Back to about

Juliette Pretot

Creative, ambitious, and enterprising software engineer.


  • JavaScript, React, GraphQL, Node.js
  • Mentoring, Agile Methodology


UX Engineer at Google, starting Apr 2020, London

Working on a project related to data security.

(Sr.) Web Engineer at N26, Jan 2018 to Mar 2020, NYC & Berlin

Isomorphic React, GraphQL, & Node.js powering the webapp of a unicorn challenger bank with 5M users.

  • Multiplied developer productivity by engineering key abstractions for state and UI concerns
  • Led web development of key features
  • Reduced errors in prod by 30% via deterministic script loading
  • Sped up time-to-first-meaningful-paint by 20% with improved server-side rendering
  • Improved time-to-interactive by 1.4s with code splitting
  • Doubled font loading speed via range-splitting & preloading
  • Mentored junior & mid-level engineers
  • Conducted interviews, proactively took charge of team processes

Lead Engineer at Language Academy, Aug 2016 to Dec 2017, Berlin

Statically rendered React for a language learning platform.

  • Created and led development of the web platform
  • Achieved a 10% visitor to subscriber rate on marketing pages
  • Achieved a 63% faster time-to-interactive compared to competitors
  • Reduced email automation cost by 82% with open source software
  • Co-founded the company, brought it to profitability

Web Developer & Design Researcher at Clue, 2015 to 2016, Berlin

JavaScript, HTML, & Python for a health tracking app with 5M users.

  • Rebuilt the support website, increasing page views by +20%
  • Built in-app surveys using web technologies
  • Prototyped a chatbot in Python
  • Created company-wide processes for user research


  • Google Developer Expert for Web Technologies, 2019 to 2020


  • Google Developer Challenge, Mobile Web Specialist (Scholarship)
  • Law at Humboldt University Berlin

Related Projects

  • co-commit: A Node.js tool to co-author commits on GitHub when pair programming. Featured on the front page of Product Hunt.
  • Agnostic Axe: Developer tool that reports accessibility issues to the browser console.