Software Engineer, Application Performance

Cloudflare
HybridPosted 24 February 2026

Job Description

<div class="content-intro"><div><strong>About Us</strong></div> <div> <p>At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other 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. </p> <p><span style="font-weight: 400;">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! </span></p> </div></div><p><strong>Software Engineer, All Levels <br>(Hybrid)</strong></p> <p><strong>Hiring Process Cloudflare's </strong><a href="https://www.cloudflare.com/application-services/solutions/"><strong>Application Performance</strong></a><strong> Engineering Teams</strong></p> <p>If you are obsessed with making the Internet faster, safer and more reliable for everyone, but are unsure about which team to apply for, this role will give you the best opportunity to match with a Software Engineering team that is most aligned to your experience, skill, and ambition. We've created a hiring process designed to find top tier candidates passionate about improving web and software application performance and help them find the best team fit for them at Cloudflare. At the end of the hiring process you will have the opportunity to meet with one or more teams to find out if they are the best team match, but if you discover during the interview process that a particular team is the most interesting to you let us know.</p> <p><strong>About Engineering at Cloudflare</strong></p> <p>Cloudflare’s Engineers build and operate the software that helps power 25+ million Internet properties and millions of businesses around the world. Across our engineering organizations, we have opportunities for high caliber, curious and empathetic technology enthusiasts to take on big challenges and build some of the best skills in the industry. We’re looking for talented team members to help build and quickly iterate on high-growth products, scale our expanding network, build tools to improve availability, performance, uptime, and response times, and make systems fault-tolerant and elastic.</p> <p>Cloudflare’s network is a massively distributed system spanning more than 300 cities in over 125 countries, including 35 cities in Mainland China and interconnects with approximately 13,000 networks globally with a mission to make the Internet better, safer, and more powerful every day. As a Software Engineer at Cloudflare, you’ll work on the code that runs close to the end user at Internet scale.</p> <p><strong>Examples of software systems at Cloudflare:</strong></p> <ul> <li>A TLS/HTTP proxy to make the connection from eyeball to edge as fast and secure as possible</li> <li>Content optimization that takes content served from customer sites and makes it more performant</li> <li>A reverse-proxy system that caches customer website content according to customer configuration</li> <li>Optimization of connections from Cloudflare to our customers' origin servers to reduce their load and increase performance</li> <li>Data Science diving deep into ... (truncated, view full listing at source)