Josh Callebaut
Staff Software Engineer at Heartflow
Austin, Texas, United States
Summary
🤩
Rockstar🎓
Top SchoolJosh Callebaut is a Staff Software Engineer based in Austin with 11 years of experience building game-driven learning products and medical imaging software. He blends front-end JavaScript expertise—evident from notable contributions to the popular CodeCombat learning game—with systems work at HeartFlow, rising from engineer to staff level. His background spans game design, analytics-driven product improvements that lifted revenue, and prototyping hardware-software educational devices, indicating a talent for turning complex domains into approachable experiences. Curious and self-directed, he continuously expands his toolkit to tackle harder problems faster and often spends free time programming and creating prototypes. Colleagues describe him as a pragmatic engineer who pairs creativity with measurable impact across both consumer-facing games and clinically oriented applications.
11 years of coding experience
7 years of employment as a software developer
Incomplete Mathematics, Incomplete Mathematics at Arizona State UniversityShadow Mountain High School
English
Github Skills (5)
j10
front-end-development10
javascript9
web-development8
coffeescript8
Programming languages (4)
Github contributions (5)
codecombat/codecombat
Nov 2015 - Jul 2017
Game for learning how to code.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:144 commits, 78 PRs, 66 pushes in 1 year 8 months
Contributions summary:Josh primarily contributed to the front-end development of the game, making modifications to the about page by adding and updating team member information, including names, titles, blurbs, and images. Their work involved editing Jade templates and the en.coffee (i.e., English locale file) to reflect these updates. Furthermore, the user added a new view for managing Thang tasks, indicating a focus on improving the game's editor interface.
game
Zerrien/Synthmon
Jun 2015 - Mar 2016
Contributions:60 commits, 57 pushes, 1 branch in 9 months
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