Principal Software Engineer, Front End Web UI Platform

GitHub is the world’s leading platform for agentic software development, and they are seeking a Principal Software Engineer for their Front End Web UI Platform. The role involves setting the technical direction for GitHub's web UI platform, focusing on performance, accessibility, consistency, and availability while collaborating across teams to enhance the frontend architecture.

Responsibilities:

• Own the technical direction for GitHub's web UI platform across performance, accessibility, consistency, and availability, balancing long-term architecture with hands-on execution
• Drive large cross-team initiatives and migrations, sequencing the work so the platform moves forward without disrupting active product development
• Establish patterns, standards, and paved paths for frontend development that lower cognitive load and scale across many teams
• Produce architecture and design proposals, evaluate tradeoffs honestly, and build alignment across engineering, product, and design
• Mentor and raise the bar for engineers at every level through design review, code review, and pairing
• Represent frontend platform priorities to leadership, securing the support and resourcing needed to deliver