Maintain, debug, and enhance a highly customized product derived from open-source components.
Perform system-level programming, ensuring stability, security, and performance across platforms.
Customize and extend open-source components such as OpenSSH and Unix/Linux authentication modules.
Collaborate closely with a globally distributed team across New York, Canada, India, and London.
Contribute to enterprise-grade, change-controlled development processes.
Support migration of legacy code (Perl) to modern Python implementations.
Assist in documenting and improving development practices for long-term product sustainability.
Provide technical expertise to troubleshoot complex, business-critical issues.

Strong Unix/Linux system programming experience with hands-on C development.
Skilled in writing and debugging multithreaded, system-level code.
Experience with enterprise software lifecycles, including change control and release management.
Familiarity with open-source projects and comfortable customizing or extending them.
Detail-oriented with a strong ownership mindset and problem-solving skills.
Comfortable collaborating with globally distributed teams.

Why we think you will love working here:
With us you count as a person, our doors are always open.
We live the Qualysoft Team Spirit and stand for transparency!
Fresh wind and new ideas are welcome, because standstill is a foreign word at Qualysoft.

Linux/Unix System Programmer, C Programming

Key skills