Johnathan Leppert
Founding Engineer at ORKID
Columbus, Ohio Metropolitan Area United States
Summary
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SeniorJohnathan Leppert is a founding engineer and technical leader with 15 years building full-stack web and mixed hardware/software products from early-stage startups to enterprise teams. He combines hands-on development—spanning React, Node, WebGL mapping, cloud services, and ML-powered medical imaging—with experience designing embedded flight and rover systems for VTOL and inspection platforms. A repeat startup contributor and former Director of Software Engineering, he has grown teams, built mission-planning and ETL systems for UAVs, and shipped prototypes that moved from lab demos to TechStars traction. He also contributes to open-source tooling for front-end templating (notably fixes to Dust.js) and has a knack for rapid prototyping that bridges firmware, visualization, and ML inference in the browser. Based in Columbus, Ohio, he pairs product-focused engineering with practical hardware insight, often turning ambiguous requirements into deployable systems.
15 years of coding experience
17 years of employment as a software developer
Stackoverflow
365reputation
55kreached
1answer
10questions
Github Skills (14)
javascript10
parser10
parsing10
templating10
parse10
testing10
digest6
ajax6
unit-testing6
php6
hash6
multithreading6
database6
database-schema6
Programming languages (14)
Github contributions (5)
linkedin/dustjs
May 2012 - Sep 2012
Asynchronous Javascript templating for the browser and server
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:13 commits in 3 months
Contributions summary:Johnathan primarily contributed to the dustjs repository by fixing bugs related to HTML escaping and parser functionality. They addressed issues with single quotes in the HTML escaping process and improved the parser to handle numbers in aliases. These changes included modifying the `dust.js`, `lib/parser.js`, and `src/dust.pegjs` files to improve the library's templating capabilities. Furthermore, the user enhanced the test suite by adding new test cases for the select helper, ensuring correct behavior.
asynchronousbrowsertemplatingjavascriptasynchronous-javascript
jleppert/nodeflix
Mar 2012 - Nov 2014
Contributions:6 commits in 2 years 8 months
api-clientapinetflix-apinetflixnode-js
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