Software Engineer Load Balancing

Cloudflare
San Francisco, CA

About Us

At Cloudflare we are on a mission to help build a better Internet. Today the company runs one of the worlds 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 Magazines Top Company Cultures list and ranked among the Worlds 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!

Location: Austin TX

About Engineering at Cloudflare

Cloudflares Engineers build and operate the software that helps power 25 million Internet properties and millions of businesses around the world. Across our engineering organizations we have opportunities for high caliber curious and empathetic people to take on big challenges and build some of the best skills in the industry. Were looking for talented team members to help build high-growth products help scale our expanding network build tools to improve availability performance uptime and response times and make systems failure-resistant and ready-to-scale.

Cloudflare is a system spanning the globe on a mission to make the Internet better safer and more powerful every day. As a Software Engineer at Cloudflare youll work on the code that runs close to the end user runs at a massive scale and is deployed to 330 cities around the world.

Role Summary

We are looking for a talented Systems Engineer to join the Load Balancing team. You will work on a range of microservices written mainly in Go. Technologies we use include Docker Go Lua PostgreSQL Redis gRPC Kafka Clickhouse and the usual Unix/Linux tools and workflows. We strive to build reliable fault-tolerant systems that can operate at Cloudflares scale. You will join a team of bright hard-working and supportive engineers who are passionate about their craft and you will be comfortable operating in a fast-paced but sane work environment.

Role Responsibilities

  • Design implement and maintain the software systems that comprise Cloudflares Load Balancing product.
  • Participate in all stages of the software development lifecycle from designing and documenting systems to writing code automated tests and monitoring production deployments.
  • Collaborate with internal teams including security network engineering SRE and product management to design scalable solutions to difficult technical problems.
  • Review work from your peers throughout all stages of the development lifecycle to ensure high-quality maintainable code.
  • Mentor team members and work with support teams to ensure customer delight and bring out the best in everyone.
  • Debug issues in complex systems and contribute to the maintenance and improvement of operational health.
  • Work with a wide range of technologies and programming languages including Go Rust and Typescript as well as various databases (SQL and No-SQL) Docker and Kubernetes.

Role Requirements

  • First and foremost curiosity and critical thinking
  • 3 years of relevant professional experience with a technology company
  • Strong programming skills in Go Rust C or a similar systems-level language
  • Experience building and operating distributed systems
  • Experience with modern Unix/Linux development and runtime environments
  • Experience with monitoring alerting and debugging high volume production systems
  • Experience with databases (we use PostgreSQL and Clickhouse)
  • Experience with monitoring and logging tools like Prometheus and Grafana.
  • Experience with containerization and orchestration technologies such as Docker and Kubernetes.
  • Strong interpersonal and communication skills demonstrating empathy teamwork and a sense of ownership.

What Makes Cloudflare Special

Were not just a highly ambitious large-scale technology company. Were 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 weve equipped more than 2400 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 Cloudflares 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 weve 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. Heres the deal - we dont 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 youd like to be a part of Wed 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 persons 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 or via mail at 101 Townsend St. San Francisco CA 94107.

Posted 2025-11-22

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