A leg-spinner by trade, Sandeep Lamichhane was first spotted playing in the Hong Kong T20 Blitz in 2017 at the age of 16. In 2018, he was sold in the IPL auction to play in the IPL by Delhi Daredevils. Soon after, he became the first ever player from Nepal to play in the CPL after he was drafted by St Kitts & Nevis Patriots. He played five games in the 2018 season, picking up seven wickets.
In the CPL Draft 2019, Lamichhane was a fifth round pick for the Barbados Tridents.