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Open nowPosted 3 days ago

Windows Endpoint Security Developer

Hire Hangar113 open roles

Pay
$3,000 – $4,000 a month
Where
India - Mumbai
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Your applicationOpen nowWindows Endpoint Security DeveloperHire Hangar · India - Mumbai

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The clock on this job

Early applications get read.

10.5% of postings close within 7 days. Measured by our own scanner across the market. Hire Hangar postings stay open a median of 12 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.3%3 days
  3. 10.5%7 days
  4. 15.9%14 days
  5. 34.1%30 days
This job: posted 3 days ago

Hire Hangar median: 12 days open

The posting

Join Hire Hangar and work with fast-growing global companies while building a long-term career.

Job Title: Windows Endpoint Security Developer (C/C++ & Driver Development) Location | Remote Time Zone | US Time Zones (EST–PST)

Role Overview:

We are seeking a Windows Endpoint Security Developer with strong C, C++, and Windows driver development skills to help build an AI-focused endpoint protection platform. This is a full-time, hands-on engineering role. Your first focus will be building a Windows service that collects system, network, and process data to detect and respond to threats. The ideal candidate knows Windows internals well and enjoys building fast, reliable security software.

Key Responsibilities:

- Design and implement Windows endpoint services, including kernel-mode and user-mode modules

- Develop Windows drivers (WDM, KMDF, UMDF) to monitor file system, process, memory, and network activity

- Build features that drive efficient data collection focused on AI behavioral monitoring

- Implement secure hooks and filters using Windows Filtering Platform (WFP), minifilters, and ETW

- Collaborate with the team on threat research strategies and translate them into detection logic using endpoint telemetry

- Perform advanced debugging and troubleshooting across kernel and user mode using WinDbg, crash dump analysis, and Sysinternals tools

- Ensure compliance with Microsoft driver signing, PatchGuard, Secure Boot, and kernel security restrictions

- Optimize agent performance to minimize system impact while maintaining visibility and protection

- Participate in threat modeling, secure coding reviews, and internal security assessments

Required Qualifications:

- Experience working on Windows endpoint security products such as AV, EDR, DLP, firewall, or intrusion prevention (non-negotiable)

- Deep expertise in C, C++, and Windows driver development

- Strong understanding of Windows OS fundamentals and internals

- Experience with kernel-mode communication mechanisms (IOCTL, ALPC, shared memory)

- Proficiency with WinDbg, crash dump analysis, and Sysinternals tools

- Knowledge of Windows Filtering Platform (WFP), minifilters, and ETW

- Understanding of Microsoft driver signing, PatchGuard, and Secure Boot

- Experience with threat modeling and secure coding practices

- Strong written and spoken English with a clear, professional communication style

- Must have prior remote work experience, be fluent with remote collaboration tools and platforms (such as Slack, Zoom, Google Workspace, Asana, or similar), and have ideally worked with US or UK-based companies. Applications without this experience will not be considered.

Preferred Qualifications:

- Familiarity with cross-platform endpoint security (macOS/Linux)

- Experience building telemetry or behavioral analytics pipelines for threat detection

- Exposure to AI/ML-driven security products or monitoring AI agent activity

Tools & Technology:

- C and C++

- Windows Driver Frameworks (WDM, KMDF, UMDF)

- Windows Filtering Platform (WFP), minifilters, and ETW

- WinDbg and Sysinternals tools

- Slack, Zoom, and other remote collaboration tools

Please NOTE:

It is crucial that you complete the application form in full. As part of the application process, you will be required to record a video. If your application is successful, you will receive an email confirming next steps—the video is the first step of the interview process. If you do not record a video, we will not be able to consider you for ANY open roles.

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