Software Engineer, Cloudforce One
Available Locations: Austin - US, Mexico City - Mexico, Lisbon - Portugal, London - UK
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). Cloudforce One works in close partnership with external organizations and internal Cloudflare teams, continuously developing operational tradecraft and expanding ever‑growing sources of threat intelligence to enable expedited threat hunting and remediation. Members of Cloudforce One are at the helm of leveraging an incredibly vast and varied set of data points that only one of the world’s largest global networks can provide. The team is able to analyze these unique data points, at massive scale and efficiency, synthesizing findings into actionable threat intelligence to better protect our customers.
Role 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 (Must‑Have Skills)
* 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
Benefits & Projects
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’s the first consumer‑focused service Cloudflare has ever released. We don’t store client IP addresses ever, 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.
Interested?
Sound like something you’d like to be a part of? We’d love to hear from you!
Legal Requirements
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.
Equal Opportunity Employer
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.
Seniority level: Associate
Employment type: Full‑time
Job function: Engineering and Information Technology
Industries: IT Services and IT Consulting, Technology, Information and Internet, and Computer and Network Security
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