Markus Siering

Markus Siering is a seasoned professional in frontend development, currently serving as a Senior Frontend Developer at Whiskey Tango Foxtrot GmbH since July 2025. Previously, Siering held the position of Senior Frontend Engineer at zolar, focusing on solar panel technology from September 2022 to June 2025. With experience as a Freelance Frontend Software Engineer at digitalisiering and a Senior Frontend Engineer at Stealth Startup, Siering has worked on projects involving cloud PaaS solutions. At sum.cumo Sapiens GmbH, Siering took on multiple roles, including Teamlead Development and UI Architect, from August 2018 to January 2022. Earlier experience includes a role as a Web UI Engineer at XING and as a UI Developer at Jimdo, where responsibilities included overseeing template management and product projects. Siering's career began with roles in public relations and digital project management, contributing to expertise in communication and project implementation. Siering holds a Magister Artium in Communication Science from the University of Münster.