Robert Nystrom
Game Developer at google, on dart-lang
Seattle, Washington, United States
Summary
🤩
RockstarRobert Nystrom is a game developer and programming-language engineer with 17 years of experience, based in Seattle. He’s the author of well-regarded books "Game Programming Patterns" and "Crafting Interpreters," and has deep practical experience across both game-engine and language-tooling work. His open-source contributions span the Dart ecosystem (SDK, formatter, http, pub, dartdoc) and language projects like Wren, often focusing on core runtime, compiler, and tooling improvements. He combines front-end polish (UI/CSS/UX for docs and books) with low-level systems work such as garbage collection, VM opcodes, and null-safety analyzer improvements. Robert’s background shows a rare blend of technical writing, API design, and hands-on systems programming, with an emphasis on readable, maintainable implementations.
17 years of coding experience
Stackoverflow
12,266reputation
4.4mreached
165answers
8questions
console
top-5%
lua
top-5%
dart
top-5%
loops
top-5%
model-view-controller
top-1%
oop
top-5%
Github Skills (77)
parserator10
programming-language10
benchmark10
parser10
interpretation10
package-management10
compiler-development10
testing10
http10
c1110
wren10
c1710
coding-style10
garbage-collection10
markdown10
Programming languages (11)
Github contributions (5)
dart-lang/language
Aug 2018 - Jan 2023
Design of the Dart language
Role in this project:
Back-end Developer
Back-end DeveloperContributions:582 reviews, 281 commits, 237 PRs in 4 years 6 months
Contributions summary:Robert contributed significantly to the Dart language design, specifically focusing on spread collections. Their work includes proposing and implementing spread collection features within the Dart language specification. They also developed and tested benchmarks to assess spread collection performance, utilizing Dart and its associated testing frameworks.
language-changesdart-languagespecificationdartflutter
wren-lang/wren
Oct 2013 - Jul 2019
The Wren Programming Language. Wren is a small, fast, class-based concurrent scripting language.
Role in this project:Back-end Developer
Back-end DeveloperContributions:1282 commits, 252 PRs, 772 pushes in 5 years 10 months
Contributions summary:Robert primarily focused on the Wren programming language's core implementation, evidenced by their commits. They addressed sequence point issues in the virtual machine's `dup` opcode and made changes to the compiler, including support for features like string interpolation and control over the string representation of numbers. Furthermore, they implemented new methods, notably in the `random` module and the `io` module by adding functionality related to files, directories and the system. This shows a strong contribution to the language's core features and functionality.
scriptingclass-basedvirtual-machinescripting-languagebytecode
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