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CloudFlare // highly-available global networks
Engineering, Full Time    London    Posted: Wednesday, June 12, 2019
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About Us

At Cloudflare, we have our eyes set on an ambitious goal: to help build a better Internet. Today the company runs one of the worlds largest networks that powers more than 10 trillion requests per month. Cloudflare protects & accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare have all web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance & a decrease in spam & other attacks. Cloudflare was recognized by the World Economic Forum as a Technology Pioneer & named to Entrepreneur Magazines Top Company Cultures list.

We realize people do not fit into neat boxes. We are looking for curious & empathetic individuals who are committed to developing themselves & learning new skills, & we are ready to help you do that. We cannot complete our mission without building a diverse & inclusive team. We hire the best people based on an evaluation of their potential & support them throughout their time at Cloudflare. Come join us!

About the team

We are a team of software engineers writing & running big critical distributed systems. When we deploy, we deploy on thousands of servers across almost 200 data centres all around the globe.

We have recently moved to Kubernetes & we need help to push forward our automation & orchestration of our systems.

We believe solid automation & testing increases productivity & make engineers happy. We already have automation, CI pipelines & testing in place but we are looking for somebody to help us drive more projects on this area.

You will work on helping us improve our automation, tooling & replacing some of it with better technology. There is also the opportunity to help us writing Go for our distributed systems.

What you'll do

Quicksilver is Cloudflares replicated key-value store. It replicates our data all around the world, over thousands & thousands of servers & around 200 data centers. It handles all kinds of network conditions & is queried multiple times whenever a request crosses our network.

In this role, you can expect to work on automation & orchestration systems that deploy across thousands of physical servers. Systems that decide how the replication topology should be across our services. CI pipelines that allow us to deploy with confidence changes that affect immediately mission critical systems. Monitoring systems that allow us early detection of symptoms caused by performance & integrity degradation on our replicated database. We use a variety of tools, some integrated with the company platform, some other are team specific which are required to connect & run all these systems as smoothly as possible.

You will contribute directly on our orchestration, deployment & rollback plans, automation, operation, monitoring, alerting & troubleshooting. If working on non-trivial engineering problems to achieve reliability at scale excites you, you might be a match for this role.

Examples of desirable skills, knowledge & experience

  • We look for people with experience on Python & Go that feels comfortable working on Linux systems.
  • You know what it means reproducible builds, immutable infrastructure & good observability. We aim for that.
  • Our tooling is based on: Kubernetes, Helm, Docker, Prometheus, Salt, Debian, Git, Python & Go.
  • You have exposure to containerization/clustering technology & you will help us to improve our architecture.
  • You believe that single point of failure are a thing from the past.
  • We are open to all levels of experience, from junior to senior. We look for curiosity & creativity with a compromise on pragmatism.

What Makes Cloudflare Special?

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

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

Project Athenian: We created Athenian Project to ensure that state & local governments have the highest level of protection & reliability for free, so that their constituents have access to election information & 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 & privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Heres the deal - we dont store client IP addresses never, ever. We will continue to abide by our privacy policy & ensure that no user data is sold to advertisers or used to target consumers.

Sound like something youd like to be a part of? Wed love to hear from you!

Cloudflare is proud to be an equal opportunity employer. We are committed to providing equal employment opportunity for all people & place great value in both diversity & 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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