Systems Engineer

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.

• Experience with transactional email infrastructure at scale
• Strong knowledge of email deliverability / anti-spam standards (e.g. SPF, DKIM, DMARC, VERP)
• Knowledge of at least one modern strongly-typed programming language: we primarily use Rust, TypeScript, and Go.
• Experience with Cloudflare Developer Platform
• Proven ability to drive projects independently, from concept to implementation.

Bonus Points:

• Deep Linux / UNIX systems knowledge.
• Technical writing skills
• Experience building and scaling large-scale applications., Application Programming Interface (API), Artificial Intelligence (AI), Blog, Cloud Computing, Collective Bargaining, Customer/Client Research, DNS (Domain Name System), Email Technology, Emerging Technology, Entrepreneurship, Fortune 500 Customers, Hardware Installation, IP (Internet Protocol), Intelligent Network, Internet Application, JavaScript, Journalism, Legal, Linux Operating System, Local Government, On Call, Performance Management, Problem Solving Skills, Programming Languages, Sales, Software Installation, Spam Filtering, State Government, Systems Engineering, Technical Writing, Unix Operating Systems, Website Traffic, Writing Skills

• For Portugal based hires: Estimated annual salary of €54,000 - €75,000

The final offer will be inclusive of time exemption, in alignment with the applicable law and collective bargaining agreements.

Equity

This role is eligible to participate in Cloudflare’s equity plan.

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., Emerging Technologies & Incubation (ETI) is where new and bold products are built and released within Cloudflare. Rather than being constrained by the structures which make Cloudflare a massively successful business, we are able to leverage them to deliver entirely new tools and products to our customers. Cloudflare’s edge and network make it possible to solve problems at massive scale and efficiency which would be impossible for almost any other organization.

What you’‘ll do

As a Systems Engineer focused on Cloudflare’’s Email Service, you will shape the future of industry-leading services that redefine what is possible for developers. We don’‘t just copy what other cloud providers do; we work backward from developer needs, reimagining solutions by leveraging our unique global network.You will own your code from inception to release, delivering solutions at all layers of the software stack to empower Cloudflare customers. On any given day, you might implement innovative solutions for deliverability, optimize time-to-inbox, or design an API for a new product feature. You can expect to interact with a variety of languages and technologies including, but not limited to JavaScript, Typescript, Rust and Go.

This role may require flexibility to be on-call outside of standard working hours to address technical issues as needed., What Makes Cloudflare Special?

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.

Project Galileo: Since 2014, we’‘ve equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare’s enterprise customers–at no cost.

Athenian Project: In 2017, we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free, so that their constituents have access to election information and voter registration. Since the project, we’‘ve provided services to more than 425 local government election websites in 33 states.

1.1.1.1: We released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Here’s the deal - we don’t store client IP addresses never, ever. We will continue to abide by our privacy commitment and ensure that no user data is sold to advertisers or used to target consumers.

Sound like something you’d like to be a part of? We’d love to hear from you!

Please note that applicants who progress to the offer stage of the interview process may be asked to attend an in-person interview within one of the Cloudflare Offices or Cloudflare Hubs. More details about this will be available at that stage of the interview process.