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Systems Engineer - Data Security

Join Cloudflare as a Systems Engineer to build and maintain Data Security products that enhance customer visibility into security opportunities.

Location
United States
Compensation
Not disclosed
Level
mid
Type
full time · Hybrid

Posted by employer 1 day ago

First seen on Joblaze 1 hour ago

Last verified on the company career page 1 hour ago

What you'll build

  • Build and maintain Data Security products
  • Develop new functionality into APIs
  • Ensure performance and reliability of services
  • Ingest millions of data points each day

Must have

  • 3+ years of professional experience building and managing reliable and performant software systems
  • Experience with Go, Python, PostgreSQL

Nice to have

  • Frontend programming experience in TypeScript/JavaScript
  • Experience working with third-party API integrations
  • Experience working on security products

Requirements

Experience
3+ years

Not disclosed in this posting: compensation, visa sponsorship.

Joblaze summary

In the role of Systems Engineer focused on Data Security, the individual will develop and enhance software products that provide customers with insights into their cloud and SaaS security. Proficiency in Go, Python, and experience with distributed systems are essential, along with strong debugging skills and a willingness to learn new technologies. This position is ideal for engineers with over three years of experience who are passionate about cybersecurity and eager to tackle complex challenges in a collaborative environment.

Joblaze insights

  • Listed today — first seen on Joblaze October 10, 2026. Last confirmed on Cloudflare's careers page October 10, 2026.
  • Python appears in 42.5% of 254 comparable mid backend roles in United States; Cloudflare Workers appears in 0.8% of 254 comparable mid backend roles in United States.

Quick facts

Is the Systems Engineer - Data Security role remote?
It's hybrid — Cloudflare expects some on-site time in United States.
How much experience is required?
At least 3 years of relevant experience for this Systems Engineer - Data Security role.
Where is the role based?
Cloudflare is hiring for this position in United States.
What's the tech stack?
Joblaze extracted these technologies from the posting: AWS, Azure, BigQuery, ClickHouse, Cloudflare Workers, Elasticsearch.
What seniority level is this role?
Cloudflare targets mid-level candidates for this position.
Is this full-time or contract?
Full-time for this Systems Engineer - Data Security role at Cloudflare.

From the original posting

About Us

What you’ll do

In this role, you’ll help build and maintain Data Security products as a Software Engineer. These products empower customers to gain deep visibility into Cloud/SaaS security opportunities and into trends in their network traffic and product use. As an engineer on the team, you will focus on building new functionality into our APIs and distributed code while ensuring the performance and reliability of our services which ingest millions of data points each day. You’ll be joining a team of bright, knowledge-seeking engineers who are truly missionaries in solving the security and network visibility challenges for our customers.

Technologies we use:

  • Products are written in Go, Python, and Typescript.
  • Code runs on Kubernetes, Cloudflare Workers, AWS, GCP, Azure.
  • We utilize Postgres as our data store, Redis as our cache, and Kafka as our message broker.
  • 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.

Examples of desirable skills, knowledge, and experience:

  • 3+ years of professional experience building and managing reliable and performant software systems at scale, preferably with technologies like: Go, Python, Postgres
  • Passion for making the digital world a more secure place
  • Excellent debugging and optimization skills
  • Willingness, curiosity, and enthusiasm to learn new programming languages, technologies and systems
  • Strong interpersonal and communication skills. Caring and empathy are coveted traits here!

Bonus

  • Frontend programming experience in Typescript/Javascript
  • Previous experience working with third-party API integrations
  • Previous experience working on security products

What Makes Cloudflare Special?

Standard company text repeated across Cloudflare's postings is omitted here.

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