Mark Striemer
Web Developer at Mozilla
Winnipeg, Manitoba, Canada
Summary
🤩
Rockstar🎓
Top SchoolMark Striemer is a seasoned web developer with 16 years of experience based in Winnipeg, Manitoba, currently building the Firefox Marketplace at Mozilla. He brings strong front-end and full-stack JavaScript expertise, contributing to high-profile open-source projects like Mozilla's addons-linter and addons-frontend where he improved schema validation, UI components, and test coverage. His work on gecko-dev shows depth in web components and accessibility features using LitElement, theming, and localization. Comfortable navigating large codebases, he’s adept at refactoring, directory restructuring, and handling edge cases that improve robustness. Prior roles across Canadian organizations honed his pragmatic engineering approach and product-focused mindset. Outside obvious contributions, he combines long-term project stewardship with a knack for turning spec-level schema details into reliable, testable implementations.
16 years of coding experience
4 years of employment as a software developer
Bachelor of Science (B.Sc.), Computer Science, Bachelor of Science (B.Sc.), Computer Science at University of Manitoba
Stackoverflow
95reputation
14kreached
2answers
4questions
Github Skills (31)
lit-element10
javascript10
schema-validation10
css10
web-components10
ui-design10
redux10
webpack10
uid10
front-end-development10
webpacker10
html10
webextension10
react10
json-schema9
Programming languages (8)
Github contributions (5)
mozilla/addons-frontend
Feb 2016 - Sep 2018
Front-end to complement mozilla/addons-server
Role in this project:
Front-end Developer
Front-end DeveloperContributions:140 commits, 278 PRs, 170 pushes in 2 years 7 months
Contributions summary:Mark primarily contributed to front-end development tasks, focusing on UI enhancements, bug fixes, and code quality improvements. They passed various code style checks and implemented UI updates and new features within the application's codebase. The user was also involved in restructuring directories and refactoring components, demonstrating an understanding of the project's architecture.
reactaddonsreduxaddoncomplement
mozilla/addons-linter
Mar 2017 - Oct 2018
🔍 Firefox Add-ons linter, written in JavaScript. 👁
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:2 releases, 47 commits, 96 PRs in 1 year 8 months
Contributions summary:Mark's commits primarily involve improvements to the Firefox Add-ons linter, demonstrating expertise in JavaScript. They focused on enhancing schema validation and import processes by integrating Firefox schema data, expanding $ref handling, and handling edge cases in the schema definition. The user implemented tests to validate commands and browser APIs, contributing to the overall robustness of the linter.
firefoxfirefox-add-onsadd-onslinterweb-extensions
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