Anthony Pessy
Lead Developer at OnCrawl
Talence, Nouvelle-Aquitaine, France
Summary
🤩
Rockstar🎓
Top SchoolAnthony Pessy is a Lead Developer with 11 years of experience building web platforms that bridge polished user interfaces and robust back-end systems. Based in Talence, France, he has deep expertise in high-volume data and near-real-time indexing from his R&D work on Exalead’s CloudView platform and now leads development at OnCrawl. He combines front-end craftsmanship—contributing UI fixes and features to notable open-source projects like ember-paper and the widely used C3 charting library—with low-level platform engineering such as lock-free garbage collection, WORM-FS integrations, and parallelized compaction. Comfortable spanning UX concerns to core performance bottlenecks, he enjoys untangling concurrency and I/O challenges that improve observability and latency. Colleagues describe him as a pragmatic problem-solver who makes complex systems feel simple for users and teams alike.
11 years of coding experience
10 years of employment as a software developer
Epitech
French, English
Github Skills (14)
data-visualizations10
material-design10
data-visualization10
javascript10
data-visualisation10
svg10
d3js10
ember10
ember-addon10
charting10
ui-components10
charts10
testing9
css9
Programming languages (10)
Github contributions (5)
c3js/c3
Aug 2016 - Dec 2019
:bar_chart: A D3-based reusable chart library
Role in this project:
Front-end Developer
Front-end DeveloperContributions:66 commits, 68 PRs, 13 pushes in 3 years 4 months
Contributions summary:Anthony primarily focused on improving the C3.js chart library's functionality and addressing specific issues. Their contributions included enhancements to the pie and donut charts, such as implementing the `padAngle` option and refining the handling of data order. They also resolved bugs related to tooltip behavior with equal values and special characters in target names. Furthermore, the user made improvements to the zooming feature, ensuring the current domain is correctly returned, and fixed axis label positioning.
visualizationchartsreactchartsvg
adopted-ember-addons/ember-paper
Nov 2016 - Mar 2019
The Ember approach to Material Design.
Role in this project:Front-end Developer
Front-end DeveloperContributions:23 commits, 45 PRs, 160 comments in 2 years 3 months
Contributions summary:Anthony primarily focused on enhancing the Ember.js-based UI library. Their contributions included implementing and refining UI components, such as forms, dialogs, and tabs. They also addressed usability aspects by adding features like text helpers and configuring dialog opaqueness. Furthermore, the user improved component styling by replacing flex attributes with flex classes and corrected positioning issues.
ember-addonapproachember-paperembermaterial-design
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