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I am a Principal Software Engineer with deep experience leading teams and building amazing experiences using many different “front-end” web technologies. The list is deep and topics can range from JavaScript, Typescript, Node.js, React, CSS, Progressive Web Apps, developer experience, testing, continuous integration, and so much more.

You may be familiar with some of my open source work, like Normalizer, oneRepo, Build Tracker, and React Component Benchmark.

Or possibly you’ve seen me speak, like at React Europe 2019 about “Moving fast with confidence”.

Sometimes I write things down. Hopefully I do that in my blog and I’m not too long-winded about it. When I don’t write enough about something, it usually appears on Mastodon

What am I working on?

oneRepo - Easy, strict, safe, and fast JavaScript & TypeScript monorepo toolchain for high performance teams.


A small donation helps me understand how important my open source work is to you. It also shows that potentially things about the work are written too difficult to understand. By sending a little something my way, I'll do my best to be extra helpful.


Help me understand which projects are the most valuable for me to focus on helping you with.

Current sponsors 1


Featured work

  1. paularmstrong/normalizr

    Normalizes nested JSON according to a schema

    JavaScript 20,968
  2. paularmstrong/react-component-benchmark

    A component to help benchmark React components and their trees.

    TypeScript 381
  3. paularmstrong/build-tracker

    A set of tools to track the size of your build artifacts over time.

    TypeScript 437
  4. paularmstrong/onerepo

    Easy, strict, safe, and fast JavaScript & TypeScript monorepo toolchain for high performance teams.

    TypeScript 115

10% towards 10 monthly sponsors goal


blackjack75 sponsors this goal

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A little reminder that the work matters.

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The work really matters and my continued efforts will go a long way.