Speaking

2026

• Boston Code Camp 40

  Mar 28 - Boston, USA

  How to Learn to Love the Linter

  Slides

• AspireConf 2026

  Mar 23 - Online

  TypeScript and Aspire

  Slides

2025

• NodeTLV 2025

  Dec 16 - Tel Aviv, Israel

  Tooling Like It’s 2025

  Slides

• MagnoliaConf 2025

  Oct 21 - Jackson, USA

  Why is TypeScript Like This?

  Slides

• JSHeroes 2025

  May 29 - Cluj-Napoca, Romania

  Tooling Like It's 2025

  SlidesVideo

• JNation 2025

  May 27 - Coimbra, Portugal

  Types Beyond TypeScript

  SlidesVideo

• Paris TypeScript la Conf'

  Feb 28 - Paris, France

  TypeScript's Teenage Years

  Slides

2024

• JetBrains JavaScript Day 2024

  Oct 24 - Online

  TypeScript Generics: Practical Fun

  SlidesVideo

• CascadiaJS 2024

  Jun 19 - Seattle, USA

  Your AI Needs an Assistant

  RepoSlidesVideo

• React Summit 2024

  Jun 12 - Amsterdam, NL

  Types Beyond TypeScript

  SlidesVideo

• JSHeroes

  May 23 - Cluj-Napoca, Romania

  Type-Safe Style Systems: The Future of CSS

  RepoSlidesVideo

• Emerging Tech East 2024

  Apr 9 - Philadelphia, USA

  The Best TypeScript Features You Might Not Be Using

  SlidesVideo

• Emerging Tech East 2024

  Apr 9 - Philadelphia, USA

  Understanding TypeScript: Fixing the Billion Dollar Mistake and Other Concepts

  SlidesVideo

• CityJS London 2024

  Apr 3 - London, UK

  The Best TypeScript Features You're Not Using

  SlidesVideo

2023

• React Day Berlin 2023

  Dec 8 - Online

  Type System React

  RepoSlidesVideo

• Wey Wey Web 2023

  Nov 23 - Malaga, Spain

  Real Time Nostalgia with Web Sockets

  SlidesVideo

• JSConf JP 2023

  Nov 19 - Online

  Static Analysis: Shockingly Awesome! ⚡️

  SlidesVideo

• React Summit 2023

  Nov 13 - New York City, New York USA

  Type-Safe Style Systems: The Future of CSS

  RepoSlidesVideo

• DevReach 2023

  Oct 26 - Sofia, Bulgaria

  TypeScript for JavaScripties

  SlidesVideo

• DevReach 2023

  Oct 25 - Sofia, Bulgaria

  Killing Mutants with Mutation Testing

  RepoSlidesVideo

• React Advanced 2023

  Oct 20 - Online

  Power Fixing React Performance Woes

  SlidesVideo

• LibertyJS 2023

  Oct 13 - Philadelphia, Pennsylvania

  Building a Design System Mid-Flight

  Slides

• revo.js 2023

  Oct 6 - Timișoara, Romania

  You Could Lint More

  SlidesVideo

• revo.js 2023

  Oct 5 - Timișoara, Romania

  Type-Safe Style Systems: The Future of CSS

  RepoSlidesVideo

• React India 2023

  Oct 3 - Online

  Type-Safe Style Systems: The Future of CSS

  RepoSlidesVideo

• React Live 2023

  Sep 29 - Amsterdam, NL

  Detecting React Bugs Automatically

  SlidesVideo

• JSDay IE 2023

  Sep 26 - Dublin, Ireland

  TypeScript Static Analysis Hidden Gems

  SlidesVideo

• SeattleJS Conf 2023

  Aug 8 - Seattle, USA

  Static Analysis: Don't Fear the Linter!

  SlidesVideo

• THAT Conf WI 2023

  Jul 24 - Wisconsin Dells, USA

  TypeScript for Javascripties: Day Camp Edition

  Slides

• KCDC 2023

  Jun 23 - Kansas City, USA

  Floating and Sinking Promises: Understanding Broken Async Code

  RepoSlides

• KCDC 2023

  Jun 22 - Kansas City, USA

  Static Analysis: Don't Fear the Linter

  Slides

• Web Directions Code 2023

  Jun 9 - Melbourne, Australia

  Static Analysis: Shockingly Useful! ⚡️

  SlidesVideo

• CityJS Athens 2023

  May 30 - Athens, Greece

  TypeScript for JavaScripties

  SlidesVideo

• JSConf India 2023

  May 18 - Online

  Interviewing Developers with Accuracy and Precision

  SlidesVideo

• Stir Trek 2023

  May 4 - Columbus, Ohio USA

  Building a Design System In-Flight

  SlidesVideo

• React Miami 2023

  Apr 21 - Miami, USA

  Setting Up ESLint and TypeScript for React

  SlidesVideo

• StaffPlus NYC 2023

  Mar 16 - New York City, USA

  How to Complain Positively

  SlidesVideo

• DeveloperWeek 2023

  Feb 15 - Online

  Floating and Sinking Promises

  RepoSlides

• THAT Conf Texas 2023

  Jan 17 - Round Rock, USA

  Design Systems: Maximum Consistency, Minimum Effort

  RepoSlides

2022

• React Day Berlin 2022

  Dec 2

  Statically Detecting React App Bugs with TypeScript and ESLint

  DemoSlidesVideo

• LeadDev Berlin 2022

  Nov 3 - Berlin, Germany

  Lessons Learned from Refactors and Rearchitectures

  SlidesVideo

• All Things Open 2022

  Oct 30 - Raleigh, USA

  TypeScript Static Analysis Hidden Gems

  DemoRepoSlides

• React Brussels 2022

  Oct 14 - Brussels, Belgium

  WebXR Karaoke

  DemoRepoSlidesVideo

• HalfStack Newquay 2022

  Jul 1 - Newquay, England

  WebXR Karaoke

  DemoRepoSlides

• Prisma Day 2022

  Jun 15 - Berlin, Germany

  Adventures in Type Safe Prisma Clients

  SlidesVideo

• React Global Online Summit 2022

  Apr 20

  Beyond Tailwind

  Slides

• React Global Online Summit 2022

  Apr 20

  Props, Mocks, and Context

  RepoSlidesVideo

• Untangling GraphQL 2022

  Apr 6

  Demystifying GraphQL Typings Generation

  Repo 1Repo 2SlidesVideo

• Web Directions Hover 2022

  Apr 1

  Focus Visible, At Last!

  SlidesVideo

• DeveloperWeek 2022

  Feb 7

  Accessible Accessibility

  Slides

2021

• GraphQL Galaxy 2021

  Dec 9

  GraphQL + Apollo + Next.js: A Lovely Trio

  ClientServerSlidesVideo

• WeAreDevelopers JS Congress 2021

  Nov 23

  GraphQL + Apollo + Next.js: A Lovely Trio

  ClientServerSlides

• A11y Camp 2021

  Nov 9

  Accessible Accessibility

  SlidesVideo

• React Global Online Summit 2021

  Nov 9

  Seven Common Hooks Mistakes

  RepositorySlidesVideo

• CascadiaJS 2021

  Nov 3

  From Takedown to TypeScript

  SlidesVideo

• TSConf 2021

  Sep 10

  Converting a Game Engine to TypeScript

  SlidesVideo

• Reliable Web Summit 2021

  Aug 21

  "Zero" Frontend Crashes in Production

  SlidesVideo

• CSSCamp 2021

  Jul 14

  Accessibility, Design Systems, and YOU!

  SlidesVideo

• WeAreDevelopers World Congress 2021

  Jun 28

  Microfrontends at Scale

  SlidesVideo

• JSWorld USA 2021

  May 21

  Building a Design System as a Team

  SlidesVideo

• A11y Bytes 2021

  May 20

  Crafting an Accessible Design System

  SlidesVideo

• React JS Case Study Festival 2021

  Apr 27

  Breaking the Codecademy Course Catalog

  SlidesVideo

• React Summit 2021

  Apr 14

  Stories and Strategies from Converting to TypeScript

  SlidesVideo

• JSWorld 2021

  Feb 22

  TypeScript for APIs

  SlidesVideo

2020

• JS Poland 2020

  Nov 20

  Super Strength ESLint

  SlidesVideo

• TSConf 2020

  Oct 9

  Type System Game Engines

  BlogSlidesVideo

• SWM Academy 2020

  Aug 6

  Speedy Expo Apps with Persistent Redux State

  SlidesVideo

2019

• TSConf 2019

  Oct 11 - Seattle, USA

  Binary Arithmetic in the TypeScript Type System

  BlogSlidesVideo