Haider was appointed the Nasser Sabah al-Ahmad al-Sabah Curator for Islamic art at the Metropolitan Museum of Art in 2018, and was appointed to head the Metropolitan Museum's Department of Islamic Art in 2020. Prior to that, she was the curator in charge of co-ordinating the Metropolitan Museum of Art's New Islamic Galleries project. The exhibition was conceived of after a symposium on Deccan art organised by Haidar and Sardar, which focused on textiles and paintings from the Deccan region. The exhibition was very well-received, with the
Wall Street Journal describing the collection as "...wonderfully contextualised," and praising the curatorial intent, to conclude that "...the strength of the exhibition and the source of the most dramatic and revelatory information is the magnificent selection of paintings." The
New York Times reviewed the exhibition, noting that the exhibition was curated to create a "...comfortable lean-in intimacy....enhanced by the curators’ determination to display some works in a strikingly fresh manner." Haidar then lectured on the exhibition in India, with presentations on the collection, receiving largely positive reviews. Historian
William Dalrymple also positively reviewed the exhibition for the
New York Review of Books and described the related publication with the same name as one of his favourite books of that year. It was followed by a publication authored by Haidar and Sarkar titled with the same name as the exhibition. The book won the Foreword Reviews' Book of the Year Award. In 2016, Haidar curated a collection of Rajput art for the
Metropolitan Museum of Art, which was also well-received and accompanied by a collection of essays on Rajput art, including one authored by Haidar. As the curator for the museum's New Islamic Galleries project, Haidar along with curator
Sheila Canby also directed and oversaw the construction of new galleries and installations, including the installation of a Moroccan court within the museum's premises.
New York Magazine's art critic,
Jerry Saltz, praised these redesigned galleries as constituting a "...magnificently redesigned and generously expanded swath of space." In addition to her curatorial work, Haidar has made contributions on art history in
The Hindu and
Newsweek Pakistan. == Publications ==