About CloudLinux

CloudLinux is a global, remote-first company 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 increase operational efficiency. Every team member supports each other to ensure collective success. Learn more at https://cloudlinux.com/.

Job Opening: Go Developer / Security Researcher (ELS Team)

We are seeking a talented Go Developer / Security Researcher to join our Endless Lifecycle Support (ELS) team. ELS enables organizations to securely continue using Linux distributions and software languages that have reached end-of-life or no longer receive standard security support. We provide vulnerability patches for unsupported versions of CentOS, CentOS Stream, Ubuntu, Debian, Oracle Linux, PHP, Python, and the Spring software development framework. Discover more at https://tuxcare.com/endless-lifecycle-support/.

As a Go Developer / Security Researcher, you will be part of a dedicated research team responsible for delivering security patches, a critical component of our service. You will play a vital role in analyzing vulnerabilities and threats, backporting patches, and expanding coverage for supported applications and plugins.

Your Responsibilities:

• Analyze new security vulnerabilities in open-source Go applications and frameworks.
• Backport upstream patches to fix vulnerabilities in earlier versions.
• Research new trends in exploitation techniques and malware approaches, and develop mitigation strategies.
• Increase the coverage of supported Go applications and plugins, including components from the Kubernetes and cloud-native ecosystem.

Your work will directly impact the safety and credibility of millions of developers worldwide. We value attention to detail and a high standard of quality in all your endeavors.

Requirements

• Good knowledge of Go.
• 4+ years of relevant experience as a Software Developer, Security Researcher, or similar role.
• Proven experience in code testing (e.g., unit, integration testing).
• Experience with Git, Jenkins/Gitlab for CI/CD.
• Upper-intermediate or higher level of English.

Nice to Have:

• Understanding and knowledge of the security vulnerabilities life cycle.
• Experience with Kubernetes.
• Hands-on experience in researching vulnerabilities within Go applications.
• Experience contributing to or maintaining open-source Go or Kubernetes-related projects.

Benefits

• Focus on professional development.
• Interesting and challenging projects.
• Fully remote work with flexible working hours, allowing you to schedule your day and work from any location worldwide.
• Paid 24 days of vacation per year, 10 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.

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