Her career began in 2003 when she joined Elite Model Management as a faculty member (wardrobe grooming for aspiring models) and stylist. After this, she worked as a wardrobe consultant with television channels, which include Zee News, Zee Business, Zee Sports, BAG, Network 18. In 2008, she began her stint at FNL fashion magazine, published by the Images Group, where she worked as Fashion Editor and headed the fashion team. In 2010, Nitika joined Grazia from The Times of India Group, where she headed the fashion department as Asst Fashion Editor in New Delhi. She has also worked with magazines such as Marie Claire & Platform. As a freelance stylist, she has worked on commercial campaigns for Bacardi, Yamaha, Hazoorilal Jewellers, Givo, Lombard, Ambience Mall and Citywalk Mall. Nitika continues to work as a celebrity stylist. She studied fashion design at NIFT, New Delhi and JD Institute of Fashion Technology and completed her graduation from JMC. She also studied fashion styling at FIT, New York.

Besides teaching at Pearl Academy, she currently works as a freelance stylist as well as a designer for her own brand/label of Indianwear.