Software Engineer

Cloudflare

full-time

Posted on: 10/9/2025

Location Type: Hybrid

Location: 🇺🇸 United States

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Mid-LevelSenior

Distributed SystemsDNSGoGRPCKafkaKubernetesPostgresReactRedisRustSQLTypeScript

About the role

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.

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
(Relevant but not required - we love to learn on the job!) 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

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.
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.
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.

Tip: use these terms in your resume and cover letter to boost ATS matches.

distributed systemsRESTful APIsgRPCSQLPostgreSQLGoTypescriptRustweb applicationsKubernetes

debuggingoptimizationtechnical mentoringcollaborationcommunicationproblem-solvingprioritizationleadershipteamworkbest practices