senior software engineer · github copilot code review

Tom McPhail

Distributed systems + AI developer tools at scale. Polyglot.

github linkedin bluesky

selected work

Some things I've helped build.

GitHub ai / developer tools / code review

Copilot Code Review

AI-powered code review for pull requests.

2025–2026
GitHub ai / backend / developer tools

GitHub Copilot

Systems backing AI code completion, chat, and agentic tools.

2024–2025
GitHub orchestration / infrastructure / release engineering

GitHub Enterprise Server

Orchestration systems for self-hosted GitHub.

2021–2024
Apple infrastructure / privacy / distributed systems

Apple Private Cloud Compute

Privacy-preserving AI infrastructure for Apple devices.

2015–2021

notes

Musings to the void about software and building it.