Nikolau took her first rooftop images in Moscow. After that she was actively travelling around the world and publishing photos taken at height. In 2015, Nikolau was engaged as a witness in an investigation against a rooftopper Vladimir Podrezov and his friends who painted the star of the Stalinist skyscraper on Kotelnicheskaya Embankment into Ukrainian flag colours. In 2016, Nikolau and fellow rooftopper
Ivan Beerkus went to China to scale the highest construction site in the world. The pair climbed
Goldin Finance 117 in
Tianjin and the construction crane at the top of the tower. As of April 2020, the video shot by the two was viewed more than 920,000 times. The video attracted the attention of the global media. In 2017, Nikolau played the main character in the Danish documentary
On the Edge of Freedom. In 2018, she played one of the lead roles in a
Who is Next? documentary by Slovak documentarian Miro Drobný. In 2022, Nikolau and Beerkus scaled the rooftop of the Malaysian skyscraper
Merdeka 118 - the second-tallest building in the world. This event was covered by multiple media around the world. Instagram videos of the accomplishment reached 8.6 million views. Nikolau gained 730,000 followers on Instagram during her career. Nikolau creates
non-fungible tokens (NFTs) using photographs of her pursuits. Her works were included in the
NFT Yearbook in 2022. Angela and Beerkus are the focus of the feature-length documentary
Skywalkers: A Love Story, which premiered at the Sundance Festival in 2024 and was acquired by Netflix in the same year. == Personal life ==