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Systems Engineer, Workers Authoring and Testing

Job in London, Greater London, England, UK
Listing for: Cloudflare
Full Time, Seasonal/Temporary position
Listed on 2025-10-08
Job specializations:
  • IT/Tech
    Web Developer
Job Description & How to Apply Below

Overview

Systems Engineer, Workers Authoring and Testing — Cloudflare

About Us

At Cloudflare, we are on a mission to help build a better Internet. The company runs one of the world’s largest networks that powers millions of websites and other Internet properties. Cloudflare protects and accelerates Internet applications without adding hardware, installing software, or changing a line of code. We value diversity, inclusion, and collaboration as central to achieving our mission.

About

The Role

Our team’s core mission is to enable developers to do what they do best — build powerful applications. We believe they should be able to do this without having to think or worry about infrastructure, scaling, or performance. The Workers Authoring and Testing team focuses on authoring and testing on the Cloudflare Workers platform. You will join a team that enables developers worldwide to build low-latency, planet-scale applications for the Internet and the Web.

What

You’ll Do
  • Create and improve development tools to support authoring and testing with Cloudflare Workers
  • Work on projects that span multiple development surfaces, including CLIs, build systems, CI/CD pipelines, and web framework integrations
  • Converge existing tools and systems to simplify our product portfolio and increase quality and cohesion of the development experience
  • Help feature teams craft their public JavaScript/Type Script APIs
  • Contribute to internal and public-facing technical documentation
  • Support the health and availability of services by being part of an on-call rotation
  • Collaborate with engineers across Cloudflare and contribute at many layers of the stack
  • Help implement metrics and dashboards to monitor operational health after projects ship
  • Leverage creativity and developer prowess to seek out new ways to improve the platform
About You
  • Excited by helping application developers be successful
  • Experienced with JavaScript and Type Script
  • Passionate about development tools, libraries, frameworks, and workflows
  • Able to untangle and re-architect complex distributed systems to improve efficiency and simplify future development
  • Able to distill developer pain points into a smaller number of root causes
  • Own your work from early discussions onward
  • Naturally curious and eager to learn something new
  • Collaborator and effective communicator, valuing teamwork and high standards

You’ll feel at home if you have:

  • Experience using the Cloudflare Workers development platform
  • Experience contributing to open source projects
  • Experience with production system monitoring
  • Experience with a variety of modern JS web frameworks
  • Public speaking or developer relations skills
What Makes Cloudflare Special

We’re a highly ambitious technology company with a soul. Our mission includes protecting the free and open Internet. We also support philanthropic initiatives like Project Galileo, the Athenian Project, and 1.1.1.1 to improve Internet safety, accessibility, and privacy.

Additional Details

This position may require access to information protected under U.S. export control laws. Offers may be conditioned on authorization to receive software or technology controlled under these laws without sponsorship for an export license.

EEO Statement
:
Cloudflare is an equal opportunity employer. All qualified applicants will be considered without regard to race, color, religion, sex, gender, gender identity, gender expression, sexual orientation, national origin, ancestry, citizenship, age, disability, medical condition, family care status, or any other protected status. We provide reasonable accommodations to qualified individuals with disabilities. If you require an accommodation, please contact

Seniority level
:
Associate

Employment type
:
Full-time

Job function
:
Information Technology

Industries
: IT Services and IT Consulting, Technology, Information and Internet, Computer and Network Security

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