Senior Low-Level Windows Developer

Summary

Join Onebridge, a Marlabs company, as a Sr. Low-Level Windows Developer and contribute to the design, development, and maintenance of low-level Windows drivers and software. This remote role, based in Brazil, requires extensive experience in kernel-mode programming and Windows internals. Collaborate with a team of professionals in a fast-paced environment to ensure seamless integration with the Windows operating system. Troubleshoot and optimize driver performance for minimal resource consumption and maximum system stability. Guide junior developers and participate in code reviews to enhance team capabilities. This position offers the opportunity to work for a company recognized as a top Best Place to Work in Indianapolis.

Requirements

• 5+ years of hands-on experience in low-level Windows driver development with a deep understanding of kernel-mode programming
• Proficiency in programming languages such as Rust, C, and C++, with experience in Assembly
• Strong expertise in Windows Kernel-Mode Driver Framework (KMDF), Windows Driver Model (WDM), and User-Mode Driver Framework (UMDF)
• Experience with debugging tools such as WinDbg, Driver Verifier, and other Windows diagnostic utilities
• Strong written and verbal communication skills for documenting work and collaborating with internal teams and stakeholders
• This is a remote role, but candidates must be in Brazil

Responsibilities

• Design, develop, test, and maintain low-level Windows drivers for optimal compatibility and performance across various Windows versions (e.g., Windows 10/11, Server)
• Work closely with threat researchers, QA, and other developers to define and implement driver functionality and ensure effective integration
• Investigate and resolve driver-related issues, ensuring smooth interactions with hardware and the Windows OS without disrupting production environments
• Optimize driver performance for minimal resource consumption and maximum system stability, ensuring high standards of reliability
• Ensure driver compliance with industry standards and certifications (e.g., WHQL) while supporting security initiatives such as code signing and secure boot
• Provide guidance to junior developers, actively participate in code reviews, and share best practices to enhance team capabilities in driver development

Preferred Qualifications

Experience in Windows Device Security, including driver sandboxing, code signing, and Secure Boot, is a plus