|Date of birth||12 April 1991|
|Place of birth||Rome, Italy|
|Height||1.90 m (6 ft 3 in)|
|2010–2011||→ Verona (loan)||2||(0)|
|2011||Italy U-21 Serie B||1||(0)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 24 September 2017
In January 2011 he was farmed to Prato in co-ownership deal Prato. Despite only 8 appearances in the fourth division, he played 3 out of 4 possible matches in promotion play-offs. Prato lost the playoffs to Carrarese but later promoted to fill the vacancy in the third division.
The co-ownership deal was renewed on 24 June  but in July he was signed by Serie B club AlbinoLeffe for €100,000 from Prato, and the capital club retained the remain 50% registration rights after the transaction. Malomo made his debut in the first match of 2011–12 Serie B, losing to Cittadella as centre-back.
After AlbinoLeffe relegated and heavily penalized for up coming 2012–13 season due to 2011–12 Italian football scandal, Roma bought back Malomo for €250,000 on 22 June 2012.
On 29 August Malomo returned to Prato in co-ownership with Roma, for just €50. Former Leffe team-mate Andrea Beduschi also sold to the same club in co-ownership deal. In June 2013 Roma gave up the remain 50% registration rights for free.
On 15 July 2012 Malomo joined to Pavia with his teammate Alessandro Corvesi.
In the summer of 2016 it was bought by Venezia.
Malomo received his first call-up from Italy national teams system in 2008, for a U-19 training camp. He was surprisingly received a call-up from U-21 team in March 2009, for the fourth round of 2009–10 Four Nations Tournament. The tournament usually played by U-20 but Pierluigi Casiraghi used the match to prepare for the final round of 2009 U-21 Euro, selecting junior players (player born in 1988 or after) for that round (players born in 1986 or after were eligible). Malomo did not play that match nor in the final round. He remained in Massimo Piscedda's U-19 team in 2009–10 season, which he played the friendly against Denmark in September. However, he only able to play the next match in April, replacing injured Albertazzi. Malomo did not play any match in U-19 qualifying in November 2009 but played twice in the elite round in May 2010. He also played in the finals, both replacing Andrea Adamo. In 2010–11 season, he was promoted to U-20 team (the feeder team of U-21 team) and played the first 3 rounds of 2010–11 Four Nations Tournament. After signed by a Serie B team, he was picked by Piscedda for Italy under-21 Serie B representative team against Russian First League Selection in November, winning 2–1.
- "Calciomercato, ufficiale l'arrivo di Alessandro Malomo". Hellas Verona FC (in Italian). 18 August 2010. Retrieved 21 April 2011.
- "OPERAZIONI DI MERCATO CONCLUSE AL 24 GIUGNO 2011" (PDF). AS Roma (in Italian). 24 June 2011. Retrieved 29 June 2012.
- "Trovato l'accordo con Alessandro Malomo". UC AlbinoLeffe (in Italian). 13 July 2011. Retrieved 6 December 2011.
- "Progetto Di Bilancio Consolidato e Separato al 30 giugno 2013" (PDF) (in Italian). AS Roma. 7 October 2013. Retrieved 19 March 2014.
- "Ufficializzati Andrea Beduschi ed Alessandro Malomo" (in Italian). AC Prato. 30 August 2012. Retrieved 15 September 2012.
- "Dal 16 a mercoledì 19 l'Under 19 in raduno a Roma". FIGC (in Italian). 12 November 2008. Retrieved 6 December 2011.
- "Casiraghi apre il nuovo biennio: 19 convocati per la gara contro l'Austria". FIGC (in Italian). 20 March 2009. Retrieved 6 December 2011.
- "Amichevole contro la Danimarca, Piscedda presenta 3 novità tra i convocati". FIGC (in Italian). 17 September 2009. Retrieved 6 December 2011.
- "Mercoledì contro la Svizzera, ultimo test prima delle qualificazioni". FIGC (in Italian). 19 April 2010. Retrieved 6 December 2011.
- "COMUNICATO STAMPA N. 39 (2011–12 season): B Italia espugna anche la Russia". Lega Serie B (in Italian). 15 November 2011. Retrieved 6 December 2011.