Principal Software Engineer : Resiliency

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.

We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new skills, and we are ready to help you do that. We cannot complete our mission without building a diverse and inclusive team. We hire the best people based on an evaluation of their potential and support them throughout their time at Cloudflare. Come join us!

About the department

Cloudflare's Resiliency Engineering Team builds and runs the systems and software that support our solutions that handle trillions of requests per month. Resiliency Engineering ensures all of the new and existing features and functionality that Cloudflare offers can be managed at scale and meet the needs of our massively growing customer base.The Infrastructure Tooling Team within the Resiliency Engineering organization is responsible for defining, building and supporting the tools that can be leveraged by the rest of the Infrastructure Engineering team to manage our infrastructure at scale.

What you'll do

At most companies, you build applications "in" the Cloud - here at Cloudflare we're building a Cloud; a uniquely performant, globally distributed and highly available Cloud. In this role, you will work with several teams of passionate and talented engineers that are building the internal Control Plane used by our SREs, and Infrastructure Operations teams to manage our 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 spread across over a thousand colos worldwide. You will play an active part in shaping the future of the infrastructure that propels Cloudflare's scale and growth.Along the way you will have the opportunity to write code to bring this design to fruition as well as to mentor high-potential engineers on their distributed system journey.

You will be working alongside engineers who have presented at DevOPs Days, Config Management Camp 2024 & 2025, Monitorama, OSMC, Kubecon and Promcon. Together you will deliver on the key Health Mediated Deployment projects that are being tracked through senior leadership of Cloudflare up to the 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

Compensation

Compensation may be adjusted depending on work location.

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

Financial Benefits

Time Off

What Makes Cloudflare Special?

We're not just a highly ambitious, large-scale technology company. We're a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is 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 powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare's enterprise customers at no cost.

Athenian Project : In 2017, we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free, so that their constituents have access to election information and voter registration. Since the project, we've provided services to more than 425 local government election websites in 33 states.

1.1.1.1 : We released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Here's the deal - we don't store client IP addresses never, ever. We will continue to abide by our privacy commitment and ensure that no user data is sold to advertisers or used 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. Please note that any offer of employment may be conditioned on your authorization to receive software or technology controlled under these U.S. export laws without sponsorship for an export license.

Cloudflare is proud to be an equal opportunity employer. We are committed to providing equal employment opportunity for all people and place great value in both diversity and inclusiveness. All qualified applicants will be considered for employment without regard to their, or any other person's, perceived or actual 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 of reasonable accommodations include, but are not limited to, changing the application process, providing documents in an alternate format, using a sign language interpreter, or using specialized equipment. If you require a reasonable accommodation to apply for a job, please contact us via e-mail at hr@cloudflare.com or via mail at 101 Townsend St. San Francisco, CA 94107.

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