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Software Engineer, Fleet Reliability and Performance

Backend, Engineering
in Aarhus, Denmark

About the Role

We build the foundation for all of Uber’s fleet of 100,000s of hosts or VMs by ensuring they are running reliably and are configured optimally for the container platforms using the hosts. We observe and detect a broad range of reliability and quality problems through codified processes and automatically drive remediation.

We run generically across bare metal hosts and VMs and across our own on-prem data centers and multiple cloud vendors, and closely collaborate to develop integrations that ensure effective and automated management.

Internally we integrate with Uber’s stateful and stateless container scheduling platforms to run host operations in a safe and efficient way and use this to realize remediation of bad hosts or apply fleet-wide upgrades such as rolling out a new kernel.

We maintain the base OS image and handle kernel upgrades and configuration and provide high-fidelity host and container metrics to ensure secure and optimal performance for the workloads on the hosts.

Our team consists of a healthy combination of both junior and senior engineers with an array of experiences across the industry. We value ideas over hierarchy, always improving, getting things done through code, and having a measurable impact on the business.

What You Will Do

You will improve your software engineering, systems engineering, hardware/Linux OS/kernel knowledge, cloud knowledge, and infrastructure systems experience to investigate and decipher ambiguous problems in our production fleet while also contributing to planning, new systems design, and improvement of existing systems to enable even greater efficiency and insight.

  • Contribute to planning, design and architecture, and building of systems, tooling, and observability in support of production server fleet reliability, and cloud expansion efforts
  • Low-level debugging into host-level issues and generalization of detection
  • Actively drive collaboration across multiple teams to build alignment and progress.
  • Implement solutions in Go with a strong focus on clean, readable code with unit and integration test coverage.
  • Take an active part in code change peer reviews to ensure quality and cross functionality sharing across the team.
  • Contribute to engineering culture in terms of quality, monitoring, and on-call practices.
  • Own part of the team’s charter and through that help setting longer-term direction for the team.

Basic Qualifications

  • 2+ years of experience
  • BS, MS, or Ph.D. degree in computer science, similar technical field of study, or equivalent practical experience
  • Background in multiple programming languages, e.g., C/C++, Python, Go, etc.
  • Strong hands-on experience with Linux investigating and debugging performance problems
  • An inherent goal to collaborate, both within the team and across the organization
  • Excellent written and verbal communication skills, and the ability to write detailed design documents, post mortems
  • A belief that your team can accomplish more together than as separate individuals
  • Attention to detail, particularly around software engineering fundamentals, testing methodologies, and quality

Preferred Qualifications

  • Experience with the cloud and migration to the cloud is a plus
  • Strong understanding of Linux kernel internals, e.g., ability to read and understand kernel code.
  • Experience in Linux kernelization, hardware performance evaluation, tuning, and debugging.
  • An understanding of server hardware at scale: data center network fundamentals, OS imaging, provisioning, distribution, and configuration deployment at a large scale
  • Experience with large distributed systems.
  • Experience with containerization software such as Kubernetes, Docker, and Mesos.
  • Comfortable working with on-prem and cloud-based infrastructure (AWS, GCP).

At Uber, we rethink the way the world moves for the better. The idea was born on a snowy night in Paris in 2008, and ever since then, our DNA of reimagination and reinvention carries on. We’ve grown into a global platform moving people and things in ever-expanding ways, undertaking big problems to help drivers, riders, delivery clients, and eaters make movement happen at the push of a button for everyone, everywhere.

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, emotion, and collaborative spirit, work with us, and let’s move the world forward, together.

Uber is proud to be an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you are disabled or have a special need that requires accommodation, please let us know by completing this form.

Offices continue to be central to collaboration and Uber’s cultural identity. Unless formally approved to work fully remotely, Uber expects employees to spend no less than 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 the office for 100% of their time. Please speak with your recruiter to better understand in-office expectations for this role.

Uber is committed to a safe workplace. We have implemented COVID-19 safety protocols that meet or exceed local public health guidelines. Workplace safety remains our number one priority. As a result, Uber recommends all US- and Canada-based employees are vaccinated in order to access any of our facilities; this is subject to change solely at the Company’s discretion.

At Uber, we reimagine the way the world moves for the better. The idea was born on a snowy night in Paris in 2008, and ever since then, our DNA of reimagination and reinvention carries on. We’ve grown into a global platform moving people and things in ever-expanding ways, taking on big problems to help drivers, riders, delivery partners, and eaters make movement happen at the push of a button for everyone, everywhere.

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.

Uber is committed to a safe workplace.  We have implemented COVID-19 safety protocols that meet or exceed local public health guidelines.  Workplace safety remains our number one priority.  As a result, and depending on the workplace location, Uber either requires* or recommends employees be vaccinated to access any of our facilities; this is subject to change solely at the Company’s discretion.

\* Accommodations may be available based on religious and/or medical conditions, or as required by applicable law. To request an accommodation, please reach out to accommodations@uber.com.


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Uber is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, Veteran Status, or any other characteristic protected by law.