Sergey Fetiskin
Lead Engineer, Frontend at SmartRecruiters
Berlin, Germany
Summary
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RockstarSergey Fetiskin is a Lead Frontend Engineer based in Berlin with 13 years of experience building multilingual, production-grade web applications using Angular, React and modern JavaScript tooling. He has led frontend efforts across industries—from property management and tenant communications to weather and media SDKs—often owning DevOps and CI/CD responsibilities including Jenkins, Kubernetes and AWS. Known for raising code quality through testing, conventions and reusable libraries, he also mentors teams, performs hiring interviews and gives internal tech talks. A pragmatic problem-solver, Sergey combines deep UI expertise (responsive, mobile-first and localization-heavy apps) with practical backend and deployment experience that keeps delivery predictable.
13 years of coding experience
15 years of employment as a software developer
Russian, English, Japanese
Github Skills (200)
testing10
qunit10
schema10
openapi10
ng10
api10
webstorm10
ngx-translate10
api-server10
pipe10
nodejs10
api-client10
web-performance10
rest-api10
code-generator10
Programming languages (14)
Github contributions (5)
fetis/cusel
May 2013 - Dec 2013
Возрождение проекта cuSel
Contributions:38 commits, 1 PR, 1 push in 6 months
fetis/ds
Jul 2019 - May 2022
entropy delta: the entropic client
Contributions:9 PRs, 9 pushes, 6 branches in 2 years 10 months
deltaentropyentropic
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