Cloudflare Software Engineer
We are on a mission to help build a better Internet. Our 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.
Our network 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 our 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. We were named to Entrepreneur Magazine's Top Company Cultures list and ranked among the World's Most Innovative Companies by Fast Company.
Job Description
• Designing and building APIs
• Confidence to work in multiple programming languages - bonus points for Go and/or Rust
• Understanding systems at the network protocol level, including the differences between what the specs say, and what actually happens on the Internet
• Experience with databases (we use PostgreSQL and Clickhouse)
• Good Unix knowledge, having submitted patches to Operating Systems a huge plus for some roles
• Experience with monitoring, alerting and debugging high volume production systems
• Fluent in analyses of data sets such as logs
• Understanding of security and fraud detection systems
What You'll Do
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 software systems at Cloudflare:
• 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
• Data Science diving deep into request data, identifying malicious and fraudulent traffic patterns, and building novel solutions for mitigating such attacks
• Full Machine Learning platform and model development, from feature engineering to model development to release and monitoring
• One of the biggest data pipelines in the world, operating at well over 250M events per second
