A note on Hiking
Living in California is a privilege in many ways, and having so many beautiful places to hike nearby is one of them.
Read more →Backend engineer London → the Bay Area
Swapnil Chauhan
I build backends for a living and programming languages for fun. Rust, Go, and whatever else is worth learning next.
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I write sometimes
Browse all posts →Lessons from three years as a software engineer in London
After three years as a software engineer in London, I have learnt that the job is about much more than writing code. Now, I am leaving for the San Francisco Bay Area to start a Master's in Engineering Management.
Read more →The AI Codebase
AI makes it easier than ever to add code quickly. But I keep wondering what happens when nobody truly understands what has been added.
Read more →Things I’ve built
All projects →Orion
A running app for iOS, built on Apple Health.
Orion reads your runs straight from HealthKit and turns them into routes, splits, streaks, records, and training analytics — VO₂max trends, training load, heart rate zones, cadence, and a map that renders where you run as a heat corridor. Everything is computed and stored on the device.
- Swift
- SwiftUI
- SwiftData
- iOS
- HealthKit
VidPress
A video library viewer and compression app for iOS
A vibe coded iOS app built over a couple of day. It’s a video library viewer which allows compression of videos without losing metadata. Built to help clean up space in iPhone.
- iOS
- Video Compression
Lox Playground
A browser playground for an interpreter I built after reading Crafting Interpreters.
An online REPL for my Java implementation of Lox, with an in-browser editor, runnable examples, and built-in language docs.
- Java
- Interpreters
- NodeJS
- Programming Languages