[2] Bauck is one of the two founders of HotelOnline,[3] a Nairobi-based, pan-African travel technology company that he co-founded with Endre Opdal in 2013.

[4][3] Before HotelOnline, Bauck was noted for his earlier venture, Nairobi Airport Hotel, the first known short-term apartment rental services in East Africa,[1][2][5][6] and Savanna Sunrise, an early digital marketing service provider in East Africa.

[1][5][7] In 2017, Bauck completed the what is thought to have been the first equity crowdfunding in Sub-Saharan Africa,[2][8][9][6] raising USD 250,000 for HotelOnline.

[8][2] In 2019, he facilitated the merger between Kenyan traveltech startup Cloud9XP and tour operator Heartbeat Adventures, and was appointed the chairman of the merged company.

[13][14][15][17] He is a public speaker and writer, delivering frequent talks and articles on tourism, investment and entrepreneurship in Africa.