Principal Software Engineer-DX

GitHub is the world’s leading platform for agentic software development, and they are seeking a Principal Software Engineer to join the DX team. In this leadership role, you will drive system architecture, mentor engineering teams, and deliver innovative solutions to enhance GitHub's products and services.

Responsibilities:

• Lead and influence system architecture design for complex products and solutions, ensuring they meet security, compliance, and performance requirements
• Establish and mentor best practices for testing, performance tuning, and code quality, defining success metrics and ensuring maintainability across dependencies
• Provide technical leadership during code reviews to ensure reliability, scalability, and alignment with product goals
• Partner with product managers and technical leads to define service requirements and incorporate feedback into future designs
• Act as an expert in debugging tools and methods, leading proactive and reactive development to resolve issues across teams
• Optimize deployments and runtime performance to meet business objectives, ensuring safe rollouts aligned with GitHub’s standards
• Drive improvements in development quality and team performance through tooling, automation, and knowledge sharing
• Lead product refinement through telemetry analysis, performance metrics, and experimentation frameworks to inform engineering decisions
• Develop strategies to identify and mitigate technical risks, including frameworks for risk assessment and contingency planning
• Shape the strategic vision for technology and product development, identifying opportunities for innovation and leading initiatives aligned with GitHub’s long-term goals

Requirements:

• 11+ years' experience in Software Engineering, Computer Science, or related technical discipline with proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, Ruby, Rust, or Python, OR Associate's Degree in Computer Science, Electrical Engineering, Electronics Engineering, Math, Physics, Computer Engineering, Computer Science, or related field AND 10+ years' experience in Software Engineering, Computer Science, or related technical discipline with proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, Ruby, Rust, or Python, OR Bachelor's Degree in Computer Science or related field AND 9+ years' experience in Software Engineering, Computer Science, or related technical discipline with proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, Ruby, Rust, or Python, OR Master's Degree in Computer Science, Electrical Engineering, Electronics Engineering, Math, Physics, Computer Engineering, Computer Science, or related field AND 7+ years' experience in Software Engineering, Computer Science, or related technical discipline with proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, Ruby, Rust, or Python, OR Doctorate in Computer Science, Electrical Engineering, Electronics Engineering, Math, Physics, Computer Engineering, Computer Science, or related field AND 5+ years' experience in Software Engineering, Computer Science, or related technical discipline with proven experience maintaining and delivering production software coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, Ruby, Rust, or Python, OR equivalent experience
• Enterprise experience contributing technical solutions to high throughput services in production environments, such as systems profiling tools and distributed systems performance tuning
• Experience in AKS and Azure management services
• Proven experience designing and operating high-throughput cloud-native distributed systems in production environments
• Deep understanding of performance profiling, observability, and telemetry-driven optimization, especially in Go or similar languages
• Experience driving cross-functional projects in close partnership with product management, design, and engineering teams
• Strong communication and leadership skills, with a track record of mentoring senior engineers and influencing engineering culture