Shashwat started his career in 2011 in
Hollywood, Los Angeles working on numerous projects before moving to India in 2016. In 2017, he was chosen as the music composer for
Phillauri, which starred
Anushka Sharma and
Diljit Dosanjh. In 2018, he composed four songs for
Veere Di Wedding, a Bollywood female buddy comedy film, directed by
Shashanka Ghosh. The film starred
Kareena Kapoor Khan,
Sonam Kapoor Ahuja,
Swara Bhaskar and Shikha Talsania. In the same year, he scored for
Selection Day, an Indian
Netflix Original sports
web television series, based on
Aravind Adiga's 2016
novel of the same name. It was produced by
Anil Kapoor and
Anand Tucker. In 2019, he composed the music as well as the background score for
Uri: The Surgical Strike, an Indian
action film written and directed by debutant
Aditya Dhar, and produced by
Ronnie Screwvala under his banner RSVP Movies. The film, starring
Vicky Kaushal, is based on the 2016
Indian Army's surgical strikes on PoK in retaliation for the
Uri attack. The film's music received rave reviews. His background score was also appreciated and released separately on popular demand. Shashwat won the award for
Best Background Music at the
66th National Film Awards and the
IIFA Award for Best Background Score at the
21st IIFA Awards for
Uri: The Surgical Strike. He also won the 65th
Filmfare R.D. Burman Award for Best New and Upcoming Talent. In 2021, he released a production album titled
Euphoria (And the Following Realities) under
Extreme Music. The track "Dharma", from the album, won Best World Production Music 2021 and Shashwat himself won PRS Foundation The Best Newcomer 2021 in the Production Music Awards 2021 held in London on 12 December 2021. In 2022, he worked on the soundtrack of the film
Attack, an Indian
Hindi-language
superhero film directed and co-written by Lakshya Raj Anand. The film produced by
Jayantilal Gada, John Abraham and Ajay Kapoor, starred
John Abraham alongside
Jacqueline Fernandez and
Rakul Preet Singh. Shashwat, released independent music with a new label called IndieA Records launched in India with the intention to nurture and promote independent artists backed by
Universal Music India. He dropped his first piece of music with them called "Awaara Ho". 2024 saw his work on the soundtrack for the film
Article 370, a
political action thriller film directed by Aditya Suhas Jambhale, who co-wrote the film with
Aditya Dhar, Arjun Dhawan, and Monal Thaakar. Produced by
Jyoti Deshpande, Aditya Dhar, and Lokesh Dhar, the film stars
Yami Gautam,
Priyamani, Skand Thakur, Ashwini Kaul,
Vaibhav Tatwawadi,
Arun Govil, and
Kiran Karmarkar in pivotal roles. Shashwat worked as a featured artist on
Hans Zimmer and
James Everingham's score for the 2025 BBC crime thriller
Virdee, based on AA Dhand's much-loved novels. The six-part series was adapted for the screen by AA Dhand and was produced by Magical Society for BBC One and BBC iPlayer. In August 2025, he composed the soundtrack for web series
The Ba***ds of Bollywood. In December 2025, he worked on the
soundtrack of the film
Dhurandhar. His second collaboration with Aditya Dhar, after
Uri: The Surgical Strike, it received widespread acclaim, with its modern reinterpretations of nostalgic source material, and contributions from
Hanumankind, Reble,
Diljit Dosanjh, Simran Choudhary,
Arijit Singh and
Jasmine Sandlas among others, being highlighted as the main reason for its success.
India Today praised the creative reworking of retro melodies, calling the result "fresh, exciting, and tightly woven" into the film's contemporary action drama, resonating with audiences across generations. He also composed the soundtrack for its 2026 sequel,
Dhurandhar: The Revenge. While publications like
The Week praised the inclusion of retro iconic tracks in the soundtrack, and said that "the overall soundtrack is just a notch below
the former one", others like
mint, described it as being "darker, grittier and heavier than the former". He is now set to compose the soundtrack of the
Ram Charan production
India House. ==Discography==