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Principal Software Engineer - GitHub Actions

Czech Republic, Multiple Locations, Multiple Locations💼 Full-time🗓 2026-09-11 → 2026-09-25

Core

Design, develop, test, and ship high-quality technical solutions that scale across multiple GitHub services, including CI/CD systems and APIs for seamless integration.

Role type

Principal Software Engineer (Infrastructure/Platform)

Builds

Scalable GitHub Actions services, APIs, and CI/CD systems

Domain

Developer Tools / Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Large-scale system architecture, distributed systems, microservices, technical leadership, hands-on coding, API design, testing strategies, security isolation mechanisms, operational excellence, technical roadmap planning

Preferred skills

Experience with C, C++, C#, Java, JavaScript, Python, Rust, Go, Ruby, Bash

Technologies

GitHub Actions, Cloud environments

Responsibilities

Design and implement APIs for software component integration; Champion security by designing isolation mechanisms for untrusted code execution; Lead comprehensive testing strategies and define success metrics; Improve system reliability and establish monitoring/alerting best practices; Provide technical leadership, mentorship, and code reviews; Participate in on-call rotations for live incidents

Seniority

Principal, hands-on IC with strategic leadership

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