Katja Efremova is a Senior Backend Engineer at Babbel, where they continue to develop advanced backend systems. Previously, they served as a Backend Developer at shyftplan GmbH, building RESTful APIs and managing data workflows through various tools, including PostgreSQL and dbt. Katja initiated and implemented data transformation processes and was responsible for complex reporting using Tableau. They earned a Bachelor's degree in Economics from the Higher School of Economics from 2011 to 2013.
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