Aziz joined ADB in 2009 as Young Professional (Economics) and continued as Country Economist at the Philippines Country Office. In 2013, he was Public-Private Partnerships Specialist at Southeast Asia Department covering the Philippines, Indonesia, Viet Nam, Lao PDR, and Malaysia, and in 2015 was Infrastructure Economist in ADB’s Indonesia Resident Mission. Since 2017, Aziz is with Azerbaijan Resident Mission leading country strategy, programming, analytics, and portfolio management. Prior to joining ADB, he was the World Bank's country officer for Tajikistan.