Senior Systems Engineer, Cloud App Control

Confirmed live in the last 24 hours

Cloudflare

Hybrid

Posted April 21, 2026

Job Description

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.

At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in.

Available Location: Sydney, Australia

About the Department

Cloudflare’s Engineering Team builds and runs the software that handles trillions of requests per month. Product development covers both new features and functionality and scaling our existing software to meet the challenges of a massively growing customer base.

The Cloudflare One group within the Engineering organization is taking on the mission of ensuring the people and teams within an organization can access the tools they need to do their job safe from malware and other online threats with the speed and reliability that Cloudflare is known for.

What you’ll do

In this role you’ll help us build features within Gateway, an ambitious product that aims to be the most secure and performant method for an organization’s devices to connect to the Internet. As an engineer on the Cloud App Control team, you will focus on our high-performance global edge network data plane services and will also contribute to the control plane API’s that configure the edge services. You will be joining a global team of bright, hard-working, and supportive engineers who really care about their craft.

Example of systems that the team currently is building:

A forward-proxy service running on every machine of Cloudflare’s extensive edge network, responsible for inspecting, filtering, and blocking device requests based on an organization’s configured policy.
A deployable forward-proxy that runs inside customer networks responsible for inspecting and filtering cloud API traffic to preventatively secure IaaC workloads.
Microservices that allow organizations to configure, manage, and observe their organization's devices and their respective traffic.

Technologies we use:

Gateway’s core edge services are written in Rust and deployed globally to 200+ data centers
Our deployable proxy is written in Go providing a single binary that is easy for customers to integrate within their overall architecture.
Our REST API is written in Go, runs on Kubernetes, and uses Postgres as a data store.
Our frontend is written in Typescript and React.
For service monitoring we use Prometheus and Grafana.
For service logging we use Elasticsearch and Kibana.
For product analytics we use Clickhouse and BigQuery.

Because you’ll be solving problems of massive scale and significance, and shaping the future of the Internet, you are a growth-oriented individual who enjoys being outside of your comfort zone in a fast-paced environment.