Arnošt P
Full Stack Engineer at Freelance
Pardubice, Czechia
Summary
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Rockstar🎓
Top SchoolArnošt P is a Full Stack Engineer with a decade of experience building and leading web projects for startups and enterprise clients, currently contributing to Excalidraw from Pardubice, Czechia. He blends hands-on front-end craftsmanship with practical backend and architecture work gained across roles at STRV, SYMBIO and as a long-term freelance developer. At Excalidraw he has improved rendering performance, SVG export caching and UI polish for a popular open-source virtual whiteboard, showing attention to both UX and low-level optimization. He has led teams, mentored hires, and participated in hiring and estimation, bringing senior-level ownership to project delivery. Comfortable with consulting, audits and prototyping, he’s equally at home improving accessibility and performance as shipping new features. His background in software and systems engineering informs a pragmatic approach that favors measurable improvements and maintainable code.
10 years of coding experience
10 years of employment as a software developer
Software Engineering and Managment, Software Engineering and Managment at Faculty of Electrical Engineering, Czech Technical University in PragueHigh School, Technical lyceum, High School, Technical lyceum at Střední průmyslová škola elektrotechnická Karla IV., PardubiceSystem Engineering and Informatics, System Engineering and Informatics at Faculty of Economics and Administration, University of Pardubice
English, German, Russian, Czech
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (12)
typescript10
javascript10
typescripts10
front-end-development10
performance-optimization10
typescript-types10
react10
ui-design9
canvas9
collaboration8
diagram7
whiteboard7
Programming languages (4)
Github contributions (5)
excalidraw/excalidraw
May 2023 - Jan 2025
Virtual whiteboard for sketching hand-drawn like diagrams
Role in this project:
Front-end Developer
Front-end DeveloperContributions:4 reviews, 14 PRs, 100 pushes in 1 year 8 months
Contributions summary:Arnošt primarily contributed to the front-end development of the Excalidraw application. Their work focused on improving performance by optimizing rendering for the library feature, caching SVG exports, and implementing memoization. They also addressed UI-related issues, such as library item alignment and the addition of a system theme selector, while also refactoring library components. The user also worked on the redesign of collaborator cursors.
diagramsdrawnhand-drawnproductivitycollaboration
arnostpleskot/homebridge-inels
Dec 2018 - Jun 2021
Contributions:15 commits, 4 pushes, 1 branch in 2 years 6 months
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