Konstantin Simanov
Frontend Developer at SOFTSWISS
Belgrade, Central Serbia
Summary
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SeniorKonstantin Simanov is a Frontend Developer with 11 years of experience building user-focused web interfaces, currently working at SOFTSWISS from Belgrade. He specializes in React, TypeScript, JavaScript and CSS, and has a strong product and UX mindset that drives consistent, accessible component design. At Semrush he helped develop and maintain the Intergalactic design system used across multiple products, improving developer experience and accessibility compliance. He’s delivered performance and testing improvements—halving large form load times and cutting e2e test runs from 20 to 5 minutes—demonstrating an attention to both user and engineering efficiency. Konstantin often takes ownership of cross-cutting frontend work like embeddable widgets, build optimizations, and mentoring teammates, making him effective in small teams and fast-moving projects. He’s seeking opportunities to apply his React/TypeScript expertise on exciting products that value UX and scalable front-end architecture.
11 years of coding experience
11 years of employment as a software developer
Github Skills (27)
javascript10
microphone10
image-file10
image9
webcam9
audio9
music8
spotify8
stream7
angularjs7
react7
streaming7
videojs6
player6
windows6
Programming languages (3)
Github contributions (5)
GordonDrop/ru.javascript.info
Apr 2019 - May 2019
Современный учебник JavaScript
Contributions:77 pushes, 5 branches in 29 days
javascriptjsdelivr
hexmcp/mcp-server-framework
Jun 2025 - Jul 2025
Contributions:40 PRs, 78 pushes, 34 branches in 7 days
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