Douglas Crossley

About Douglas Crossley

Experienced Software Engineering Leader with a passion for building great product software across hardware and mobile. I\'ve worked in million line code bases at a large public company, started a codebase from scratch as the first engineer, and scaled a codebase as the tech lead from pre-ipo to a multi-billion dollar public company.In the past I\'ve been a full stack front end engineer writing JavaScript every day before transitioning to building Android applications that run on and control the June Intelligent Oven and Peloton connected fitness hardware products.At Peloton I moved into leadership building out a team of 25+ engineers responsible for the Android mobile (Fire and Play Store), TV (Fire and Play Store), and wearable platforms. In parallel I created the Mobile DevEx team to overhaul our CI and build infrastructure and modernize our UI and data layer technologies.Today I lead the Client Platform teams owning the mobile platform infrastructure for Duolingo.Technologies: Apollo GraphQL, REST, Jetpack Compose, Kotlin Coroutines, Gradle, Retrofit and OkHTTP, Espresso, Dagger2, Perfetto, Github Actions

Experience

1. Engineering Leader, Client Infrastructure and Platform

   Duolingo

   Dec 2024 — Present · New York, NY, US

Education

• University of Nevada, Reno

  Computer Science Engineering, Math, Digital Interactive Games, Information Systems

  2006 — 2010

Skills

• Javascript
• Java
• Dojo
• Software Engineering
• Soa
• Jsp
• Web Development
• Spring
• Html
• Mvc Architecture
• Html + Css
• Sass
• Compass
• Restful Webservices
• Android
• Scrum