Senior C Developer

Summary

Join CloudLinux, a global remote-first company, as a Senior C Developer. Contribute to projects like Apache2Nginx, Mod_lsapi, and MySQL Governor, enhancing our flagship CloudLinux OS. You will leverage your 5+ years of C experience and Linux expertise to develop and maintain high-volume, low-cost Linux infrastructure and security products. This role offers a fully remote, flexible work environment with generous paid time off and benefits. We value professional development and offer opportunities for growth and innovation.

Requirements

• 5+ years of experience in C
• Good Linux/Unix proficiency, with experience in RHEL/CentOS/AlmaLinux
• Experience with POSIX/pthread programming in C
• Ability to work with various build systems like autotools, make, and cmake
• Experience in debugging (mostly gdb and command line)
• Experience with Shell scripting
• Strong knowledge of Linux development tools and Linux system software development
• Hands-on experience with profiling tools like Linux perf
• Experience in the development of multi-threaded applications and IPC
• Knowledge, understanding, and ability to select and analyze the performance of classical algorithms and data structures
• Strong understanding of the network stack, particularly TCP/IP and HTTP
• Experience in monitoring deployments and application performance
• Ability to identify and troubleshoot emerging issues and optimize the application for performance and scalability
• Proficient in Git
• Knowledge of English at upper-intermediate and higher levels

Responsibilities

• Develop and maintain components of CloudLinux OS
• Work on projects including Apache2Nginx, Mod_lsapi, MySQL Governor, Mod_hosting_limits, and Python/NodeJS/Ruby selectors related to Passenger
• Debug applications (primarily using gdb and command line)
• Develop multi-threaded applications and utilize IPC
• Analyze the performance of algorithms and data structures
• Monitor deployments and application performance
• Troubleshoot issues and optimize applications for performance and scalability
• Utilize Git for version control

Preferred Qualifications

• Experience in system programming
• Experience in the development of web-server modules: Nginx, Apache/OpenLiteSpeed and understanding of the web-server architecture and workflow
• Experience with Coraza, ModSecurity
• Knowledge of Python and/or Go
• Experience in modifying/maintaining open-source projects
• Knowledge of Internet security basics

Benefits

• Focus on professional development
• Interesting and challenging projects
• Fully remote work with flexible working hours
• 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
• Opportunity to receive a reward for the most innovative idea that the company can patent