Caracas In his first year at the club he managed to win the U-17 National Championship in the 2007–2008 season, being the top goalscorer with 21 goals. Aristeguieta turned down offers from teams like
Tenerife,
Real Oviedo, and
Grêmio to continue his studies. He made his debut on 19 January, entering in the 87th minute of the match against
Stade Lavallois Mayenne FC. Within minutes he had the opportunity to make a header, but the ball went just inches from the corner. He debuted as a starter on 22 January in the
French Cup against
SAS Epinal, which finished with a 1–1 draw. On 12 February 2013 he scored two goals in the match against
Le Mans FC. The first came in the 7th minute after a deep cross from the left which Aristeguieta controlled with his chest and then finished with a half volley into the bottom right. The second came off a deflected pass which he shot first time with his left foot into the roof of the net. On 15 April he scores his first hat trick with the French team at the
Berrichonne Chateauroux. In addition to this, he also caused the second yellow card of a rival. Eleven days later he scores the only goal of the match against
Chamois Niortais F.C. On 16 May, Aristeguieta was elected the best player of the month of April with 46% of the vote. On 17 May Nantes secured promotion to the
Ligue 1 after beating
CS Sedan Nantes FC gave the option to buy him for 1.2 million euros, extending the contract for 3 years. He was given the number 10 and also shared a room with Venezuelans
Gabriel Cichero and
Oswaldo Vizcarrondo, who had been photographed with Aristeguieta in his first training with the senior team of Caracas Futbol Club. On 28 November 2014, after being sparingly used by Nantes, Aristeguieta moved to
La Liga's
Getafe CF, on loan until June. On 7 January 2015 he passed a medical in the
Madrid outskirts club, but his loan was cancelled on the 31st.
Philadelphia Union (loan) On February 20, 2015, it was confirmed that Aristeguieta had joined
Major League Soccer side
Philadelphia Union on loan.
Caracas In July 2017, Aristeguieta returned to
Caracas and signed a 1.5-year deal. ==International career==