made a big impact in his home country with Deportivo Táchira and later was taken to Santa Fe that was looking to rebuild their team after finishing last in the Colombian league. Seijas signed a three-year contract with Belgian giants Standard de Liège on 30 August 2011 after a very successful time spent with Santa Fe. On 2 May 2013 he broke his contract with Standard de Liège and he left the club. On 16 July 2013, Seijas came to Terms with Ecuadorian Club, Deportivo Quito.[1] On 23 May 2016 Seijas arrived in Porto Alegre to sign and join Internacional. Seijas signed with Phoenix Rising FC on 8 September 2021.[2]