Dima Semyushkin
Senior Data Visualization Engineer
Helsinki, Mainland Finland
Summary
👤
Senior🎓
Top SchoolDima Semyushkin is a Senior Data Visualization Engineer with 17 years of full-stack development experience, currently based in Helsinki and specializing in TypeScript, React, D3 and advanced color spaces. He combines deep Java and JavaScript expertise with hands-on experience building and refactoring microservices, SPAs and collaborative visual programming tools, and has a track record of reducing maintenance costs and improving throughput in production systems. As a resilient engineering leader he has managed distributed teams up to ten people, established onboarding and knowledge-sharing practices, and mentored colleagues through code reviews and internal training programs. A lifelong enthusiast of data visualization, he has engineered D3/React dataviz frameworks, taught a multi-day dataviz course, and obsessively optimizes SVG rendering and color representation. Notably, he has volunteered to patch critical CVEs across dozens of microservices, demonstrating a pragmatic blend of security stewardship and feature delivery.
17 years of coding experience
16 years of employment as a software developer
Specialist Information systems and technologies, Specialist Information systems and technologies at ITMO University
Stackoverflow
15reputation
356reached
0answers
2questions
Github Skills (133)
parser10
plot10
site-builder10
site-generator10
vega-lite10
edward10
styles10
page-builder10
drag-and-drop10
tufte10
javascript9
charts9
angular9
maps9
grapesjs9
Programming languages (8)
Github contributions (5)
devgru/react-data-vis-engine
Oct 2017 - Oct 2018
Contributions:76 commits, 29 pushes, 1 branch in 1 year
devgru/devg.ru
Jan 2019 - Nov 2024
Contributions:29 pushes, 2 branches in 5 years 11 months
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