Sergey Grebenshchikov
Cloud & Systems Consultant at Toptal
Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolSergey Grebenshchikov is a Cloud & Systems Consultant with 11 years of hands-on experience delivering cloud-native infrastructure and DevOps solutions from Bavaria, Germany. Working freelance through Keilerkonzept and Toptal, he blends deep systems engineering with pragmatic consulting for contract engagements. His background includes multi-year consulting at codecentric AG and strong academic foundations from Technical University Munich (B.Sc. and M.Sc. in Informatics with a mathematics minor). Sergey is comfortable across the cloud stack—automation, CI/CD, and scalable operations—and favors contract roles that let him focus on concrete, high-impact delivery. Off-hours curiosity is hinted by an unconventional GitHub bio, suggesting a creative, resilient problem-solver who thrives in long, focused engagements.
11 years of coding experience
B.Sc, M. Sc., Informatik (Minor in Mathematics), 1,3, B.Sc, M. Sc., Informatik (Minor in Mathematics), 1,3 at Technical University Munich
Russian, German, English, French, Spanish
Github Skills (155)
env10
json-data10
golang-cli10
expressions10
emoji10
terraform10
effects10
evaluator10
dockerfile10
eggplant10
shake10
assume-role10
charts10
jsonpath10
tint10
Programming languages (9)
Github contributions (5)
sgreben/katacoda-scenarios
May 2017 - Feb 2019
Contributions:1 PR, 488 pushes, 1 branch in 1 year 9 months
scenarioskatacodakatacoda-scenarios
sgreben/stdin-spinner
Feb 2019 - May 2020
Contributions:7 releases, 11 commits, 10 pushes in 1 year 2 months
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