Sebastian Mayr
Principal Software Engineer at Atlassian
New York, New York, United States
Summary
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Rockstar🎓
Top SchoolSebastian Mayr is a Principal Software Engineer based in New York with 14 years of experience building robust, full-stack systems and leading engineering efforts at Atlassian. He combines deep hands-on development with a strong focus on interoperability and testing, evidenced by significant open-source contributions to jsdom (improving browser-like parsing and cookie behavior) and parallel.js (adding core multi-core utilities and Node worker emulation). Comfortable across servers and client-side edge cases, he has a track record of hardening test infrastructure and shipping pragmatic features that close gaps between browser and server environments. Trained in software engineering and electronic data processing, he brings a practical, systems-oriented mindset and a knack for tackling subtle compatibility and concurrency problems that often lurk behind high-level APIs.
14 years of coding experience
Bachelor of Science (BSc), Software Engineering, Bachelor of Science (BSc), Software Engineering at University of Central LancashireMatriculation, Electronic Data Processing and Organisation, Matriculation, Electronic Data Processing and Organisation at HTL Wiener Neustadt
German, English
Stackoverflow
549reputation
36kreached
21answers
0questions
Github Skills (15)
html10
dom-manipulation10
javascript10
nodejs10
webworker10
jasmine10
jtest10
html-parsing9
mongoose6
css6
svg6
onload6
jestjs6
jsdom6
image6
Programming languages (12)
Github contributions (5)
parallel-js/parallel.js
Apr 2013 - Feb 2015
Easy multi-core processing utilities for Node.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:83 commits, 5 PRs, 4 pushes in 1 year 10 months
Contributions summary:Sebastian primarily contributed to the development and testing infrastructure of the `parallel.js` library. They added core functionality, including the `.spawn()` and `.reduce()` methods, enhancing the library's ability to execute tasks in parallel. Additionally, the user integrated unit tests using Jasmine and implemented a worker emulation for Node.js, improving the library's overall functionality and ensuring cross-platform compatibility.
paralleljavascriptworker-threadsnodejswebworker
jsdom/jsdom
Jun 2014 - Feb 2021
A JavaScript implementation of various web standards, for use with Node.js
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:3 reviews, 225 commits, 52 PRs in 6 years 9 months
Contributions summary:Sebastian primarily contributed to the jsdom project by implementing and testing various web standards and features, notably focusing on the implementation of the `navigator.cookieEnabled` property and associated tests. They also worked on improving the handling of HTML entities and document parsing, including tests for single HTML tags, invalid Chinese tags and missing tags to ensure that jsdom closely replicated browser behaviors. These enhancements included fixing existing issues and adding new tests. They also made contributions to improve the test infrastructure.
jsdomnode-jsjavascriptstandardsnodejs
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