A working life.

Early engineer on GitHub Copilot, from research prototype to market leader, after a start on CodeQL.

• Scale: from technical preview ($0) to $300M+ ARR and 1.8M paid subscribers, the first generative AI product to cross $100M ARR
• Copilot Chat: founding engineer, shipping the first release with the VS Code team
• Context engine: architected and built Copilot Chat’s first, with its intent classifier
• Completion quality: A/B tests that lifted acceptance rate by 15%
• Inference cost: cut with smarter caching and debouncing of completion requests
• External contributors: managed the external contractors contributing to Copilot’s IDE plugins

TypeScript · Python · Go · Kotlin · Ruby on Rails · Azure

Core engineer on the Gradle Build Tool, on the team owning the JVM ecosystem.

• JVM toolchains: drove design to release in Gradle 6.7, now how builds pick a JDK
• Groovy 3: owned the upgrade across the Gradle DSL and core
• Backlog triage: initiated and led the process that cleared years of stale issues
• Team direction: design reviews and mentoring contributors on the JVM team

Java · Groovy · Kotlin

Led the SDK team, the platform up to six product and connector teams built on: Tasktop’s integration factory, connectors to 65+ third-party ALM tools.

• Platform team: the SDK that up to six product and connector teams depended on, under all four products
• Connector TCK: conceived, designed and built it, then hired the team that took it over
• Company growth: early engineer from 20 to 150 people, through the acquisition by Planview
• Eclipse Mylyn: committer, representing Tasktop in the Eclipse community

Java · OSGi · REST · Chef · Terraform · JavaScript

• Eclipse RAP: committer, single-sourcing RCP applications to the web
• Consulting: training and architecture reviews for OSGi, PDE Build and RAP customers

Java · OSGi · Eclipse RCP · JavaScript