Kernel Developer – Patch Backporting and Builds
Location
Bulgaria
Posted
6 days ago
Salary
0
Seniority
Senior
Job Description
Kernel Developer – Patch Backporting and Builds
CloudLinux
• Investigate upstream security and bug fixes and identify their dependencies. • Backport Linux kernel patches to older RPM- and Debian-based distributions. • Resolve conflicts caused by differences between upstream and target kernel versions. • Build and rebuild kernel source and binary packages in reproducible environments. • Validate patched kernels through focused tests, build checks, and regression analysis. • Improve patch preparation, build, and validation workflows with Python, Go, or Shell. • Use agentic development tools responsibly and verify generated code, analysis, and documentation. • Document technical decisions and participate in code review with the kernel team.
Job Requirements
- Strong C programming and Linux debugging skills.
- Practical Linux kernel development, patching, or backporting experience.
- Confident use of Git, GNU build tools, and standard Linux development utilities.
- Experience building Linux kernels or distribution packages.
- Automation experience with Python, Go, Shell, or a similar language.
- Some experience with agentic or AI-assisted development and a clear approach to validating generated output.
- English at an intermediate level or higher, both written and spoken.
- Strong ownership, careful technical judgment, and readiness to explain trade-offs.
- Nice to Have: Experience with RPM/SRPM or Debian kernel packaging.
- Nice to Have: Security patching, CVE analysis, or extended lifecycle maintenance experience.
- Nice to Have: Familiarity with Docker, QEMU, Jenkins, or other CI systems.
- Nice to Have: Experience designing kernel tests or investigating core dumps and regressions.
Benefits
- 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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