CareerPlanSign in

Principal Software Engineer - GitHub Platform & Enterprise

United States, California, Mountain View💼 Full-time🗓 2026-08-06 → 2026-09-26

Core

Design, develop, test, and ship high-quality, scalable technical solutions for GitHub services, with a focus on security, operational excellence, and system reliability.

Role type

Principal Software Engineer (Platform & Enterprise)

Builds

GitHub services, specifically GitHub Actions and enterprise platform components

Domain

Developer Tools / CI/CD / Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

C, C++, C#, Java, JavaScript, Python, Go, Ruby, Bash, API design, security isolation mechanisms, on-call incident response, technical leadership, testing strategy definition, system reliability engineering, cross-functional collaboration

Preferred skills

Experience with large-scale backend or full-stack services, CI/CD or orchestration systems at scale, adoption of new technologies and methodologies

Technologies

GitHub Actions, C, C++, C#, Java, JavaScript, Python, Go, Ruby, Bash

Responsibilities

Design and implement APIs for seamless software component integration; Champion security by designing isolation mechanisms for untrusted code execution; Improve system reliability and reduce incident response times; Lead the team in developing comprehensive testing strategies; Drive technical roadmap alignment with product goals; Provide technical leadership, mentorship, and code reviews

Seniority

Principal, hands-on IC with strategic leadership

Sourced via microsoft · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.