Principal Software Engineer, Workers Deploy & Config

About the position

Join the Workers Deploy & Config team as a Principal Engineer, the most senior technical role on the team behind Cloudflare’s serverless edge developer platform. You’ll build the critical large-scale systems that let developers deploy, configure, and manage Workers globally, powering everything from simple static sites to full-stack applications serving millions of users. This team sits at the foundation of Cloudflare’s developer platform, including Pages and R2. The work spans distributed systems, high-traffic APIs, performance, reliability, and developer experience at global scale.

Responsibilities

• Lead the architectural evolution of the Workers control plane and help define its multi-year strategy.
• Identify high-leverage technical challenges and turn ambiguous problems into actionable engineering paths.
• Re-engineer core services to keep ahead of exponential traffic growth.
• Architect foundational primitives that unlock new product capabilities and categories.
• Own the stability and efficiency of a core customer-facing system.
• Establish rigorous benchmarks for API responsiveness, availability, and reliability.
• Participate in on-call to help maintain global platform availability.
• Collaborate with Product and engineering leadership to shape future roadmaps.
• Serve as the primary technical representative for Workers Deploy & Config in major design forums.
• Mentor mid-level and senior engineers and raise overall engineering standards.
• Investigate and apply emerging technologies to improve the developer platform.

Requirements

• Deep experience using Go in production environments.
• Experience with JavaScript and TypeScript.
• Experience with Kubernetes and metrics/observability tooling such as Prometheus and Grafana, or similar.
• Proven history of architecting, expanding, and managing massive distributed infrastructures in live environments.
• Track record of owning architecture across multiple teams or systems from concept through global release.
• Demonstrated organizational influence through standards-setting, design leadership, cross-team collaboration, and mentoring senior engineers.
• Strong ability to design and evolve RESTful APIs with a focus on developer experience.
• Track record of increasing team leverage with AI, including evaluating and introducing AI-assisted development and agentic workflows responsibly.

Nice-to-haves

• Experience with C++ or Rust.
• Experience working on a control plane or data plane.
• Experience using Cloudflare Workers or Pages.
• Experience working in frontend frameworks such as React.
• Experience managing interns or mentoring junior engineers.
• Product mindset and comfort talking to customers and partners.
• Familiarity with GraphQL
• Familiarity with RPC

Benefits

• Medical/Rx Insurance
• Dental Insurance
• Vision Insurance
• Flexible Spending Accounts
• Commuter Spending Accounts
• Fertility & Family Forming Benefits
• On-demand mental health support and Employee Assistance Program
• Global Travel Medical Insurance
• Short and Long Term Disability Insurance
• Life & Accident Insurance
• 401(k) Retirement Savings Plan
• Employee Stock Participation Plan
• Flexible paid time off covering vacation and sick leave
• Leave programs, including parental, pregnancy health, medical, and bereavement leave