Luke Schleicher
Staff Backend Developer at Hallow
Chicago, Illinois, United States
Summary
👤
Senior🎓
Top SchoolLuke Schleicher is a Staff Backend Developer in Chicago with 10 years of experience building resilient web services and data pipelines for health and telemedicine products. He currently leads Node.js backend development at Hallow, helping millions form prayer and meditation habits, and previously scaled backend test coverage and data-processing workflows at Tempus for large pathology datasets. Luke brings full-stack fluency—from hand-crafted front ends and WebRTC integrations to robust TypeScript/NestJS services and Python APIs—and a proven knack for shipping pragmatic, test-first engineering. He’s comfortable designing systems that handle terabytes of data and productionizing computational biology jobs into structured data products. A philosophy graduate who cut his teeth at a coding bootcamp, he combines thoughtful problem framing with hands-on implementation and a preference for measurable impact. Notably, he drove Tempus’s backend test coverage from 0% to 70%, demonstrating an emphasis on reliability as a lever for scaling teams and products.
9 years of coding experience
7 years of employment as a software developer
Viking Code SchoolBachelor’s Degree, Philosophy, Bachelor’s Degree, Philosophy at Wheaton College
Github Skills (105)
cordova10
javascript9
ionic9
swift9
css9
java9
angularjs9
android9
csv8
html8
api8
rest-api8
morphic8
api-client8
capacitor8
Programming languages (6)
Github contributions (5)
luke-schleicher/congress-tracker
Dec 2016 - Mar 2017
Contributions:45 commits, 30 pushes, 2 branches in 2 months
luke-schleicher/luke-schleicher.github.io
Jan 2017 - Oct 2022
Contributions:13 PRs, 43 pushes, 13 branches in 5 years 9 months
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