Jeff Hostetler
Founding Engineer at Moonset Health (YC F24)
Boulder, Colorado, United States
Summary
👤
Senior🎓
Top SchoolJeff Hostetler is a pragmatic founding engineer with 11 years of software experience who specializes in building maintainable, test-driven services and launching greenfield applications. He’s led teams and served as the go-to problem solver on high-impact revenue initiatives, including expanding a platform that generated $15M in additional revenue. Comfortable across Ruby on Rails, TypeScript/React, PostgreSQL and AWS, he blends hands-on implementation with cross-functional collaboration to ensure solutions are observable and business-focused. His background ranges from mission-critical trip-execution systems to compliance-heavy workflows, giving him a knack for shipping reliable software in regulated and high-throughput environments. Based in Boulder, he pairs engineering craftsmanship with an appetite for ambiguity—often stepping into unclear problems and leaving scalable processes in his wake.
11 years of coding experience
9 years of employment as a software developer
Full Stack Developement Ruby on Rails JavaScript, Full Stack Developement Ruby on Rails JavaScript at gSchoolBachelor of Arts Physics; Astrophysics and Atmospheric Science, Bachelor of Arts Physics; Astrophysics and Atmospheric Science at University of Colorado
Github Skills (20)
rpg8
cli7
command-line6
game-development5
ruby5
markdown2
oauth2
batch-processing2
html2
spring1
java1
llm1
map-box1
activerecord1
maven1
Programming languages (4)
Github contributions (5)
SavoyaEngineering/retro
Jan 2018 - Apr 2019
A retro tool
Contributions:48 commits, 27 pushes, 3 branches in 1 year 3 months
retrocli
Jeff-Hostetler/active_record_sql_unionizer
Dec 2017 - Aug 2024
Contributions:4 PRs, 10 pushes, 6 branches in 6 years 8 months
railssqlrubygempostgresql
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