Augustin's blog

Software engineer working primarily with JavaScript, React and Node. Been writing production-ready React code since 2015. Currently happy working at Klarna.

Technical Expertise

  • Javascript (ES2015 and more recent)
  • React and its ecosystem (Redux, GraphQL, Relay, Next.js)
  • Node.js (GraphQL APIs, command line tooling, server-side rendering)
  • Testing (jest, mocha, tape, enzyme, react-testing-library)
  • Static typing with Flow
  • Modern web tooling (bundling with webpack, transpiling with babel)
  • Git
  • CSS (scss, postcss, css-in-js)

Professional Experience

Extia (Contracting for Club Med) - Front end developer

September 2018 - August 2019

Context: Twenty developers split in feature teams corresponding to the main features of the website (several million users per month). The whole website is a single server-side rendered SPA written in React, consuming GraphQL APIs.

  • Pitched the migration of the whole website to Next.js to the stakeholders and took the lead of this project
  • Produced user facing features while tackling technical debt
  • Challenged and contributed to evolve testing strategy to reduce the number of false positives hindering team velocity
  • Improved existing static Flow typings and taught best practices to the rest of the team
  • Interviewed several candidates to join the team

Extia (Vamos Project) - Full stack developer

June 2015 - August 2018

Context: Vamos is a suite of react apps used by the employees of Extia, including a social network, a CRM or an app to help recruiters to manage the sourcing of candidates. It is developed by a team of six developers following agile methods.

  • Developed several greenfield React applications
  • Took charge of the technical leadership of the project six months after it started
  • Mentored two junior developers
  • Set up flow and taught the team on how to use it
  • Used redux to handle data fetching, before switching to Relay
  • Participated in the design and implementation of GraphQL APIs
  • Worked on the UX of the users’ macro browsing patterns

Extia (JavaScript meetup) - Organiser and trainer

January 2016 - August 2019

Context: Extia runs meetups about JavaScript, open to the public.

  • Organised and ran a dozen meetups
  • Coached and advised new speakers
  • Gave over ten talks about different topics, from functional programming, React hooks and suspence, to Rust.
  • Co-designed and co-ran training workshops to teach React to beginners

Extia (Agency work for GMT) - Front end developer

April 2017 - July 2017

Context: GMT, a construction company wanted a fully custom web application to help them manage their stocks.

  • Created a fully functional React SPA
  • Used RxJS and redux-observable to handle data-fetching
  • Implemented service workers to make it a PWA usable offline

Extia (Agency work for Federation Française de Bridge) - Front end developer intern

March 2015 - June 2015

Context: Extia developed from scratch the information systems of the French Federation of Contract Bridge. This included several websites and applications.

  • Contributed to several views of an Angular app
  • Set up unit testing with karma and linting

Orange - R&D intern

September 2013 - January 2014

Context: Orange Labs (Orange R&D department) runs exploratory projects at the intersection of design and development

  • Designed and administered UX workshops following a co-design approach, assisted by UX professionals
  • Created of a Node.js REST API
  • Developed data visualisations using D3.js


ESIEE Paris (Noisy-le-Grand, France)

Master of Science in Engineering, speciality in software development (2015)

Aalborg Universet (Aalborg, Denmark)

Master of Arts in Human Centered Design (2014) Thesis: “The effect of Open Data on the software development process: an exploratory approach”

Speaking Engagements

Paris.js (biggest JavaScript meetup in Paris)

  • Modify your codebase using codemods (2019-04-24)

Meetup by Extia

  • Livecoding with hooks and suspense (2018-12-18)
  • Rust and webassembly (2018-20-06)
  • Programming by coincidence (slides)
  • Functional programming (slides)
  • Flow (slides)