C Developer (worldwide remote, work anywhere)

CloudLinux is a global remote-first company. We are driven by our principles: do the right thing, employees first, we are remote first, and we deliver high volume, low-cost Linux infrastructure and security products that help companies to increase the efficiency of their operations. Every person on our team supports each other and does what we can to ensure we all are successful. 

TuxCare is a subsidiary of CloudLinux. It offers a portfolio of security solutions for Linux and open-source software aimed at enterprise organizations. With TuxCare, enterprises can automate live vulnerability patching, minimize downtime, keep their applications secure and compliant, and get support from a team that knows Linux security best – covering the most popular Linux distributions, end-of-life systems, programming languages, and much more.

Endless Lifecycle Support (ELS) enables organizations to continue securely using Linux distributions and software languages that have reached the end of life or no longer receive standard security support – delivering vulnerability patches for unsupported versions of CentOS, CentOS Stream, Ubuntu, Debian, Oracle Linux, PHP, Python, and Spring software development framework.

We are seeking a C Developer to join our Endless Lifecycle team. In this role, you will backport security fixes to company-maintained stable versions of these projects. You will also have the opportunity to work with and contribute to major open-source projects such as Apache HTTPD, OpenSSL, and MySQL.

For more information, visit our website:

What you will do:

• Backport security and bug fixes from newer upstream versions or develop custom patches as needed.
• Create reproductions and tests for identified vulnerabilities.
• Contribute to upstream projects.
• Work on a range of open-source projects, including Apache httpd, Python, OpenSSL, and more.
• Automate routine processes such as monitoring CVEs (Common Vulnerabilities and Exposures), applying patches, and conducting tests.

• A minimum of 3 years of experience with C programming.
• Proficiency in GNU/Linux operating systems and shell scripting.
• Experience with build systems such as autotools, make, and cmake.
• Familiarity with git-based development workflows.
• Knowledge of additional languages such as C++, C#, or Rust is a plus.
• Experience with Python or other scripting languages is a plus.
• Experience with Linux debuggers (gdb, ftrace, probes, bpf, etc.) is a plus.

What's in it for you?

• A focus on professional development.
• Interesting and challenging projects.
• Fully remote work with flexible working hours, that allows you to schedule your day and work from any location worldwide.
• Paid 24 days of vacation per year, 10 days of national holidays, and unlimited sick leaves.
• Compensation for private medical insurance.
• Co-working and gym/sports reimbursement.
• Budget for education.
• The opportunity to receive a reward for the most innovative idea that the company can patent.

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