Konstantin Chernenko
Software Engineer at JetBrains
Diemen, North Holland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolKonstantin Chernenko is a seasoned software engineer with 12+ years specializing in interactive web and front-end architecture, currently at JetBrains supporting the Kotlin website and ecosystem. He combines deep TypeScript/React expertise with practical experience in NodeJS, Next/Gatsby, modern build tooling and browser APIs to ship high-performance, accessible documentation and promo sites. At JetBrains he led migrations from legacy platforms to open-source tooling (dokka), optimized CI/CD pipelines, and improved user engagement through A/B testing and performance tuning across thousands of pages. His background includes fintech-grade frontends at OpenWay and Yandex/Yandex.Money, giving him strong skills in secure, resilient interfaces and complex integrations. Comfortable across the stack, he also brings DevOps fluency with Docker, AWS, TeamCity and Terraform, and occasional backend work in Python/Flask. Beyond code, he contributes UX-focused UI kit work and visual polish—evidenced by front-end contributions to the public Kotlin website and interactive playground projects.
12 years of coding experience
12 years of employment as a software developer
Bachelor's degree, Automation Engineer Technology/Technician, Bachelor's degree, Automation Engineer Technology/Technician at Saint Petersburg University of Telecommunications
Github Skills (6)
javascript10
front-end-development10
website-design9
html9
css9
kotlin7
Programming languages (7)
Github contributions (5)
JetBrains/kotlin-web-site
Sep 2019 - Jan 2023
The Kotlin programming language website
Role in this project:
Front-end Developer
Front-end DeveloperContributions:195 reviews, 413 commits, 507 PRs in 3 years 4 months
Contributions summary:Konstantin primarily contributed to the user interface and visual aspects of the Kotlin website. Their commits include the addition of new banners for different events and promotions, such as KotlinConf and the Kotlin 1.5 release. They also modified the existing code examples and updated UI elements like the main page, community page, and navigation bar. The user also appears to be involved in updating the website's CSS and JavaScript files.
kotlinprogramming-language
Karolyna84/kotlin-web-site
Sep 2020 - Oct 2020
The Kotlin programming language website
Contributions:6 commits in 1 month
kotlinprogramming-language
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