She gained popularity and Hum Award for Best Actress nominations by portraying a troubled wife in Farooq Rind's tragic-romance Rishtay Kuch Adhooray Se and received praise for the jealous-drama Mausam (both 2014), the comedy drama Jugnoo (2015), the romance Zara Yaad Kar (2016) and the romantic comedy Yeh Raha Dil (2017).

Zaidi gained critical praise and established herself by starring in Dar Si Jaati Hai Sila (2017), Inkaar (2019), Pyar Ke Sadqay (2020), Dil Na Umeed To Nahi (2021) and Bakhtawar (2022) the second, third and last of these earned her Lux Style Award for Best Television Actress.

She then appeared in Urdu 1's Teri Raah Main Rul Gai opposite Samiya Mumtaz and Sami Khan where she played the character of Maryam.

[3] In 2016 she appeared in Momina Duraid's Zara Yaad Kar where she played the lead character of Uzma Ikhtiar opposite Zahid Ahmed and Sana Javed.

A critic from The News International praised her saying, "With fewer dialogues and a tough subject at hand, Yumna pulled off her role effortlessly, making it believable from beginning till the end".

[17][18] In 2016 the Pakistan Electronic Media Regulatory Authority served a show-cause notice toUdaari, she spoke out, stating: It is based on a social cause and we should create awareness in our society through such drama serials.