Software Engineer, Unimog

 Published 7 days ago
 Germany, Portugal
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Available Locations: UK, Portugal, Germany or Netherlands

About the team

We are a team of software engineers who build distributed systems critical to keeping Cloudflare’s network operating smoothly and efficiently.

We work with the latest Linux network technologies and low-level details of network protocols. But we're also responsible for sophisticated automated control systems.  The code we write runs on thousands of servers in hundreds of data centres around the world.

As the scale of Cloudflare's network and the variety of services we offer continue to grow, so do the challenges we tackle.

What you'll do

You’ll participate in the ongoing development of a load distribution system that works at the scale of Cloudflare’s edge network. Millions of users and customers depend upon this system every hour of every day, even if it isn’t visible to them. You’ll take on challenging projects that require focus and determination, pragmatism and innovation, and careful consideration of risk. You’ll get to know the details of Cloudflare’s software and hardware infrastructure in order to design software that behaves well even when failures occur. You’ll collaborate with engineers across the company, from operations teams to the teams that build our customer-facing products. You’ll inspect the production behaviour of our systems, to check that they are working as intended and spot opportunities for improvement. You’ll be part of the on-call rota for the occasional cases when our operations teams need to escalate problems.  

What we are looking for

We are looking for smart, innovative team players that have broad experience covering some or all of Linux kernel network stack development (particularly eBPF), complex distributed systems written in Go, understanding of Internet protocols and technologies like IP, TCP, UDP, QUIC, DNS, HTTPS, BGP - and the curiosity to learn more about these things. You will be in a team that questions everything to get to the most appropriate solution in a timely manner.

People who excel in this role:

  • Willing to write code in Go.
  • Relish opportunities to dive into new technologies, and a demonstrated ability to do so.
  • Awareness of networking concepts down to layer 2.
  • Commitment to high code quality standards, both individually and working as part of a team.
  • Comfortable understanding and working with complex distributed systems.
  • Understanding of techniques to manage risk when evolving critical systems.
  • Excellent communicator and team player.

Bonus Points: 

Skills the role requires; we’re happy to help you learn on the job, but prior experience is beneficial

  • Experience with Linux kernel network stack development (eBPF).
  • Solid understanding of routing protocols, particularly BGP

What Makes Cloudflare Special?

We’re not just a highly ambitious, large-scale technology company. We’re a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.

Project Galileo: We equip politically and artistically important organizations and journalists with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare’s enterprise customers--at no cost.

Athenian Project: We created Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free, so that their constituents have access to election information and voter registration.

Path Forward Partnership: Since 2016, we have partnered with Path Forward, a nonprofit organization, to create 16-week positions for mid-career professionals who want to get back to the workplace after taking time off to care for a child, parent, or loved one. We released to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Here’s the deal - we don’t store client IP addresses never, ever. We will continue to abide by our privacy commitment and ensure that no user data is sold to advertisers or used to target consumers.

Sound like something you’d like to be a part of? We’d love to hear from you!

This position may require access to information protected under U.S. export control laws, including the U.S. Export Administration Regulations. Please note that any offer of employment may be conditioned on your authorization to receive software or technology controlled under these U.S. export laws without sponsorship for an export license.

Cloudflare is proud to be an equal opportunity employer.  We are committed to providing equal employment opportunity for all people and place great value in both diversity and inclusiveness.  All qualified applicants will be considered for employment without regard to their, or any other person's, perceived or actual race, color, religion, sex, gender, gender identity, gender expression, sexual orientation, national origin, ancestry, citizenship, age, physical or mental disability, medical condition, family care status, or any other basis protected by law. We are an AA/Veterans/Disabled Employer.

Cloudflare provides reasonable accommodations to qualified individuals with disabilities.  Please tell us if you require a reasonable accommodation to apply for a job. Examples of reasonable accommodations include, but are not limited to, changing the application process, providing documents in an alternate format, using a sign language interpreter, or using specialized equipment.  If you require a reasonable accommodation to apply for a job, please contact us via e-mail at or via mail at 101 Townsend St. San Francisco, CA 94107.

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