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
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Common Interview Questions And Answers

1. HOW DO YOU PLAN YOUR DAY?

This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

2. HOW DO YOU USE THE DIFFERENT COMMUNICATION TOOLS IN DIFFERENT SITUATIONS?

When you're working on a remote team, there's no way to chat in the hallway between meetings or catch up on the latest project during an office carpool. Therefore, virtual communication will be absolutely essential to get your work done...

3. WHAT IS "WORKING REMOTE" REALLY FOR YOU?

Many people want to work remotely because of the flexibility it allows. You can work anywhere and at any time of the day...

4. WHAT DO YOU NEED IN YOUR PHYSICAL WORKSPACE TO SUCCEED IN YOUR WORK?

With this question, companies are looking to see what equipment they may need to provide you with and to verify how aware you are of what remote working could mean for you physically and logistically...

5. HOW DO YOU PROCESS INFORMATION?

Several years ago, I was working in a team to plan a big event. My supervisor made us all work as a team before the big day. One of our activities has been to find out how each of us processes information...

6. HOW DO YOU MANAGE THE CALENDAR AND THE PROGRAM? WHICH APPLICATIONS / SYSTEM DO YOU USE?

Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

7. HOW DO YOU ORGANIZE FILES, LINKS, AND TABS ON YOUR COMPUTER?

Just like your schedule, how you track files and other information is very important. After all, everything is digital!...

8. HOW TO PRIORITIZE WORK?

The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

9. HOW DO YOU PREPARE FOR A MEETING AND PREPARE A MEETING? WHAT DO YOU SEE HAPPENING DURING THE MEETING?

Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

10. HOW DO YOU USE TECHNOLOGY ON A DAILY BASIS, IN YOUR WORK AND FOR YOUR PLEASURE?

This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...

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