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Software Engineer, Testing at Scale Org

Cloudflare
Full TimemidHybrid
HybridPosted February 6, 2026

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Job Description

About Us

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! 

Available Locations: Austin, TX

About the Department

Cloudflare’s engineering teams build and maintain the systems and products that power our global platform. A global platform which is within approximately 50 milliseconds of about 95% of the Internet connected population, serving on average, over 46 million HTTP requests per second.

About the Team

Cloudflare engineering delivers code to production at a tremendous pace, and depends on automated testing to do so without incidents. The Testing at Scale team builds and runs tooling for other engineering teams, to allow them to write tests that verify the interactions between systems and products in production at huge scale.



What are we looking for?

We are looking for highly motivated software engineers to join our Testing at Scale Organization.  You’ll have a strong programming background with a deep understanding and experience developing and maintaining  distributed systems. You’ll need to be able to communicate effectively with engineers across the company to understand the behaviours of our systems and products in order to deliver tooling to meet their testing needs. You will also work closely with product managers to support our public facing synthetic testing and load testing products for enterprise customers.

Desirable skills, knowledge and experience

  • Proven track record as a software engineer or similar role.
  • Programming experience with one of the following languages. Go or Rust. 
  • Experience designing, implementing and maintaining secure and highly-available distributed systems
  • Ability to develop, document and execute test and SLO plans, test cases and test scripts to verify systems continue to operate as expected
  • Create and maintain production testing infrastructure and availability reporting 
  • Collaborate with cross-functional engineering teams to understand how their systems function and interact with other Cloudflare systems
  • Help drive continued improvements in the software development testing processes
  • Be a good communicator, provide clear and concise feedback to engineering and product teams
  • Experience with measuring uptime metrics like correctness, availability & latency SLOs/SLIs 

Nice to have skills

  • Experience working with synthetic traffic & load testing tools
  • Experience working with Clickhouse, GraphQL, Postgres
  • Experience working with data pipelines with a focus on reliability and scale

Equity

This role is eligible to participate in Cloudflare’s equity plan.

Benefits

Cloudflare offers a complete package of benefits and programs to support you and your family.  Our benefits programs can help you pay health care expense

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