Louis Pilfold
Creator & Lead Developer
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolLouis Pilfold is the creator and lead developer of the Gleam programming language with 12 years of engineering experience building reliable, type-safe systems and developer tooling. Based in London, he combines hands-on language design and compiler work with product and platform engineering through his contracting studio, Otter Nonsense. His background spans cloud and infrastructure automation at Nationwide, real-time video and AdTech platforms, and Rust-based tooling for game engines, demonstrating fluency across languages like Elixir, Go, Rust and Ruby. An active open-source maintainer, he contributes to Elixir core, Gleam’s stdlib and tooling, and widely used projects such as Exercism and vim-snippets, often improving test automation and build systems. He’s shipped production-grade automation that reduced complex cloud provisioning from weeks to minutes, and as a former founder/CTO brings product-minded architecture and strong documentation skills. Curious and pragmatic, he balances language innovation with pragmatic developer UX and robust testing practices.
12 years of coding experience
9 years of employment as a software developer
Herschel Grammar SchoolUniversity of BrightonMOOCs
English, Irish
Stackoverflow
1,767reputation
79kreached
3answers
20questions
Github Skills (58)
unit-testing10
mixing10
back-end-development10
redis10
scripting10
elixir10
mixnet10
testing10
c1110
exunit10
data-structure10
c1710
tracks10
mixture10
leex10
Programming languages (44)
Github contributions (5)
gleam-lang/website
Jun 2016 - Jan 2023
🏡 Gleam's website and guide
Role in this project:
Technical Writer
Technical WriterContributions:373 reviews, 497 commits, 352 PRs in 6 years 8 months
Contributions summary:Louis's commits focused on updating documentation for the website. They rendered a book and updated links within the documentation. The changes primarily involve modifying the content and structure of the documentation, including restructuring a section and adding and correcting examples.
gleam
honza/vim-snippets
May 2014 - Jan 2023
vim-snipmate default snippets (Previously snipmate-snippets)
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:181 reviews, 385 commits, 618 PRs in 8 years 10 months
Contributions summary:Louis primarily focused on improving the quality and robustness of the project's snippets. Their contributions involved adding, fixing, and refining tests, including tests for indentation and syntax. They also updated test logic, demonstrating a focus on ensuring the snippets' functionality and adherence to coding standards. Additionally, the user modified configuration related to the project.
neovimvimsnippets
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