Guidara's career started with Belgrano at the age of 16 in the club's youth system.[2][3] He signed a professional contract on 12 June 2017, prior to making his first-team debut in the Argentine Primera División on 22 June in a 2–1 win against Newell's Old Boys; he played the full match as he did a week later versus Huracán.[1][4] Those were his only appearances in 2016–17, while he received his first career red card in the first match of 2017–18 in a defeat to Banfield.[1][5] Guidara penned a new contract with Belgrano on 26 April 2018.[6] June 2019 saw the right-back agree a move away following 2018–19 relegation, as he signed an agreement with Vélez Sarsfield.[7]
International career
Guidara is eligible to represent both Argentina and Albania.[8]