Jon Ursenbach
Lead API Engineer at ReadMe
San Francisco, California, United States
Summary
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RockstarJon Ursenbach is a Lead API Engineer based in San Francisco with 18 years building and running developer-facing platforms and integrations. He specializes in API design, OpenAPI adoption, and documentation tooling—leading API teams at ReadMe and Vimeo to modernize developer experiences, migrate stacks to cloud, and ship resumable upload and OpenAPI-powered docs. A hands-on engineer, Jon has maintained and improved open-source projects (notably contributing extensibility and multi-language snippet generation to Kong/httpsnippet) and runs security and open-source programs in production. He combines full-stack implementation experience—from PHP/Laravel migrations at Zillow to API tooling and SDK stewardship—with product-minded project leadership, often surfacing pragmatic improvements that reduce developer friction behind the scenes.
17 years of coding experience
21 years of employment as a software developer
Stackoverflow
3,072reputation
214kreached
18answers
9questions
Github Skills (15)
javascript10
php9
swift9
objective-c9
api8
shell8
nodejs8
testing8
apidoc8
json6
vimeo-api6
wordpress6
language-agnostic6
protocols6
vimeo6
Programming languages (16)
Github contributions (5)
Kong/httpsnippet
May 2020 - Jul 2022
HTTP Request snippet generator for many languages & libraries
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:43 reviews, 45 commits, 39 PRs in 2 years 2 months
Contributions summary:Jon primarily worked on improving the HTTP snippet generator, focusing on generating code snippets for various languages and libraries. Their contributions involved adding and modifying tests for Objective-C and Swift, specifically implementing features for NSURLSession in both Objective-C and Swift. They also added the ability to import custom targets and target clients, demonstrating a focus on extensibility. Further work involved refactoring and updating targets and clients across several languages like PHP, JavaScript, and shell, with improvements to both code generation and testing.
http-requestsnippet-generatorsnippetlanguagesrequest
readmeio/oas-to-har
Nov 2019 - Jan 2023
Utility to transform an OpenAPI operation into a HAR representation
Contributions:41 releases, 97 reviews, 308 commits in 3 years 2 months
representationapioperationtransformhar
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