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Windows Developer Jobs in Washington (NOW HIRING)

M9 Solutions

Windows CNE Developer

Arlington, VA

$180K - $250K/yr

M9 Solutions is seeking a Windows CNO Developer to work on-site in support of a government contract for a client located in Arlington, VA . An active TS/SCI with Full Scope Polygraph clearance is ...

M9 Solutions

Windows CNO Developer

Herndon, VA

$180K - $250K/yr

M9 Solutions is seeking a Windows CNO Developer to work on-site in support of a government contract for a client located in Herndon, VA . An active TS/SCI clearance is required. Responsibilities

M9 Solutions

Windows CNE Developer

Arlington, VA · On-site

$180K - $250K/yr

M9 Solutions is seeking a Windows CNO Developer to work on-site in support of a government contract for a client located in Arlington, VA . An active TS/SCI with Full Scope Polygraph clearance is ...

M9 Solutions

Windows CNO Developer

Herndon, VA · On-site

$180K - $250K/yr

M9 Solutions is seeking a Windows CNO Developer to work on-site in support of a government contract for a client located in Herndon, VA . An active TS/SCI clearance is required. Responsibilities

Legato, LLC

Windows CNO Developer (BZ)

Washington, DC · On-site

Windows CNO DeveloperinDulles, VA. Security Clearance Required: TS/SCI minimum What You Will Do: We are seeking a highly skilled CNO Developer with strong reverse engineering capabilities to support ...

Legato, LLC

Windows CNO Developer (BZ)

Washington, DC · On-site

Windows CNO Developer in Dulles, VA. Security Clearance Required: TS/SCI minimum What You Will Do: We are seeking a highly skilled CNO Developer with strong reverse engineering capabilities to ...

FiveTwelve

Windows CNO Developer

Hanover, MD · On-site

$5.25K/mo

(U) The candidate will join a team of engineers designing, developing, testing, and maintaining Windows CNO capabilities in support of the Customer's mission requirements. Requirements • (U ...

FiveTwelve

Windows CNO Developer

Hanover, MD · On-site

$5.25K/mo

(U) The candidate will join a team of engineers designing, developing, testing, and maintaining Windows CNO capabilities in support of the Customer's mission requirements. Requirements • (U ...

REDLattice

CNO Developer (Windows Kernel)

Dulles, VA

Perform reverse engineering of Windows binaries (both legitimate and malicious) to understand system behavior, exploits, or undocumented APIs. * Conduct vulnerability research and proof-of-concept ...

REDLattice

CNO Developer (Windows Kernel)

Dulles, VA · On-site

Perform reverse engineering of Windows binaries (both legitimate and malicious) to understand system behavior, exploits, or undocumented APIs. * Conduct vulnerability research and proof-of-concept ...

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How much do windows developer jobs pay per year?

As of May 31, 2026, the average yearly pay for windows developer in Washington is $152,866.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,600.00 and $181,200.00 per year, depending on experience, location, and employer.

What is a Windows Developer job?

A Windows Developer is responsible for designing, developing, and maintaining applications for the Windows operating system. They work with programming languages like C#, C++, and .NET to build desktop or UWP (Universal Windows Platform) applications. Their role includes debugging, optimizing performance, and ensuring compatibility across different Windows versions. Windows Developers may also integrate software with cloud services and databases, depending on project requirements.

What are the key skills and qualifications needed to thrive in the Windows Developer position, and why are they important?

To thrive as a Windows Developer, you need strong programming skills in languages such as C#, .NET, and C++, along with a solid understanding of Windows operating system architecture. Familiarity with development tools like Visual Studio, Windows APIs, and version control systems such as Git is typically expected, and certifications like Microsoft Certified: Windows Developer Associate can be advantageous. Excellent problem-solving abilities, teamwork, and clear communication are important soft skills in this role. These skills ensure high-quality, maintainable software solutions while enabling effective collaboration within development teams.

What are common challenges faced by Windows Developers and how can they be addressed?

Windows Developers often encounter challenges such as managing compatibility across different Windows versions, optimizing application performance, and debugging complex issues within the operating system environment. Staying up-to-date with frequent updates to the Windows platform and adhering to best practices for security and user interface design are essential. Collaboration with QA testers, UX/UI designers, and IT support teams helps in identifying and resolving issues more efficiently. Proactively participating in code reviews and leveraging available documentation and community resources can greatly assist in overcoming these challenges.
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Windows Developer jobs near you

Windows CNE Developer

M9 Solutions

Arlington, VA

$180K - $250K/yr

Other

Posted 12 days ago

Job description

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations that desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include IT Talent Solutions, Data Delivery & Analytics, Cyber Security, Cloud Migration, Applications and Infrastructure, Software Development, and Finance & Accounting.
M9 Solutions is seeking a Windows CNO Developer to work on-site in support of a government contract for a client located in Arlington, VA. An active TS/SCI with Full Scope Polygraph clearance is required.
Responsibilities
  • Design, develop, and maintain CNO/CNE capabilities targeting Windows systems.
  • Implement low-level functionality in C, interacting with Windows internals (WinAPI, processes/threads, memory management).
  • Debug, test, and harden capabilities for use in real-world operational environments.
  • Collaborate with operators, analysts, and fellow developers to refine and extend capabilities based on mission needs.
  • Document designs and implementations in a manner appropriate for secure, classified environments.

Required Skills and Qualifications
  • Active TS/SCI with Full Scope Polygraph clearance.
  • 3+ years of experience in CNO/CNE development, exploit development, or related offensive cyber work focused on Windows.
  • Strong C programming skills (systems-level or low-level development).
  • Solid understanding of Windows internals (APIs, processes, threads, memory, etc.).
  • Experience developing, debugging, and troubleshooting in Windows environments.
  • Experience with reverse engineering tools (e.g., IDA, Ghidra, x64dbg).
  • Background in vulnerability research, exploit development, or malware development.
  • Scripting experience (Python or similar) for tooling and automation.

Full-Time Employee Compensation
  • M9 Solutions' pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include, but are not limited to, responsibilities of the position, education, experience, knowledge, skills, abilities, as well as internal equity, location, alignment with market data, applicable bargaining agreement (if any), or other law.
  • M9 Benefits -

Salary Range
$180,000 - $250,000 USD
M9 Solutions, LLC (M9) is a Federal sub-contractor and we comply with all applicable federal laws prohibiting discrimination in employment, including Title VII of the Civil Rights Act of 1964. We also adhere to the affirmative action requirements of the Vietnam Era Veterans' Readjustment Assistance Act (VEVRAA) and Section 503 of the Rehabilitation Act, ensuring equal opportunity for veterans and individuals with disabilities. Please click to complete M9's Voluntary Self-Identification Form and then email it to . If you need accommodation during the application process or encounter difficulties using our website, please contact our Human Resources Department at or
M9 Solutions is a proud participant in the Virginia Values Veterans (V3) program and supports the Military Medics and Corpsmen (MMAC) initiative, demonstrating our commitment to hiring and supporting veterans, transitioning service members, military spouses, and dependents.
With 15+ years of proven delivery and growth, M9 Solutions is a unique small business with credible past performance and key capabilities offering project management services, solution architects, business analysts, program managers, technical architects, and technical consultants. M9 was recognized as an Inc. 5000 Fastest-Growing Private Companies in 2021, 2020, 2019, 2018, 2017, 2016, and 2012. M9 Solutions believes that work should be fun, rewarding, and something everyone can be excited about. We offer a competitive compensation package and value diverse perspectives in driving the vision of the company.
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