
About Cloudflare
Empowering a secure and fast Internet for all
Key Highlights
- Public company (NYSE: NET) with a $4.4B valuation
- Over 3 million customers including Shopify & Discord
- Headquartered in San Francisco with a global presence
- $1B+ raised from investors like Franklin Templeton & Pelion Venture Partners
Cloudflare, Inc. is a leading web infrastructure and security company based in San Francisco, California. With over 3 million customers, including major brands like Shopify, Discord, and Udemy, Cloudflare offers a suite of services such as content delivery network (CDN), DDoS mitigation, and Interne...
π Benefits
Cloudflare offers competitive salaries, equity options, unlimited PTO, and a flexible remote work policy. Employees also benefit from a learning and d...
π Culture
Cloudflare fosters a culture of transparency and innovation, encouraging employees to take ownership of their projects. The company values diversity a...

Systems Engineer β’ Principal
Cloudflare β’ London - Hybrid
Skills & Technologies
Overview
Cloudflare is hiring a Principal Systems Engineer to lead the Inter-Process Communication team in building high-performance communication layers for their CDN services. You'll work in a hybrid environment based in London or Lisbon, focusing on enhancing the performance and security of Internet applications.
Job Description
Who you are
You have extensive experience in systems engineering, particularly in designing and maintaining high-performance communication systems. Your background includes working with distributed systems where performance and reliability are critical. You are a curious and empathetic individual who thrives in a collaborative environment, committed to continuous learning and development.
You possess a strong understanding of network protocols and have experience with CDN technologies. Your technical expertise allows you to troubleshoot complex issues effectively, ensuring seamless communication across systems. You value diversity and inclusion, recognizing that a variety of perspectives leads to better solutions.
Desirable
Experience with Cloudflare's technologies or similar platforms is a plus. Familiarity with performance optimization techniques and security best practices will set you apart. You are comfortable working in a hybrid model, balancing remote work with in-office collaboration.
What you'll do
As a Principal Systems Engineer at Cloudflare, you will lead the IPC team responsible for developing and maintaining the communication layer that connects various services within the CDN. Your role will involve designing scalable and efficient systems that enhance the performance of Internet applications. You will collaborate closely with cross-functional teams to identify and implement improvements that drive operational excellence.
You will be responsible for mentoring junior engineers, sharing your knowledge and expertise to foster their growth. Your insights will help shape the technical direction of the team, ensuring that best practices are followed in system design and implementation. You will also engage in performance monitoring and optimization, addressing any issues that arise to maintain high service availability.
In this role, you will have the opportunity to work on innovative projects that impact millions of users worldwide. You will contribute to Cloudflare's mission of building a better Internet by ensuring that their services are fast, secure, and reliable. Your work will directly influence the user experience for a diverse range of customers, from individual bloggers to Fortune 500 companies.
What we offer
Cloudflare provides a supportive and inclusive work environment where you can thrive. We offer competitive compensation and benefits, including opportunities for professional development and growth. You will be part of a team that values collaboration and innovation, working together to solve complex challenges in the tech industry. Join us in our mission to protect and accelerate Internet applications while making a positive impact on the world.
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