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Cloudflare

Software Engineer, Cloudforce One

Cloudflare
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hybrid senior full-time

First indexed 26 Apr 2026

Description

About Us

At Cloudflare, we're a highly ambitious, large-scale technology company that helps build a better Internet. We protect and accelerate any Internet application online without adding hardware, installing software, or changing a line of code.

Role Summary

Cloudforce One is Cloudflare's threat operations and research team, responsible for identifying and disrupting cyber threats ranging from sophisticated cyber criminal activity to nation-state sponsored advanced persistent threats (APTs).

As a Software Engineer on this team, you will own the entire software development lifecycle,from design and architecture to deployment and monitoring,for systems that serve both threat disruption and legal response efforts.

Responsibilities

  • Design, build, run, and scale distributed tools and services that support both cyber threat disruption and Legal Response efforts.
  • Develop critical data pipelines and services to collect, analyze, and expose threat intelligence data for Cloudforce One analysts and Cloudflare customers, helping to identify Tactics, Techniques, and Procedures (TTPs) and Indicators of Compromise (IOCs).
  • Extend, improve, and maintain mission-critical Trust & Safety solutions, including our CSAM Scanning Tool and other legal compliance pipelines.
  • Collaborate closely with Threat Operations, Trust & Safety, Legal, and Product teams to understand goals and translate complex technical requirements into elegant, scalable solutions.
  • Improve system design and architecture to ensure stability, performance, and maintainability of both internal and customer-facing compliance and security services.
  • Analyze, communicate, and help prioritize complex technical concepts across teams.
  • Ongoing monitoring and maintenance of production services, including participation in on-call rotations.
  • Mentor and guide other developers in the team, helping to build collective technical expertise and promote best practices for writing well-tested, modular, and reusable code.

Requirements

  • At least 5 years of experience building large-scale software applications, preferably distributed systems.
  • Experience designing and integrating RESTful APIs and/or gRPC services.
  • Knowledge of SQL and common relational database systems such as PostgreSQL.
  • Prior experience writing production-ready code in Go and/or Typescript.
  • Familiarity with Rust.
  • Excellent debugging and optimization skills.
  • Expertise in writing well-tested code.
  • Interest in opportunities to be a technical mentor for teammates.

Nice-to-Have Skills

  • Prior experience working in the Trust & Safety and Legal domain space.
  • Deep understanding of DNS, TLS/SSL, and HTTP.
  • Expertise in web security issues and industry standards for access control.
  • Experience with Kafka.
  • Experience building web applications using React.
  • Experience with Kubernetes.
  • Experience with Redis.

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, disability, or any other characteristic protected by law.

This listing is enriched and indexed by YubHub. To apply, use the employer's original posting: https://job-boards.greenhouse.io/cloudflare/jobs/7309174