Andrei Palchys
Chief Software Engineer II at EPAM Systems
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
RockstarAndrei Palchys is a seasoned software engineering leader with 10 years of experience and currently serving as Chief Software Engineer II at EPAM Systems in Warsaw. He blends hands-on front-end expertise with technical leadership, notably contributing UI and visualization improvements to the well-regarded plotly.js charting library (Arctic Code Vault contributor). His work focuses on enhancing annotation and spikeline features, fixing tests and bugs, and raising code quality in complex visualization components. Andrei is comfortable shipping user-facing functionality while guiding teams through maintainable, testable implementations. Based in Poland, he brings a pragmatic, detail-oriented approach that balances product polish with engineering discipline.
10 years of coding experience
Github Skills (10)
data-visualizations10
javascript10
data-visualisation10
visualization10
data-visualization10
visualizations10
chartjs10
charting10
charts10
testing9
Programming languages (11)
Github contributions (5)
plotly/plotly.js
Aug 2017 - Jan 2018
Open-source JavaScript charting library behind Plotly and Dash
Role in this project:
Front-end Developer
Front-end DeveloperContributions:26 commits, 5 PRs, 66 comments in 4 months
Contributions summary:Andrei primarily contributed to the front-end aspects of the plotly.js library. Their work focused on improving the annotation and spikeline functionalities, including adding new properties and fixing related tests. They also addressed bugs and made code improvements to improve code quality. A key area of their contributions was in the user interface and visualization components.
chartsdashcharting-librarychartwebgl
rolling-scopes/sloths
Sep 2022 - Mar 2025
Contributions:5 PRs, 14 pushes in 2 years 6 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.