JoelDenke

Engineering the Android platform behind music for 600 million+ listeners worldwide. Contributing to large-scale systems, performance, and architecture across one of the world’s most-used apps.

Part of a greenfield initiative on Truecaller’s global caller ID platform — Jetpack Compose from day one, clean architecture at scale, and rapid feature delivery in a fully remote setup.

Architected multiple white-label gaming apps from scratch. Built end-to-end CI/CD pipelines, a shared design system adopted across products, and mentored a growing Android team.

Full BT, NFC and USB hardware stack. Deep native work via NDK/JNI in C++ for medical device connectivity. Built real-time sensor data sync for Dexcom and Medtronic devices.

Led Android architecture at Sweden’s leading digital mailbox service — payments, content delivery, and Compose migration. Drove GraphQL adoption, CI/CD with GitHub Actions, and grew the Android team through recruitment.

Shipped features across SBAB’s consumer banking app covering savings, mortgages, and insurance. Served as security lead for the Android codebase and drove recruitment alongside feature delivery.

Built Avanza’s Android app from scratch. Among the first in Sweden to adopt Kotlin and Material Design. Led hiring, migrated the entire codebase, achieved top Play Store ratings. Stocks, funds, dividends, loans, payments.