Etienne B.

Full Stack Developer

970 dollar
7 years

My experience

DatadogDecember 2019 - Present


Legalstart.frApril 2018 - January 2019

Jun 2018 - Jan 2019

Legalstart helps with all kind of administrative tasks. I was hired to improve the performance of theirpublic pages and applications. I analyzed the performance bottlenecks of their landing pages, and ina team effort, we reduced the load time by 40%.

Javascript, HTML, Sass, React.js, styled Components, Django, Python
Apr 2018 - May 2018

Legalstart helps with all kind of administrative tasks. I was hired to improve the performance of their public pages and applications. I cut down the size of the requied bundle from 17MB to 1MB. It yields a gain of around 58% of transferred size after minification.

Webpack, React.js, Bootstrap 4, Sass, Python, Django

Renault DigitalFebruary 2018 - March 2018

Renault Digital was recently created to be the digital factory for the whole Renault group.
I was hired to help finish a project available to Renault customers, to give feedbacks after testing Renault products and features.

React.js/Redux, Styled Components

DatananasNovember 2017 - January 2018

Datananas offers a SaaS as its main product.
I was hired to rewrite the front-end of this application with state-of-the art technologies and practices.

Technical environment: Vue.js/vuex, Sass, Node.js, Webpack

MyfutureJuly 2017 - September 2017

MyFuture offers a SaaS as its main product.
I was hired punctually to fix some bugs, and implement new features.

React.js/Redux, Sass, Meteor, AWS , Docker

WhatWeFundMarch 2016 - February 2017

WhatWeFund builds you an investment portfolio maximizing both its potential financial return and its positive social impact.
I was in charge of developing our main product, a SaaS application I designed everything from UX/UI to the back-end.

React.js/Redux, Less, Node.js, Go, Google Cloud Platform

Atos WorldlineFebruary 2013 - February 2016

Worldline is the European leader in the payments and transactional services industry.
I pursued my PhD part time in the R&D team in charge of next generation cloud computing, and part time at INSA de Lyon, CITI Laboratory, under Pr. Stéphane Frénot.
Our thesis was about bridging the gap between development productivity and performance efficiency, in the case of web applications.

Javascript ES5, Development productivity (composition and encapsulation in OOP and FP), Performance efficiency (parallelism)

Winterwell AssociatesOctober 2012 - December 2012

Javascript, CSS

My stack


Node.js, Bootstrap, Django, Meteor, Redux

Computer Tools

Microsoft Office Pack

IT Infrastructure

Docker, Google Cloud Platform (GCP), Linux, Git




Webpack.js, SaaS, Vue.js, AWS, React.js


UI Design, UX Design, Project Management


Less, HTML5, Python, HTML, CSS, PHP, Java, JavaScript, C/C++

My education and trainings

Ingénieur, Informatique - Institut national des Sciences appliquées de Lyon2007 - 2012

Interaction Design - Chalmers University of Technology2011 - 2012