Laszlo Pandy
Senior Frontend Engineer at Faire
Toronto, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolLaszlo Pandy is a Senior Frontend Engineer with 17 years of experience building large-scale web applications, currently focused on Prezi Video and frontend work at Faire from Toronto. He architects complex TypeScript and React systems and has hands-on experience integrating a C++ rendering engine into the browser via Emscripten. At Prezi he led the web editor rewrite, set long-term Redux architecture and coding conventions, and scaled teams while prioritizing technical debt. An active open-source contributor, he improved the Elm compiler and core libraries and helped bring Elm-style effects into Redux with redux-loop, demonstrating deep interest in reliable tooling and debugger UX. He enjoys mentoring engineers and is notable for coaching teams to be more deliberate—teaching when to say “no” to scope bloat. His background in functional programming, build systems and embedded C gives him a rare full-stack perspective on performance-sensitive UIs.
18 years of coding experience
11 years of employment as a software developer
Bachelor of Computer Science, Minor in Linguistics, Bachelor of Computer Science, Minor in Linguistics at Carleton University
French, hungarian (beginner), English
Github Skills (23)
debugging10
javascript10
actionresult10
testing10
jes10
typescript10
elm10
redux10
jestjs10
typescript-types10
jtest10
hresult10
functional-programming10
typescripts10
resultset10
Programming languages (9)
Github contributions (5)
redux-loop/redux-loop
May 2019 - Nov 2020
A library that ports Elm's effect system to Redux
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:3 reviews, 9 commits, 16 PRs in 1 year 6 months
Contributions summary:Laszlo contributed to the `redux-loop/redux-loop` library by implementing new features and fixing existing issues. They introduced unique symbol types for `Cmd.getState` and `Cmd.dispatch` in TypeScript, improving type safety. The user also addressed code quality by fixing linting issues, refactoring code to avoid repetition and introducing functionality for `setTimeout` and `setInterval` commands. Additionally, the user added comprehensive testing for the new features and functionalities.
effect-systemelmredux
elm/compiler
Jun 2013 - Jan 2016
Compiler for Elm, a functional language for reliable webapps.
Role in this project:Back-end Developer
Back-end DeveloperContributions:61 commits, 14 PRs, 54 comments in 2 years 7 months
Contributions summary:Laszlo primarily contributed to the Elm compiler project by introducing and refining features related to the Elm server, specifically adding command-line options like `--port`. They also worked extensively on the `Debugger.js` file, implementing features such as breakpoints, forward/backward stepping, and path tracing, indicating a focus on improving the debugging experience. Additionally, the user addressed a critical bug related to debugger initialization for Elm 0.10 and refactored the debugging code for clarity.
compilerelm
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