Molloy began his career in 1996 as a Senior Designer at Why Not and Associates in London, working with brands such as Nike, Virgin Records, and the BBC.
[1] In 2020, Molloy directed a television series for Quibi about "fake news" that reputedly influenced the United States 2016 Presidential election, starring Fionn Whitehead and executive produced by Matt Reeves.
[5][6][7] Molloy continued this work with Apple during the COVID-19 pandemic with a sequel titled "The Whole Working-From-Home Thing".
[8] The film was shot by Academy Award-winning cinematographer Greig Fraser and won an "innovation-in-lockdown" award at The One Show.
[11] In April 2022, Molloy was announced as the director of Beverly Hills Cop: Axel F for Netflix, replacing Adil El Arbi and Bilall Fallah after the duo wanted to focus on the unproduced Batgirl.