Denis Golubtsov
Frontend Developer at Semrush
Prague, Prague, Czechia
Summary
👤
Senior🎓
Top SchoolDenis Golubtsov is a pragmatic frontend developer with 11 years in web development and over 8 years focused on modern frontend stacks like React, Next.js and Node.js, currently driving UI work at Semrush from Prague. He combines curiosity and a constant learning mindset with a track record of measurable impact—most notably improving a company blog’s mobile PageSpeed from 40 to 65 through lazy loading, code-splitting, image optimization and caching. Denis is comfortable across frameworks and prioritizes tradeoffs that serve business needs, having helped define performance standards and monitoring across multiple product teams. Now exploring DevOps practices and LLM-driven automation, he’s interested in optimizing routine processes to free team time and scale impact.
11 years of coding experience
3 years of employment as a software developer
Master's degree, Accounting, Analysis and Audit, Master's degree, Accounting, Analysis and Audit at Rostov State University of EconomicsYandex School of Data Analysis
English, Russian
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (12)
datepicker10
datetime10
datetimepicker10
angularjs8
state-machine8
router7
facebook-messenger6
javascript6
jquery6
facebook6
typescript5
api1
Programming languages (3)
Github contributions (5)
alidzen/barbershop
Feb 2015 - Feb 2016
Contributions:8 commits, 3 pushes, 1 branch in 1 year
alidzen/muledesign
Feb 2015 - Feb 2016
Contributions:6 commits, 3 pushes, 1 branch in 1 year
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