Job Details

Principal Software Engineer : Resiliency

  2025-10-06     CloudFlare     San Francisco,CA  
Description:

About Us

Cloudflare is on a mission to help build a better Internet. We run one of the worlds largest networks, powering millions of websites and Internet properties. We protect and accelerate Internet applications without requiring hardware, software installation, or code changes. Our network routes traffic globally, improving performance and reducing spam and attacks. Cloudflare has been recognized for culture and innovation.

We value curiosity, empathy, and continuous learning. We strive for diversity and inclusion and hire based on potential, supporting team members throughout their time at Cloudflare. Come join us!

About the department

Cloudflare's Resiliency Engineering Team builds and runs systems and software that support our solutions handling trillions of requests per month. The Infrastructure Tooling Team within Resiliency Engineering defines, builds, and supports tools used by the Infrastructure Engineering team to manage infrastructure at scale.

What you'll do

At Cloudflare, we are building a globally distributed, highly available Cloud. In this role, you will work with several teams of engineers that build the internal Control Plane used by SREs and Infrastructure Operations to manage internal DCaaS and IaaS platforms. You will be responsible for tools that support the management of a growing, globally distributed fleet of servers, storage, and network gear across thousands of colocations worldwide. You will help shape the infrastructure that supports Cloudflare's scale and growth. You will have opportunities to write code to realize this design and to mentor high-potential engineers on their distributed systems journey.

You will work alongside engineers who have presented at DevOPs Days, Config Management Camp 2024 & 2025, Monitorama, OSMC, KubeCon and Promcon. Together you will deliver on key Health Mediated Deployment projects tracked through senior leadership up to Cloudflare's founders.

Examples of desirable skills, knowledge and experience

  • Minimum 10 years of experience working with distributed systems.
  • Experience designing, building and managing high volume software applications.
  • Expert in at least one modern strongly-typed programming language
  • Experience debugging, measuring, optimizing and identifying failure modes in a large-scale distributed system.
  • Excellent collaboration skills
  • Proven ability to convey ideas effectively through verbal and written communication
  • Ability to translate business needs into requirements, design documents and technical solutions
  • Knowledge of API design standards, patterns and best practices
  • Proven ability to use data to drive business outcomes
  • Proven experience in developing architects and lead engineers
  • Solid understanding of computer science fundamentals including data structures, algorithms, and object-oriented or functional design.

Bonus Points

  • Experience with optimizing and scaling infrastructure provisioning, repair, and decommissioning processes and automations.
  • Experience with scaling and simplifying Configuration Management systems managing hundreds of thousands of nodes

Compensation

Compensation may be adjusted depending on work location.

  • For New York City, Washington, Washington D.C. and California (excluding Bay Area) based hires: Estimated annual salary of $230,000 - $281,000

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 expenses, support caregiving, build capital for the future and make life a little easier and fun. The below is a description of our benefits for employees in the United States, and benefits may vary for employees based outside the U.S.

Health & Welfare 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

Financial Benefits

  • Short and Long Term Disability Insurance
  • Life & Accident Insurance
  • 401(k) Retirement Savings Plan
  • Employee Stock Participation Plan

Time Off

  • Flexible paid time off covering vacation and sick leave
  • Leave programs, including parental, pregnancy health, medical, and bereavement leave

What Makes Cloudflare Special?

We're not just a highly ambitious, large-scale technology company. We have a soul and a mission to help build a better Internet by protecting the free and open Internet.

Project Galileo: Since 2014, we've equipped more than 2,400 journalism and civil society organizations in 111 countries with tools to defend against censorship, at no cost to Cloudflare's enterprise customers.

Athenian Project: In 2017, we created the Athenian Project to protect state and local governments so constituents have access to election information and voter registration; services have been provided to more than 425 local government election websites in 33 states.

1.1.1.1: We released 1.1.1.1 to provide a faster, more secure, privacy-centric public DNS resolver. We do not store client IP addresses. We remain committed to privacy and do not sell data to advertisers or use data to target consumers.

Sound like something you'd like to be a part of? We'd love to hear from you!

This position may require access to information protected under U.S. export control laws, including the U.S. Export Administration Regulations. Any offer of employment may be conditioned on authorization to receive software or technology controlled under U.S. export laws without sponsorship for an export license.

Cloudflare is proud to be an equal opportunity employer. We are committed to equal employment opportunity for all people and place great value on diversity and inclusiveness. All qualified applicants will be considered for employment without regard to race, color, religion, sex, gender, gender identity, gender expression, sexual orientation, national origin, ancestry, citizenship, age, physical or mental disability, medical condition, family care status, or any other basis protected by law. We are an AA / Veterans / Disabled Employer.

Cloudflare provides reasonable accommodations to qualified individuals with disabilities. Please tell us if you require a reasonable accommodation to apply for a job. Examples include changing the application process, providing documents in alternate formats, using a sign language interpreter, or using specialized equipment. If you require an accommodation, please contact ...@cloudflare.com or 101 Townsend St. San Francisco, CA 94107.

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