Principal Systems Engineer, Data

Cloudflare
HybridPosted 7 April 2026

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. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Locations: Austin, Denver, Washington DC, Atlanta About the Team The Core Data team’s mission is building a centralized data platform for Cloudflare that provides secure, democratized access to data for internal customers throughout the company. We operate infrastructure and craft tools to empower both technical and non-technical users to answer their most important questions. We facilitate access to data from federated sources across the company for dashboarding, ad-hoc querying and in-product use cases. We power data pipelines and data products, secure and monitor data, and drive data governance at Cloudflare. Our work enables every individual at the company to act with greater information and make more informed decisions. About the Role We are looking for an experienced systems engineer with a deep expertise in data to help us expand, mature and maintain our data infrastructure. You’ll lead technical architecture and implementation to scale our data platform, manage access seamlessly while accounting for privacy and security, create data pipelines and data products, and build tools to automate accessibility and usefulness of data. You’ll work with teams including Product Growth, Marketing and others to help those teams make informed decisions, the Billing team to power usage and invoicing platforms, as well as product teams across the company bringing new and innovative solutions to Cloudflare customers using our internal data. What You’ll Do Define, design and execute strategic technical architecture for highly visible, highly critical data infrastructure at the company. Lead the design and development tools and infrastructure to improve and scale our data infrastructure at Cloudflare. Lead the design and development of data pipelines and data products to serve customers throughout the company, including tools to automate delivery of those services. Become a subject matter expert across both our data platforms, tools and infrastructures as well as our data itself to guide and enable stakeholders with data needs. Work across our tech stack, which includes Kubernetes, Trino, Iceberg, Clickhouse, and PostgreSQL, with software built using Go, Javascript/Typescript, Python, and others. Mentor and support junior engineers on the team, reinforcing a culture of exceptional delivery and accountability on the team. Requirements 8+ years of experience as a software engineer with a focus on desig ... (truncated, view full listing at source)
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