Senior Software Engineer (Austin, TX)

Company: CloudFlare
Location: Austin
Posted on: May 3, 2025

Job Description:

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.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!Hiring will be focused on those residing within the greater Austin, TX metro area. It will be a hybrid role, with the expectation of 2 days per week in the office.About the RoleCloudflare'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 people 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 high-growth products, help scale our expanding network, build tools to improve availability, performance, uptime, and response times, and make systems failure-resistant and ready-to-scale.As a Distributed Systems Engineer at Cloudflare, you'll work on the code that runs close to the end user, runs at a massive scale, and is deployed to 250+ cities around the world.Examples of software systems at Cloudflare include:

• A TLS/HTTP proxy to make the connection from eyeball to edge as fast and secure as possible
• Filtering malicious traffic and handling good traffic according to customer configuration
• Content optimization that takes content served from customer sites and makes it more performant
• A platform that runs "serverless" Workers and provides a key value store
• A reverse-proxy system that caches customer website content according to customer configuration
• Optimization of connections from Cloudflare to our customers' origin servers to reduce their load and increase performance
• Our Authoritative DNS server and our public resolver 1.1.1.1.
• One of the biggest data pipelines in the world, operating at well over 25M events per secondWe operate some of the fastest, and most widely distributed services on the Internet. Your work will focus on building robust, secure, and high performance distributed systems. We are a small engineering team operating at a massive scale, so what you do will have a huge impact.Examples of desirable skills, knowledge and experience
  • Understanding at the protocol level, including the differences between what the specs say, and what actually happens on the Internet
  • Confidence to work in multiple programming languages - bonus points for Go and/or Rust
  • Experience (and love) for debugging to ensure the system works in all cases
  • Excited by the idea of optimizing complex solutions to general problems
  • Experience with a continuous integration workflow and using source control (we use git)
  • Good Unix knowledge, patches to Operating Systems a huge plus for some roles
  • Understanding of security issues and responsibilities
  • Experience with monitoring, alerting and debugging high volume production systems
  • Fluent in analyses of data sets such as logs
  • Designing and building APIsThis role may require flexibility to be on-call outside of standard working hours to address technical issues as needed.Cloudflare is proud to be an equal opportunity employer. We are committed to providing equal employment opportunity for all people and place great value in both diversity and 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.Apply for this job* indicates a required fieldFirst Name *Last Name *Email *Phone *Location (City) *Resume/CV *Legal Name (if different than above)Would you like to include your LinkedIn profile, personal website or blog?How did you hear about this job? *Do you now or will you in the future require immigration sponsorship to work at Cloudflare? * Select...Please review and acknowledge Cloudflare's Candidate Privacy Policy (cloudflare.com/candidate-privacy-notice/). *Do you currently reside in the Austin, TX metro area? * Select...
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Keywords: CloudFlare, San Marcos , Senior Software Engineer (Austin, TX), IT / Software / Systems , Austin, Texas