Jon Jensen
Senior Software Engineer at Netflix
Salt Lake City Metropolitan Area United States
Summary
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RockstarJon Jensen is a Senior Software Engineer with 15 years of experience building reliable, testable web platforms at companies including Netflix and Amazon. He blends backend, full-stack and DevOps expertise, with a practical focus on test infrastructure, deterministic builds, and robust form and URL handling. An active open-source contributor, Jon has improved core projects like react-router, jsdom, and Remix—addressing flaky tests, build determinism, and subtle standards-compliance issues that improve developer experience. His background also includes database-trigger work and CI tooling enhancements (notably contributions to nektos/act), reflecting a knack for making complex systems more predictable and maintainable. Based in Salt Lake City, he pairs deep engineering craft with a history of leadership roles across startups and large teams, often surfacing non-obvious reliability fixes that pay dividends in production.
15 years of coding experience
18 years of employment as a software developer
Portuguese, French, Spanish
Github Skills (38)
url-routing10
javascript10
github-ci10
testing10
cil10
typescript10
ruby10
go10
remix10
jestjs10
sql10
typescript-types10
database-trigger10
html10
golang10
Programming languages (14)
Github contributions (5)
jenseng/hair_trigger
Mar 2011 - Dec 2022
Happy database triggers for ActiveRecord
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:17 releases, 8 reviews, 147 commits in 11 years 10 months
Contributions summary:Jon's primary focus was on refactoring and improving the core functionality of the `hair_trigger` gem. They made significant changes to the trigger builder, including supporting chaining within trigger groups and adding methods like `of` and `declare`. They also updated the documentation and fixed several bugs. Additionally, the user addressed database-specific considerations, such as adapting trigger generation for different database systems (e.g., PostgreSQL, MySQL, SQLite) and handling quoting of table names.
activerecorddatabase-trigger
nektos/act
Sep 2023 - May 2025
Run your GitHub Actions locally 🚀
Role in this project:Backend & DevOps Engineer
Backend & DevOps EngineerContributions:4 reviews, 6 PRs, 22 comments in 1 year 8 months
Contributions summary:Jon primarily contributed to the `nektos/act` repository by fixing float formatting issues in the expression parser and implementing features related to array expressions within the `runs-on` configuration. They also addressed a logging issue and made changes to how environment variables are set. These contributions demonstrate a focus on improving the core functionality of the project, likely related to the interpretation and execution of GitHub Actions workflows.
golangdevopslocallygoci
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