Sébastien Fragnaud
Saint-Nazaire, Pays de la Loire, France
Summary
🤩
Rockstar🎓
Top SchoolSébastien Fragnaud is a front-end engineer with 11 years of experience designing data-oriented UIs and shipping production-grade components using JavaScript, TypeScript, React, SASS and CSS-in-JS. He has led technical efforts on exploratory visualization products like Imply Pivot, building component libraries, test suites and primary user flows while mentoring junior developers. Previously he built analytics front-ends with AngularJS and D3 at Metamarkets, embracing TDD and agile practices. An active open-source contributor, he improved the Apache Druid web console (adding time-chart brushing, auto-granularity and segment status UI) and extended charting libraries to support React, showing a pragmatic full-stack sensibility beyond pure front-end work. Based in Saint-Nazaire, France, he combines a systems-engineering education with a clear taste for fast, interactive data exploration interfaces.
11 years of coding experience
11 years of employment as a software developer
Diplôme d'ingénieur, Génie des Systèmes Industriels, Diplôme d'ingénieur, Génie des Systèmes Industriels at EIGSI - École d'ingénieurs généralistes
Stackoverflow
4,398reputation
414kreached
119answers
0questions
javascript
top-5%
apache-flex
top-5%
Github Skills (23)
javascript10
web-application10
typescript10
apache-druid10
ui-design10
uid10
front-end-development10
webapp10
angularjs10
typescript-types10
typescripts10
web-development10
react10
echarts9
apache-flex9
Programming languages (5)
Github contributions (5)
n3-charts/line-chart
May 2015 - Apr 2017
Awesome charts for AngularJS.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:5 releases, 201 commits, 173 PRs in 1 year 10 months
Contributions summary:Sébastien primarily contributed to the development of the AngularJS-based line chart library. Their commits focused on fixing bugs, adding features like tooltips, and integrating code coverage tools. They also added a react wrapper to allow the library to be used with ReactJS. These efforts improved the chart's functionality, maintainability, and cross-framework compatibility, enhancing the overall user experience.
donutchartschartangularjsangular
apache/druid
Mar 2019 - Sep 2024
Apache Druid: a high performance real-time analytics database.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:6 reviews, 13 PRs, 7 comments in 5 years 6 months
Contributions summary:Sébastien significantly contributed to the web console of the Apache Druid project. Their work involved implementing new features like a time-chart brush and auto-granularity, improving user interaction and data visualization. They also added UI support for segment loading status and concurrent compaction switches, enhancing the user experience and functionality of the web console. These contributions demonstrate a focus on both front-end and back-end web application development.
real-timebig-datadruiddatabasehadoop
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