Jeff Hansen
Principal Software Engineer at Taxfyle
Miami, Florida, United States
Summary
🤩
Rockstar🎓
Top SchoolJeff Hansen is a Principal Software Engineer with 13 years of experience, currently leading architecture and platform efforts at Taxfyle from his base in Miami. He specializes in JavaScript and C#, building high-performance systems and internal developer tools that streamline workflows and speed delivery. As Taxfyle’s first Principal Engineer he combines hands-on coding with platform strategy, having previously led platform and full-stack engineering there since 2016. An active open-source contributor, he built and refined utilities like typesync and enhanced awilix module loading, showing a knack for developer experience and robust IoC patterns. Started in Denmark and now working in the U.S., he brings international perspective and pragmatism to engineering teams. Colleagues know him for turning tricky build and dependency problems into reliable, well-tested solutions.
13 years of coding experience
13 years of employment as a software developer
Datatekniker med specialle i programmering Programmering, Datatekniker med specialle i programmering Programmering at EUC Syd
Danish, English
Stackoverflow
12,135reputation
1.6mreached
163answers
158questions
azure-table-storage
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jquery
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azure
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cordova
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if-statement
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jquery-mobile
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Github Skills (34)
javascript10
testing10
jes10
typescript10
typescript-types10
jtest10
nodejs10
typescripts10
cordova9
jquery-mobile9
azure-table-storage9
jquery9
if-statement9
esmodules9
asp-net9
Programming languages (14)
Github contributions (5)
jeffijoe/awilix
Feb 2016 - Jan 2023
Extremely powerful Inversion of Control (IoC) container for Node.JS
Role in this project:
Back-end Developer
Back-end DeveloperContributions:57 reviews, 398 commits, 162 PRs in 6 years 11 months
Contributions summary:Jeff focused on developing the `loadModules` function for the `awilix` library. They implemented the core functionality of loading modules based on glob patterns and integrating them into an Inversion of Control (IoC) container, including ES modules support. The code changes demonstrate the creation of the function, implementation of the loading logic, and the setup of corresponding tests to ensure functionality and integration.
awilixinversioniocnode-jsjavascript
jeffijoe/typesync
Jul 2017 - Jul 2022
Install missing TypeScript typings for dependencies in your package.json.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:29 reviews, 105 commits, 72 PRs in 5 years
Contributions summary:Jeff primarily focused on developing the `typesync` project, a tool for installing TypeScript typings. Their contributions included implementing the core logic for syncing type definitions, writing unit tests to ensure functionality, and refactoring the codebase. They also worked on the CLI, added support for scoped packages and Yarn workspaces, and addressed various bug fixes and code improvements to enhance the tool's usability and reliability.
dependenciespackage-jsonnpm-packagemissingnpm
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