Software Engineer, Distributed Systems

Cloudflare ,
London, Greater London
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Job Description

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 world's largest networks that powers trillions of requests per month. Cloudflare protects and 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 and a decrease in spam and other attacks. Cloudflare was recognized by the World Economic Forum as a Technology Pioneer and named to Entrepreneur Magazine's Top Company Cultures list. We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new skills, and we are ready to help you do that. We cannot complete our mission without building a diverse and inclusive team. We hire the best people based on an evaluation of their potential and support them throughout their time at Cloudflare. Come join us! About the Department We also build and run the internal tools that builds and runs our software. The Engineering Team is split into two groups: one handles product development and the other handles operations. Product development covers both new features and functionality and scaling our existing software to meet the challenges of a massively growing customer base. The operations team handles one of the world's largest networks with data centers in 102 cities worldwide. What you'll do Quicksilver is Cloudflare's replicated key-value store. It replicates our data all around the world, over thousands and thousands of servers and over 120 data centers. It handles all kinds of network conditions and is queried multiple times whenever a request crosses our network.In this role, you can expect to seechallenges like unexpected network issues, hardware failures, kernel bugs and still have to deliver the data to the edge in a fast and reliable way. Along with the rest of the team,you will own and support the whole stack: the code base, the unit and integration test, deployment and rollback plans, operations, monitoring, alerting and debugging.Quicksilver is written in Go and C for the storage engine, uses protobuf and our clusters have to deal with an average of 10 million read requests a second.If working at this scale excites you and you are intrigued by very tricky bugs, rather than being scared by them, you might be a match for this role. Examples of desirable skills, knowledge and experience * You are someone who is comfortable chasing problems through multiple layers of our software stack.You can be flexible and you are very curious. * You are flexible and very autonomous. You won't be micromanaged in this role and will be looked to for thinking out of the box and coming up with simple and smart design for complex issues. * You care about writing robust systems, code quality, performance and technical debt. You understand the trade offs that doing rigorous engineering requires. * You have a passion for storage systems, peer to peer systems, distributed systems or simply system programming in general. * You are pragmatic and believe in the value of design elegance -- a simple solution is often better than a more complex one. * You equally enjoy low-level and high-level programming. You have a taste for programming languages. * You enjoy being a part of a team that critiques each others' designs -- you are good at taking and giving constructive criticism with a goal of producing the best solution. * If you enjoyed what you have read so far, this is the time for you to apply! What Makes Us 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. Project Athenian : 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. 1.1.1.1 : We released 1.1.1.1 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 -

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