Sr Staff Engineer, Core Infrastructure

About the Role

The Uber Infrastructure team in Aarhus is at the forefront of building and scaling mission-critical systems that power Uber’s global platform. We focus on improving quality, security, modernization, and efficiency across Uber’s backend infrastructure. Our work spans safe deployment, encryption, Kubernetes adoption, workload automation, autoscaling, and ARM migration. As a Senior Staff Engineer, you will architect and drive large-scale backend systems, improve developer efficiency and resilience, and shape the next generation of Uber’s infrastructure through cutting-edge technologies and scalable engineering practices.

What the Candidate Will Do

• Architect and evolve backend infrastructure to support Uber’s growing workloads, including deployment engines, autoscalers, and hybrid cloud environments.
• Lead safe deployment and rollback automation across stateless, stateful, and batch workloads, improving resilience and developer efficiency.
• Improve infrastructure security and compliance, including encryption-at-rest, ransomware mitigation, and cloud security best practices.
• Advance Uber’s modernization efforts, including Kubernetes migration, unified workload platforms, and PaaS improvements.
• Optimize Uber’s infrastructure efficiency, focusing on ARM adoption, autoscaling enhancements, and cost-effective compute allocation.
• Mentor engineers and drive technical strategy, ensuring Uber’s backend infrastructure remains cutting-edge, reliable, and scalable.

Basic Qualifications

• 10+ years of experience in backend software development with distributed systems, infrastructure, or cloud platforms.
• Strong expertise in Go, Java, or similar backend languages, with a deep understanding of Kubernetes, cloud infrastructure, and high-scale systems.
• Experience driving large-scale system modernization, performance optimizations, and deployment safety improvements.

Preferred Qualifications

• Experience designing and implementing highly available, efficient, and secure cloud-native architectures.
• Deep understanding of safe deployment strategies, workload automation, and resilience engineering.
• Proven expertise in scaling autoscaling solutions, ARM adoption, hybrid cloud, or GPU support for ML workloads.
• Ability to lead large technical initiatives and drive cross-team collaboration across platform, security, and infrastructure teams.

If You Want to Find Out More

For a deeper dive into some of the technologies and infrastructure innovations at Uber, check out the following resources:

• CPU Scaling: Vertical CPU Scaling – https://www.uber.com/en-SE/blog/vertical-cpu-scaling
• CPU Throttling: Avoiding CPU Throttling in a Containerized Environment – https://eng.uber.com/avoiding-cpu-throttling-in-a-containerized-environment/
• uBuild: Fast and Safe Building of Thousands of Container Images – https://www.uber.com/en-US/blog/ubuild-fast-and-safe-building-of-thousands-of-container-images
• Cinnamon:
• Using Century-Old Tech to Build a Mean Load Shedder – https://www.uber.com/en-SE/blog/cinnamon-using-century-old-tech-to-build-a-mean-load-shedder
• PID Controller for Cinnamon – https://www.uber.com/en-SE/blog/pid-controller-for-cinnamon
• Cinnamon Auto-Tuner: Adaptive Concurrency in the Wild – https://www.uber.com/en-SE/blog/cinnamon-auto-tuner-adaptive-concurrency-in-the-wild
• Unified Config: How We Unified Configuration Distribution Across Systems at Uber – https://www.uber.com/en-DK/blog/how-we-unified-configuration-distribution-across-systems-at-uber/
• Up: Portable Microservices Ready for the Cloud – https://www.uber.com/en-DK/blog/up-portable-microservices-ready-for-the-cloud/
• Continuous Deployment (CD): Continuous Deployment at Uber – https://www.uber.com/en-SE/blog/continuous-deployment
• Odin:
• Stateful Platform – https://www.uber.com/en-SE/blog/odin-stateful-platform/
• The Accounter – https://www.uber.com/en-SE/blog/the-accounter
• INCA: Deduping and Storing Images at Uber Eats – https://www.uber.com/en-SE/blog/deduping-and-storing-images-at-uber-eats/
• ARM:
• Adopting ARM at Scale: Bootstrapping Infrastructure – https://www.uber.com/en-SE/blog/adopting-arm-at-scale-bootstrapping-infrastructure
• Adopting ARM at Scale: Transitioning to a Multi-Architecture Environment – https://www.uber.com/en-SE/blog/adopting-arm-at-scale-transitioning-to-a-multi-architecture-environment

We welcome people from all backgrounds who seek the opportunity to help build a future where everyone and everything can move independently. If you have the curiosity, passion, and collaborative spirit, work with us, and let’s move the world forward, together.

Offices continue to be central to collaboration and Uber’s cultural identity. Unless formally approved to work fully remotely, Uber expects employees to spend at least half of their work time in their assigned office. For certain roles, such as those based at green-light hubs, employees are expected to be in-office for 100% of their time. Please speak with your recruiter to better understand in-office expectations for this role.

Basic Qualifications

• 10+ years of experience in backend software development with distributed systems, infrastructure, or cloud platforms.
• Strong expertise in Go, Java, or similar backend languages, with a deep understanding of Kubernetes, cloud infrastructure, and high-scale systems.
• Experience driving large-scale system modernization, performance optimizations, and deployment safety improvements.

Nice to have:

• Experience with building platforms, platform engineering, and deployment systems is a plus
• Experience with large scale, data intensive applications is a plus.
• Experience working with k8s, operators is a plus.
• Go is our primary coding language. We think Java/Rust/C++ is acceptable and transferable.