Senior C Developer (Cybersecurity)

TL;DR

Senior C Developer (Cybersecurity): Develop and maintain low-level system components and kernel-mode drivers for Windows environment with an accent on advanced debugging, system stability, and hardware-software interactions. Focus on designing kernel drivers, investigating BSODs, hangs, memory conflicts, and ensuring security in production systems.

Mandatory onsite start in Saudi Arabia for 1 month to collaborate with client teams, opportunity for remote work thereafter.

Company

Software development company delivering client projects including cybersecurity solutions, with offices across Europe, US, Middle East, and more.

What you will do

• Collaborate onsite with client teams in Saudi Arabia during initial phase.
• Develop and maintain low-level C system components.
• Design and implement kernel-mode drivers in Windows.
• Perform advanced debugging with WinDbg, including crash dumps and live troubleshooting.
• Investigate and resolve BSODs, hangs, memory conflicts.
• Handle hardware interaction, memory management, concurrency.
• Support build, test, deployment processes.
• Improve system stability, performance, and security.

Requirements

• Strong expertise in C and systems programming.
• Proven experience with Windows kernel/driver development.
• Deep knowledge of IRQL, interrupts, device stacks, memory-mapped I/O.
• Advanced WinDbg debugging skills for low-level issues.
• Experience troubleshooting production system issues.
• Willingness and ability to start onsite in Saudi Arabia for 1 month (mandatory).
• Good English communication skills (B1+).
• Strong problem-solving, ownership, clear communication.

Nice to have

• Familiarity with DevOps (CI/CD, IaC).
• Experience with Docker and reproducible environments.
• Understanding of OS internals and architecture.

Culture & Benefits

• Comfortable environment with flexible hours and remote opportunities.
• Holidays based on your country's calendar.
• Relocation options or work from company offices worldwide.
• Health insurance, sports compensation, partner discounts.
• Mentoring, knowledge sharing, English courses, all-hands meetings.
• Career pathway system, corporate events, anniversary gifts.

Hiring process

• Submit application form with CV for review and feedback.
• HR interview (30 min): discuss goals, experience, English level.
• Technical interview (1 hour) with team lead, possible challenge.
• Formal job offer with terms, salary, benefits upon success.