After graduating from IBA, Munawar Siddiqui worked at a German venture capitalist company in Karachi, and during this time he participated and won an advertisement-making competition for
KFC, and then appeared in an advertisement for
Omoré. Three years later, Munawar Siddiqui starred and produced the coming-of-age musical drama
Ho Mann Jahaan (2016), a film about three college friends who are passionate about music and face difficulties for their common dream. Co-starring opposite
Adeel Hussain and
Mahira Khan, he was cast as a struggling musician who falls in love with his best friend. Upon release, the film received mixed reviews from critics, however Munawar was praised for his performance in the film. Commercially, the film went on to become one of the highest-grossing films of 2016. At the annual
Lux Style Awards, Munawar was awarded the
Lux Style Award Best Supporting Actor for his performance and received an additional nomination in the
Best Film category. Following the success of
Ho Mann Jahaan, he starred in the romantic comedy
7 Din Mohabbat In (2018). Directed by
Meenu–
Farjad, his role was of an introverted man who is romantically involved with three women, played by Mahira Khan,
Mira Sethi and
Amna Ilyas, at different stages of his life. Amna Zaidi of
Siddy Says praised Munawar, stating that "Tipu played by Sheheryar Munawar is the highlight of the film, not only does he act like a dorkey 29 year old to perfection, he looks amazing on screen". The film, despite receiving mixed to negative reviews, was a commercial success, with a worldwide earning of . In 2019, Munawar Siddiqui featured alongside
Humayun Saeed and
Syra Yousuf in the science fiction
Project Ghazi, a film about a group of rogue men try to seize a project. The film was a commercial disappointment. Munawar next played the role of one of a self-confessed aspiring actor in
Asim Raza's romantic comedy
Parey Hut Love (2019). The film, divided in four chapters, tells the story of a commitment phobic guy who falls in love with an already engaged girl (played by
Maya Ali). The film received positive reviews from critics, and Munawar earned critical acclaim for his performance.
The Express Tribune worte that "[Sheheryar] has come a long way and that's evident in this movie — he is not the best but definitely not the worst".
Dawn noted that "He takes the emotional highs and lows of his character in stride to look within and struggle with introspection and repeated career and personal setbacks." Mahwash Ajaz thought that the film is a "stunning cinematic experience" and added that Munawar is "definitely the new heartthrob of the nation. He's the it boy you've been waiting for. His eyes and vulnerability express a lot and you can't help but root for him and his struggle."
Parey Hut Love earned over to emerge as one of the
highest-grossing Pakistani films. He has since created much hype for his upcoming television series, titled as
Pehli Si Mohabbat, opposite Maya Ali, that will start airing on Hum TV in 2021. == Personal life ==