Front-End Product Engineer at Cloudflare

Location: London, United Kingdom

Posted January 28, 2019


At Cloudflare, we have our eyes set on an ambitious goal: to help build a better Internet. Today, Cloudflare runs one of the world’s largest distributed networks that powers more than 10 trillion requests per month, which is nearly 10 percent of all Internet requests worldwide. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code.

Our customers range from Fortune 500 companies and nonprofits to small businesses and budding entrepreneurs. We are working to create a faster, more secure, and more reliable experience for anyone online and given the scale at which we operate, our mission is big. Our team is hard at work shaping the future of the Internet by solving some of its toughest challenges.

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, and we are ready to help you do that. 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. Come join us!

Cloudflare’s Engineering Team builds and runs the software that handles about 10% of HTTP requests on the Internet today. We also build and run the internal tools that builds and runs our software. The Engineering Team is split into two groups: one handles product development and the other handles operations. Product development covers both new features and functionality and scaling our existing software to meet the challenges of a massively growing customer base. The operations team handles one of the world’s largest networks with data centers in 102 cities worldwide.


We have growing front-end needs, so we’re looking for highly motivated individuals that are excited to join product teams and work with product owners, designers, and systems engineers to build (and rebuild, in some cases) new and existing products and features. You should have experience working with large-scale JavaScript applications and a track record of building great products. You must care deeply not only about the quality of your and the team's code, but also the product functionality and user experience.

We believe that a great design is at the heart of any successful product and you will work closely with our design/UX team and must be comfortable seeking feedback from non-technical sources. We work iteratively and deploy often (can be several times a day). We are in the midst of migrating our front-end application from Backbone to React, maintain a suite of common components published on npm, and build/package with Webpack. Other technologies we use include Redux, Fela, Jest, Enzyme, Puppeteer, D3, PHP & Go (API layer), Docker, Salt, Postgres, and more.


Examples of desirable skills, knowledge and experience

  • BA/BS in Computer Science or equivalent
  • Minimum of 2+ years experience building product
  • Strong knowledge of HTML, CSS, and JavaScript
  • Strong knowledge of React.js
  • Experience writing reusable/modular code and JS frameworks
  • Track record of building great interfaces and being detail oriented
  • Ability to work in cross-functional teams
  • Willingness to dive deep and understand product internals
  • Excellent debugging skills
  • Unit/integration testing experience

Bonus Points

  • Experience with PHP, Go, or Postgres
  • History of building products in complex systems
  • Knowledgeable in one or more of the following areas:
  • Layers 4-7 of the OSI Model
    • DNS
    • Billing Systems
    • Access Control & User Permission Systems

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