Allen Madsen
Staff Software Engineer at Wistia
Newport News, Virginia, United States
Summary
👤
Senior🎓
Top SchoolAllen Madsen is a Staff Software Engineer with 17 years of experience building scalable, data-focused web systems and developer-facing products, currently at Wistia. He blends deep back-end Elixir/BEAM expertise with full-stack JavaScript work (Phoenix, Ember) and has architected distributed cron, websocket APIs, and containerized deployment platforms. Allen has led engineering and mentoring at growth-stage companies, driving event-based messaging, subscription/billing integrations, and performance-sensitive integrations with third-party systems. An active open-source contributor, he’s fixed core Elixir issues and improved tooling such as an enhanced pre-commit hook and BEAM map operations for a WebAssembly-oriented VM, reflecting both language-level chops and practical developer tooling sensibilities. Based in Newport News but receptive to targeted Boston-area roles, he prefers small teams building software products for consumers or other developers.
16 years of coding experience
10 years of employment as a software developer
Bachelor, Software Engineering, Bachelor, Software Engineering at Rochester Institute of Technology
Stackoverflow
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Github Skills (28)
git10
erlang10
elixir10
testing10
exunit10
ruby10
code-analysis10
source-code-analysis10
functional-programming10
webassembly10
code-metrics10
json9
sc9
virtual-machine9
yaml9
Programming languages (11)
Github contributions (5)
elixir-lang/elixir
Sep 2017 - Jul 2019
Elixir is a dynamic, functional language for building scalable and maintainable applications
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits, 11 PRs, 36 comments in 1 year 9 months
Contributions summary:Allen contributed to the Elixir programming language repository by addressing various issues related to the core functionality of the language. They fixed type specifications for the `Task.Supervisor.start_child/4` function and implemented features to improve the robustness of the ExUnit testing framework. Furthermore, the user added new features to the `Module` and `ExUnit.Case` modules, and refactored existing code to use improved functions.
functional-languagescalablefunctional-programmingelixircompiler
GetFirefly/firefly
Sep 2019 - Sep 2019
An alternative BEAM implementation, designed for WebAssembly
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 commits, 12 PRs, 21 comments in 13 days
Contributions summary:Allen implemented several functions within the Erlang/BEAM virtual machine environment, specifically related to map manipulation. This included implementing functions like `values`, `get`, `take`, `remove`, `update`, and `from_list`, all related to map operations. They also added unit tests for these functions.
erlangbeamerlang-vmrustweb-assembly
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