Roman Grebennikov
About Roman Grebennikov
Roman Grebennikov is a Principal Engineer at Delivery Hero and Metarank Labs in Berlin, Germany, with extensive experience in machine learning and big data engineering.
Current Roles at Delivery Hero and Metarank Labs
Roman Grebennikov is currently serving as Principal Engineer at Delivery Hero, where he is based in Berlin, Germany. His role includes hybrid working arrangements. Additionally, he maintains an active role at Metarank Labs as a Maintainer. These positions underline his prominent standing in the fields of engineering and machine learning, being actively engaged in contributing to both industry and open-source initiatives.
Past Experience at Findify and Sociohub
From 2016 to 2022, Roman Grebennikov led the machine learning initiatives at Findify as ML Lead. Prior to this, he served as the CTO and Big Data Engineer at Sociohub from 2012 to 2016 in the Voronezh Region of the Russian Federation. His role at Sociohub entailed significant responsibilities in big data engineering and managing technical operations, showcasing his expertise in advanced data technologies and leadership.
Educational Background in Computer Science
Roman Grebennikov pursued his education at Voronezh State University, where he studied Computer Science. He achieved a PhD from 2007 to 2011 and a Specialist degree from 2002 to 2007. This educational foundation laid the groundwork for his expertise in computer science, equipping him with the knowledge and skills essential for his professional career in engineering and machine learning.
Contributions to Open Source and Community Engagement
Roman Grebennikov actively participates in open-source projects, contributing to well-known projects such as metarank, lightgbm4j, and flink-scala. He also leads initiatives that promote learning and innovation within his teams, including organizing team and company hackathons, architecture review sessions, and a paper reading club. Additionally, he encourages his colleagues to share their knowledge at conferences and meetups, aiming to advance the field of machine learning and engineering.
Additional Roles and Innovations
In addition to his professional roles, Roman Grebennikov enjoys contributing to industry discussions on platforms like LinkedIn, HackerNews, Reddit, and Slack. Notably, he built a language model capable of generating dad joke punchlines on any prompt. He also serves as the editor-in-chief of a #memes channel on his company’s Slack, blending a sense of community and humor into his professional environment.