Software Engineer - Spectrum and Protocols Team
Cloudflare
Lisbon, Portugal
há 6 dias

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 approximately 25 million Internet properties, for customers ranging from individual bloggers to SMBs to Fortune 500 companies.

Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code.

Internet properties powered by Cloudflare all have 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 named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.

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!

We are looking for a talented Software Engineer to join our team. You will work closely with system engineers to overhaul TCP / IP and QUIC, design server-side network cognizant software, and implement novel solutions for networking performance.

You get excited about working on tough problems and love the satisfaction when you find a solution.

Examples of desirable skills, knowledge and experience

  • Solid competencies in practical computer science, applying the right algorithms, data structures, concurrency control systems to software design, and building large, distributed systems
  • Proven experience in running high performance and enterprise scale services at pace and at scale whilst maintaining operational stability
  • Experience of working with Product teams to balance technical agenda, operation of existing systems and new product development
  • Experience of analysing and communicating complex technical requirements and concepts, identify the highest priority areas, and carve a path to deliver
  • Driving communication and consensus across teams
  • Experience implementing tools, process, internal instrumentation, methodologies and resolving blockages
  • A drive for continuous improvement when it comes to both operations and new product development
  • Experience with systems / networking level C programming
  • Strong Unix / Linux systems level programming and troubleshooting skills
  • Deep knowledge of web servers (we are currently using NGINX) OR web and Layer 4-7 protocols (http, tcp, udp, quic)
  • Bonus Points

    These are things which the role is likely to require; we’re happy to help you learn on the job, but prior experience is beneficial

  • Experience of languages : Lua, Python, Rust, Go
  • Experience of userland networking stack
  • Understanding of congestion control at transport layer
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