GitHub is looking for a Staff Software Engineer to join the GitHub Enterprise Server team to lead the performance testing and analysis strategy for their enterprise offerings. This involves building frameworks, designing workloads, diagnosing bottlenecks, and ensuring releases scale with customer needs for self-hosted GitHub instances used in demanding enterprise environments.
Requirements
- 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, Go, Ruby, Rust, Python, JavaScript, C, C++, C-Sharp, Java,
- 4+ years of hands-on experience in performance engineering, systems performance analysis, or equivalent work in profiling, benchmarking, and tuning distributed systems.
- Experience developing in large scale Ruby projects.
- Proven ability to design experiments, interpret performance data, and drive systemic performance improvements.
- Experience with GitHub’s technology stack (MySQL, Redis, Queuing technologies, Datadog, Nomad, Haproxy, Rails).
- Knowledge of observability tools (Grafana, Prometheus, Splunk, VictoriaMetrics, VictoriaLogs, etc.).
- Demonstrated experience with large-scale system architecture and design, particularly in cloud-based environments, with a strong understanding of distributed systems and microservices.
Responsibilities
- Lead the design, development, and evolution of performance testing frameworks.
- Define, implement, and scale realistic workloads that capture customer usage patterns (e.g., Git, API, CI/CD).
- Profile and analyze performance across the full stack: application (Ruby, Go), database (MySQL), caching (Redis), job systems (Resque/Sidekiq), and orchestration layers (Nomad, containers).
- Partner with engineering teams to identify, reproduce, and resolve performance bottlenecks.
- Establish performance baselines and regression detection in CI/CD pipelines.
- Design experiments to evaluate system scalability, concurrency, and fault tolerance.
- Provide deep technical guidance and mentorship on performance methodology across the org.
Other
- Collaborate with cross-functional teams and partner with stakeholders and lead discussions for technical solutions, including design and cost considerations.
- Collaborate with support and reliability teams to reproduce customer workloads and drive fixes upstream.
- Author clear technical documentation and present findings to senior leadership and customers.
- Create and guide others in building a performance testing roadmap for Enterprise as a whole that includes defining success metrics and integrating customer feedback for continuous improvement.
- Customer-obsessed
- Ship to learn
- Growth mindset
- Own the outcome
- Better together
- Diverse and inclusive
