Hi, I'm Ilja

Builder,
maker, and commute optimizer.

I build tools that solve real problems. From iOS apps that make daily commutes effortless to data integration platforms that connect the world's systems. Based in the San Francisco Bay Area.

Ilja Herdt

Featured Project

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CalRun

CalRun

Live

A Caltrain schedule and commute companion for daily riders. Live train tracking on an interactive map, pinned routes with departure and arrival reminders, commute stats, and service alerts. Built with SwiftUI, MapKit, and real-time GTFS data.

SwiftSwiftUIMapKitStoreKit 2GTFSiOS


Recent Writing

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What I Work On

iOS Apps

Native Swift and SwiftUI apps with polished UX, from concept to App Store.

Data Integration

Connecting systems, building connectors, and making data flow where it needs to go.

Automation

Scripts, agents, and workflows that eliminate busywork and keep things moving.