Software Engineer, Zero Trust Client Lisboa

Cloudflare is 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.

We are looking for a Software Engineer to join our Zero Trust team. You will be working on the Zero Trust desktop client, which protects corporate devices by securely and privately sending traffic from those devices to Cloudflare’s global network, which can apply advanced web filtering and advanced Zero Trust policies.

In your role, you will predominantly be using Rust alongside
- native languages & APIs to implement
- performance networking code that runs on multiple desktop platforms. You’ll be expected to improve the code quality and to build solid, testable, and
- documented foundations. You will be most successful in this role if you have a good understanding of operating system concepts (multi-threading, process lifecycle, network adapters, sockets, etc. ) and networking concepts & protocols (VPNs, firewalls, TCP/IP, UDP, DNS, QUIC, H/3, proxying, etc. ).

Responsibilities:

• Implement
  - performance networking code using Rust and
  - native languages & APIs.
• Improve code quality and build solid, testable, and
  - documented foundations.
• Work on stimulating problems born out of the scale of our deployment, and the stringent quality, performance, and security requirements of our product.

Requirements:

• Excellent programming skills, with experience writing
  - quality and
  - complexity code with thorough documentation.
• Experience writing
  - testable and
  - tested code.
• Experience with systems programming and familiarity with core OS concepts of one or more desktop OSes (mac
  OS, Windows, and Linux).
• Experience using
  - level languages, such as Rust, C, C++.
• Comfortable writing multithreaded, asynchronous code.
• Familiarity with debugging
  - related problems, especially on desktop devices.
• Empathetic, proactive, and constructive communication skills, verbal and written.

Benefits:

• Medical/Rx Insurance.
• Dental Insurance.
• Vision Insurance.
• Flexible Spending Accounts.
• Commuter Spending Accounts.
• Fertility & Family Forming Benefits.
• On-demand mental health support and Employee Assistance Program.
• Global Travel Medical Insurance.

What Makes Cloudflare Special?

We’re not just a highly ambitious,
- scale technology company. We’re a highly ambitious,
- scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.

Cloudflare is proud to be an equal opportunity employer. We are committed to providing equal employment opportunity for all people and place great value in both diversity and inclusiveness. All qualified applicants will be considered for employment without regard to their, or any other person's, perceived or actual race, color, religion, sex, gender, gender identity, gender expression, sexual orientation, national origin, ancestry, citizenship, age, physical or mental disability, medical condition, family care status, or any other basis protected by law.