Arsen Beglaryan was born on February 18, 1993 in the Russian city of Krasnodar. His first football school was the 5th children’s sports school of the Olympic reserve of the Krasnodar region. Beglaryan later played in the youth team of Krasnodar FC. In 2012, the goalkeeper moved to Armenia, signs a contract with the Gandzasar Football Club. In a short time Beglaryan became the main goalkeeper of the team from Kapan and began to be regularly invited to the youth team of Armenia, even receives an invitation to the Armenian national team.

On February 5, 2020, Arsen Beglaryan officially became the  player of Urartu Yerevan. In honor of his idol Kobe Bryant Beglaryan, as part of the team from Yerevan, he chose number 24, under which the legendary basketball player performed.

Arsen Beglaryan held his first official match for Urartu FC on May 25, 2020 in the game of the 18th round of the Armenian Premier League against Ararat FC (0-1).

Arsen Beglaryan was first invited to the national team of Armenia in 2013, made his debut in a friendly fixture against national team of Belarus on March 25, 2016, where he replaced Roman Berezovsky, who was playing his last match. Beglaryan played the first official match in the Armenian national team on September 4, 2016 in the qualifying match of the World Cup against Denmark (0-1). In that match, Beglaryan beat off Christian Eriksen’s penalty kick. Arsen Beglaryan defended the gates of the team in more than 10 matches.