Sr. Windows Systems Software Developer

Onebridge, a Marlabs Company, is an AI and data analytics consulting firm that strives to improve outcomes for the people we serve through data and technology. We have served some of the largest healthcare, life sciences, manufacturing, financial services, and government entities in the U.S. since 2005. We have an exciting opportunity for a highly skilled Sr. Windows Systems Software Developer to join an innovative and dynamic group of professionals at a company rated among the top “Best Places to Work” in Indianapolis since 2015.

This is a remote role, but candidates must be in Brazil.

Sr. Windows Systems Software Developer | About You

As a Sr Windows Systems Sofware Developer, you are responsible for designing, developing, and maintaining low-level Windows drivers and software. You bring extensive experience working on complex system-level issues and ensuring seamless integration with the Windows operating system. You excel in a collaborative, fast-paced environment where your expertise in kernel-mode programming and Windows internals drives high-performance and secure product development. Your ability to troubleshoot, optimize, and innovate at the low levels of the Windows stack will be critical in ensuring the stability, security, and reliability of our products.

Sr. Windows Systems Software Developer | Day-to-Day

• 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.

Sr. Windows Systems Software Developer | Skills & Experience

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

A Best Place to Work in Indiana since 2015.