Jake L. Muller Principal Software Engineer

Six cases, and the work behind them.

6 flagship systems where the decision was mine to make, followed by 10 more built independently. Each one is drawn rather than screenshotted, because a screenshot shows what a system looked like and a drawing shows how it worked.

Clinical

Systems that carry patient safety and survive external survey.

1 flagship
  1. 2022 Hand Hygiene Capture Real-time capture of hand hygiene events that moved a hospital-wide safety metric far enough to earn an external compliance designation. C# · ASP.NET MVC · MS SQL Server · JavaScript DNV Designation

Platform

Internal platforms that replaced software the hospital was renting.

3 flagship
  1. 2020 Policy & Procedure Management Document control for a hospital, with a transactional checkout that makes concurrent editing impossible rather than merely discouraged. C# · ASP.NET MVC · MS SQL Server · JavaScript 10,370 Documents
  2. 2021 On-Call Scheduling The hospital's on-call source of truth: 212 live lists, conflict detection, iCal feeds, and escalation that reaches a person. C# · ASP.NET MVC · MS SQL Server · JavaScript 212 Live lists
  3. 2025 Performance Evaluation Engine Digitised job descriptions, an automated scoring algorithm, and a Supervisor to HR to Executive approval matrix serving thousands of employees. C# · ASP.NET MVC · MS SQL Server · React 3 tiers Routing

Mobile

Native clients, built and then handed to a team I led.

1 flagship
  1. 2021 Garnet Health Mobile The hospital's public iOS and Android application, built solo and then handed to a team I led. Swift · Java · C# · MS SQL Server 5,250 Installs

Product

Fortune 500 delivery before healthcare.

1 flagship
  1. 2018 Live Platform Search and caching architecture for a Fortune 500 advertising platform, cutting average request time by over 68 percent. Node.js · PHP · SQL 450ms to 125ms Latency
Independent work Products, client delivery, and things built for people I know. 10
  1. 2025 Vendor Contract Management C# · ASP.NET MVC · MS SQL Server
  2. 2020 Digital Fax C# · ASP.NET MVC · MS SQL Server
  3. 2019 Enterprise Intranet C# · ASP.NET MVC · MS SQL Server
  4. 2019 Lowes SmartStuff Swift · Java · Node.js
  5. 2026 Let's Get Fitness PHP · MySQL · Kotlin
  6. 2021 Tree of Memories Video Platform PHP · MySQL · FFmpeg
  7. 2020 Tree of Memories PHP · MySQL · JavaScript
  8. 2020 Valley Bible Church PHP · MySQL · JavaScript
  9. 2019 T206 PHP · MySQL · JavaScript
  10. 2026 SealPro PHP · MySQL · JavaScript