Glen Mailer
Software Engineer at Stainlessed Ltd
Sheffield, England, United Kingdom
Summary
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RockstarGlen Mailer is a pragmatic software engineer based in Sheffield with 21 years of experience delivering maintainable full‑stack JavaScript solutions and improving developer workflows. He focuses on eliminating waste—refactoring libraries, improving tests, and streamlining build and CI setups—to make projects easier to use and extend. Glen has contributed to high‑visibility open source like Mozilla Accounts, ESLint, webpack-hot-middleware and the Mori library, adding features, hardening rules, and enhancing hot-reload ergonomics. Comfortable across client and server code, he often tackles modularization, packaging for npm, and clearer failure diagnostics so teams ship with confidence. An understated but consistent thread through his work is improving developer experience: better docs, clearer tests, and configurable tooling.
21 years of coding experience
Github Skills (27)
javascript10
middleware10
testing10
hot-module-replacement10
persistent-data10
data-persistence10
eslint10
amd10
webpack10
immutability-helper10
persistent10
webpacker10
build-automation10
linter10
nodejs10
Programming languages (27)
Github contributions (5)
webpack-contrib/webpack-hot-middleware
May 2015 - Aug 2022
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 review, 218 commits, 99 PRs in 7 years 4 months
Contributions summary:Glen primarily focused on enhancing the `webpack-hot-middleware` project, which is a hot reloading solution for webpack. Their commits reveal work to extract example code into a dedicated module, refactor the client-side code and add options to control the behavior. The user implemented new functionalities such as custom events and the ability to publish custom events, and also added and improved testing coverage. The user addressed several issues around EventSource and hot reloading behavior by making improvements.
defaults-exemptattachhmrmiddlewarewebpack
swannodette/mori
Jul 2014 - Jan 2015
ClojureScript's persistent data structures and supporting API from the comfort of vanilla JavaScript
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:5 commits, 1 PR, 1 comment in 6 months
Contributions summary:Glen contributed to the mori library by adding new features, setting up the build process, and creating documentation. They implemented `partition-all`, `take-nth`, and `lazy-seq` functions, extending the library's functionality. They also configured Travis builds for continuous integration. Additionally, the user imported documentation from the gh-pages branch and created a script to update the documentation.
apipersistent-datajavascriptclojurescriptcomfort
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