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Freelance Windows Kernel Developer Jobs (NOW HIRING)

ThreatLocker

Senior Kernel Software Developer

Orlando, FL · On-site

$50.75 - $67.25/hr

We are seeking a Windows Kernel Driver Engineer to build and maintain critical kernel-mode components for threat detection and prevention on Windows systems. Responsibilities : • Design and develop ...

Legato, LLC

Windows CNO Developer (BZ)

Washington, DC · On-site

Design, develop, and maintain low-level kernel-mode components, drivers, and subsystems for Windows platforms.Perform reverse engineering of Windows binaries (both legitimate and malicious) to ...

Legato, LLC

Windows CNO Developer (BZ)

Washington, DC · On-site

Design, develop, and maintain low-level kernel-mode components, drivers, and subsystems for Windows platforms. Perform reverse engineering of Windows binaries (both legitimate and malicious) to ...

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How much do freelance windows kernel developer jobs pay per hour?

As of Jun 1, 2026, the average hourly pay for freelance windows kernel developer in the United States is $22.97, according to ZipRecruiter salary data. Most workers in this role earn between $18.75 and $18.75 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Freelance Windows Kernel Developer, and why are they important?

A Freelance Windows Kernel Developer must possess deep knowledge of C/C++ programming, operating system internals, and Windows kernel architecture, often supported by a degree in computer science or related experience. Familiarity with tools like WinDbg, Visual Studio, and experience with kernel debugging, driver development, and Windows Driver Kit (WDK) are essential. Strong problem-solving skills, attention to detail, and effective independent communication set standout freelancers apart. These capabilities ensure the developer can deliver secure, high-performance kernel modules and troubleshoot complex system-level issues for clients.

What are some common challenges faced by freelance Windows Kernel Developers when working with clients remotely?

Freelance Windows Kernel Developers often encounter challenges such as obtaining sufficient access to client environments for debugging, ensuring confidentiality when handling sensitive code, and aligning with the client’s internal development workflows. Effective communication is crucial, as kernel development frequently involves troubleshooting low-level issues that may require detailed logs or real-time collaboration with other developers. Setting clear expectations around deliverables, timelines, and security protocols helps address these challenges and fosters a productive remote working relationship.

What is a Freelance Windows Kernel Developer?

A Freelance Windows Kernel Developer is an independent software engineer who specializes in developing, debugging, and maintaining software that operates at the Windows operating system kernel level. These professionals design drivers, system utilities, or security modules that require deep integration with Windows internals. Working as freelancers, they typically handle short-term contracts or projects for various clients, providing expertise in areas like kernel-mode driver development, kernel debugging, and performance optimization. Their work is crucial for hardware compatibility, system stability, and advanced software functionalities.
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Freelance Windows Kernel Developer jobs near you
Infographic showing various Freelance Windows Kernel Developer job openings in the United States as of May 2026, with employment types broken down into 3% As Needed, 11% Full Time, 49% Part Time, 3% Temporary, 31% Contract, and 3% Nights. Highlights an 17% Physical, 11% Hybrid, and 72% Remote job distribution, with an average salary of $47,772 per year, or $23 per hour.
Windows Developer

Windows Developer

Cohere Technology Group LLC

Herndon, VA • On-site

Full-time

Posted 4 days ago

Job description

Position Title: Windows Developer - Kernel & Reverse Engineering
Location: Arlington, VA or Herndon, VA
Clearance Required: Active ISA/TS (Top Secret) or higher
Position Overview:
We are seeking a highly skilled Windows Developer with expertise in kernel-level development and reverse engineering to join our advanced technology team in Arlington or Herndon, VA. This role is critical for designing, developing, and analyzing low-level Windows components to support national security and cyber defense missions.
Key Responsibilities:
  • Design and implement software components in the Windows kernel space.
  • Perform reverse engineering of binaries to identify functionality, vulnerabilities, or behaviors.
  • Collaborate with cybersecurity analysts, researchers, and fellow engineers to develop cutting-edge tools and capabilities.
  • Analyze undocumented OS behaviors and contribute to low-level system integration.
  • Write clean, efficient, and well-documented code following security best practices.

Required Qualifications:
  • Strong experience in Windows kernel development (e.g., drivers, low-level APIs, internals).
  • Solid reverse engineering skills using tools such as IDA Pro, Ghidra, WinDbg, etc.
  • Proficiency in C/C++ and experience with debugging and performance tuning.
  • Deep understanding of Windows OS internals and system architecture.
  • Active ISA/TS clearance or higher (no exceptions).

Preferred Qualifications:
  • Experience with malware analysis, exploit development, or vulnerability research.
  • Familiarity with secure coding practices and hardened system development.
  • Background working in national security, defense, or intelligence domains.

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