Madrid, Community of Madrid, Spain · Remote Solely
Entry level
We are seeking talented and motivated C Developer Interns to join our CloudLinux team. As an intern at CloudLinux, you will have the opportunity to gain hands-on experience in C development and contribute to the developm…
Skills: C, Linux, Git, Shell scripting, Kernel development
We are seeking talented and motivated C Developer Interns to join our CloudLinux team. As an intern at CloudLinux, you will have the opportunity to gain hands-on experience in C development and contribute to the developm…
Skills: C, Linux, Git, Shell scripting, Kernel development
We are seeking talented and motivated C Developer Interns to join our CloudLinux team. As an intern at CloudLinux, you will have the opportunity to gain hands-on experience in C development and contribute to the developm…
Skills: C, Linux, Git, Shell scripting, Kernel development
We are seeking talented and motivated C Developer Interns to join our CloudLinux team. As an intern at CloudLinux, you will have the opportunity to gain hands-on experience in C development and contribute to the developm…
Skills: C, Linux, Git, Shell scripting, Kernel development
We are seeking talented and motivated C Developer Interns to join our CloudLinux team. As an intern at CloudLinux, you will have the opportunity to gain hands-on experience in C development and contribute to the developm…
We are seeking talented and motivated C Developer Interns to join our CloudLinux team. As an intern at CloudLinux, you will have the opportunity to gain hands-on experience in C development and contribute to the developm…
CloudLinux is a global, remote-first company, the maker of the #1 OS for web hosting providers that powers over 80,000 production servers and 50 million websites worldwide. We are driven by our principles: do the right t…
Skills: C programming, Linux kernel, Debugging, GDB, Kernel ABI
CloudLinux is a global, remote-first company, the maker of the #1 OS for web hosting providers that powers over 80,000 production servers and 50 million websites worldwide. We are driven by our principles: do the right t…
Skills: C programming, Linux kernel, Debugging, GDB, Kernel ABI
Kernel Developer - KernelCare ELS team (fully remote, LATAM)
Callao, Callao, Peru · Remote Solely
Mid level
TuxCare offers a comprehensive portfolio of security solutions for Linux and open-source software designed for enterprise organizations. With TuxCare, companies can automate live vulnerability patching, minimize downtime…
Skills: C Programming, Linux Kernel Development, Patching, Backporting, Git
Kernel Developer - KernelCare ELS team (fully remote, LATAM)
Callao, Callao, Peru · Remote Solely
Mid level
TuxCare offers a comprehensive portfolio of security solutions for Linux and open-source software designed for enterprise organizations. With TuxCare, companies can automate live vulnerability patching, minimize downtime…
Skills: C Programming, Linux Kernel Development, Patch Backporting, Git, GNU Build Tools
Kernel Developer - KernelCare ELS team (fully remote, LATAM)
Callao, Callao, Peru · Remote Solely
Mid level
TuxCare offers a comprehensive portfolio of security solutions for Linux and open-source software designed for enterprise organizations. With TuxCare, companies can automate live vulnerability patching, minimize downtime…
Skills: C programming, Linux debugging, Linux kernel development, Patching, Backporting
Kernel Developer - KernelCare ELS team (fully remote, LATAM)
Bogotá, Bogota D.C., Colombia · Remote Solely
Mid level
TuxCare offers a comprehensive portfolio of security solutions for Linux and open-source software designed for enterprise organizations. With TuxCare, companies can automate live vulnerability patching, minimize downtime…
Skills: C Programming, Linux Kernel Development, Linux Debugging, Kernel Patching, Backporting
Kernel Developer - KernelCare ELS team (fully remote, LATAM)
Bogotá, Bogota D.C., Colombia · Remote Solely
Mid level
TuxCare offers a comprehensive portfolio of security solutions for Linux and open-source software designed for enterprise organizations. With TuxCare, companies can automate live vulnerability patching, minimize downtime…
Skills: C programming, Linux debugging, Linux kernel development, Patching, Backporting
Kernel Developer - KernelCare ELS team (fully remote, LATAM)
Bogotá, Bogota D.C., Colombia · Remote Solely
Mid level
TuxCare offers a comprehensive portfolio of security solutions for Linux and open-source software designed for enterprise organizations. With TuxCare, companies can automate live vulnerability patching, minimize downtime…
Skills: C Programming, Linux Debugging, Linux Kernel Development, Patching, Backporting
Security Engineer - Node.js Proactive Defense (worldwide remote, work anywhere)
Capital City of Prague, Prague, Czechia · Remote OK
Senior
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…
Skills: Node.js, JavaScript, Web Application Security, Runtime Protection, Exploitation
Security Engineer - Node.js Proactive Defense (worldwide remote, work anywhere)
Lisbon, Portugal · Remote Solely
Senior
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…
Skills: Node.js, JavaScript, Web Application Security, Runtime Protection, Exploitation
Security Engineer - Node.js Proactive Defense (worldwide remote, work anywhere)
Bucharest, Romania · Remote Solely
Senior
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…
Skills: Node.js, JavaScript, Web Application Security, Runtime Protection, Exploitation
Security Engineer - Node.js Proactive Defense (worldwide remote, work anywhere)
Madrid, Community of Madrid, Spain · Remote Solely
Senior
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…
Skills: Node.js, JavaScript, Web Application Security, Runtime Protection, Exploitation
Security Engineer - Node.js Proactive Defense (worldwide remote, work anywhere)
Sofia, Sofia-City, Bulgaria · Remote Solely
Senior
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…
Skills: Node.js, JavaScript, Web Application Security, Runtime Protection, Exploitation
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…
Skills: Node.js, JavaScript, Web Application Security, Runtime Protection, Exploitation
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Full-time
bachelor degree
Paid vacation, National holidays, Unlimited sick leaves, Private medical insurance, Co-working reimbursement, Gym and sports reimbursement
Posted 1d ago
~40 hrs/week
Remote in Osnabrück, Lower Saxony, Germany
Responsibilities
Interns will contribute to the Endless Lifecycle Support team by backporting security patches and ensuring the stability of Linux distributions. Responsibilities include writing clean code, participating in code reviews, and developing unit tests for system-level software.
Requirements
Candidates should have strong C programming skills, experience with Linux CLI, and familiarity with Git and shell scripting. Applicants must be final-year students or entry-level engineers with solid fundamentals in algorithms and data structures.
Full job description
We are seeking talented and motivated C Developer Interns to join our CloudLinux team. As an intern at CloudLinux, you will have the opportunity to gain hands-on experience in C development and contribute to the development of our innovative projects.
CloudLinux is a leading provider of Linux-based operating systems and security solutions for web hosting providers. Our products, including CloudLinux OS, KernelCare, and Imunify360, are used by thousands of companies worldwide.
We are currently looking for a C Developer Intern for one of our core teams:
Endless Lifecycle Support (ELS) – extending the life of Linux distributions beyond their official end-of-life by providing critical security patches and updates. Interns in this team focus on backporting, patching, and ensuring long-term stability across different environments.
In this role, you will have the opportunity to:
Work on real-world projects and contribute to the development of our products
Collaborate with our experienced development team and learn from industry professionals
Gain experience in writing clean, efficient, and maintainable code
Participate in code reviews and follow best practices
Learn how to write effective unit tests and ensure quality in software development
Get exposure to different areas of C development, including backend development and system programming
This is a remote internship opportunity, allowing you to work from anywhere and have a flexible schedule.
If you are a passionate individual interested in gaining practical experience in C development and contributing to meaningful projects, we would love to hear from you!
Apply now and kick-start your career with CloudLinux!
What we’re looking for:
Some C programming and debugging skills
Experience using Git for development and patch/branch management
Experience with GNU/Linux operating system (CLI) and shell scripting
Basic experience with building the Linux kernel and troubleshooting related issues
English proficiency at B1 level or above (you'll be communicating a lot in English, especially in writing);
Self-starter who’s hungry to learn;
Final-year student or entry-level engineer with strong basics;
Able to read and reason about C / systems code, reviewing and validating patches is central;
Solid fundamentals in algorithms and data structures;
Comfortable using AI coding assistants day-to-day; basic prompting and able to spot when the output is wrong;
Broad awareness of the current AI-assisted development landscape - different models for different tasks, common tooling (nice-to-have)
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 vacation, 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;
Learn AI-assisted development workflows across the full development lifecycle, from CVE research and backporting to code review
By applying for this position, you consent to the processing of your personal data as described in our Privacy Policy (https://cl.cloudlinux.com/candidate-privacy-notice), which provides detailed information on how we maintain and handle your data.
CloudLinux is the only commercially supported operating system (OS) optimized for hosting service providers who manage a significant level of shared hosting accounts and for datacenters who sell servers to enterprise and SMB customers.
Using technology that delivers increased server stability and higher density, CloudLinux delivers advanced resource management, better security and performance optimizations specifically targeted to a multi-tenant hosting environment.
Offices: 20791 Three Oaks Pkwy, Estero, Florida 33928, US · 2318 Louis Rd, Suite B, STE 107-378, Palo Alto, California 94303-3635, US
Linux OShosting service providersand cybersecurityLinuxSoftwareWeb Hosting
CloudLinux is the only commercially supported operating system (OS) optimized for hosting service providers who manage a significant level of shared hosting accounts and for datacenters who sell servers to enterprise and SMB customers.
Using technology that delivers increased server stability and higher density, CloudLinux delivers advanced resource management, better security and performance optimizations specifically targeted to a multi-tenant hosting environment.
Offices: 20791 Three Oaks Pkwy, Estero, Florida 33928, US · 2318 Louis Rd, Suite B, STE 107-378, Palo Alto, California 94303-3635, US
Linux OShosting service providersand cybersecurityLinuxSoftwareWeb Hosting