Technical Architect

Mphasis; Texas; On-site; USD 140,000 - 190,000; Full time

Job summary

Mphasis in Spring, USA is seeking a Senior/Lead Windows Device Driver, Firmware & Application Developer with deep expertise in C/C++, Windows Internals, and driver development. You will design and implement Windows applications, device drivers, and firmware tools across x64 and ARM64/ARM64EC, and lead efforts to port software to new Windows versions.

The role emphasizes debugging, certification support (HLK/WHQL), driver signing, and collaboration with firmware, hardware, QA, and security teams.

Qualifications

• 12-16 years of hands‑on software development on Windows.
• Expert proficiency in C/C++ with C++14/17 knowledge.
• Experience with Qt, Win32 API, MFC for Windows apps.
• Strong Windows Internals understanding (processes, threads, services, registry, UAC).
• Proficient in Windows Device Driver development using WDF/KMDF/UMDF.
• Experience with BIOS/Firmware update and recovery tools.
• ARM64/ARM64EC experience incl. Windows on ARM and porting.
• Knowledge of WMI and Windows device/firmware management.
• Experience with HLK/WHQL certification, driver signing and release.
• Strong debugging with Visual Studio, WinDbg, TraceView, ETW.

Responsibilities

• Design and implement Windows apps, device drivers, and firmware tools.
• Develop and enhance Qt-based UI apps and integrate with Windows components.
• Maintain KMDF/UMDF/WDF drivers and support x64 and ARM64 platforms.
• Implement firmware/BIOS update and recovery functionality.
• Utilize WMI for device and firmware management.
• Analyze and resolve complex issues via root-cause analysis and debugging.
• Support HLK/WHQL certification and drive certification resolutions.
• Manage driver signing, packaging, and product releases.
• Lead porting to new Windows versions, VS/SDK/WDK updates, and hardware architectures.
• Ensure security compliance and perform code/design reviews.
• Collaborate with firmware, BIOS, hardware, driver, QA, security, and release teams.
• Provide technical guidance and mentoring in C++, Windows Internals, and ARM.
• Participate in Agile/Scrum planning, estimation, and reviews.

Skills

C/C++

Windows Internals

Qt

Win32 API

MFC

KMDF/UMDF/WDF

ARM64/ARM64EC

WMI

HLK/WHQL

Visual Studio

WinDbg

ETW

UWP/C#

Education

Bachelor of Engineering (Computer background preferred)

Tools

Visual Studio

WinDbg

TraceView

ETW

HLK/WHQL

Windows SDK/WDK

Job description

Job Description

Role: Senior / Lead Windows Device Driver, Firmware & Application Developer

Location: Spring, USA

We are looking for a Senior / Lead Windows Device Driver, Firmware & Application Developer with strong software development experience.

Technical Skills

• 12-16 years of hands‑on software development experience on the Windows platform.
• Expert proficiency in C/C++, with strong knowledge of C++14/C++17.
• Strong experience with Qt, Win32 API, and MFC for Windows application development.
• Strong understanding of Windows Internals, including processes, threads, services, registry, security, UAC, Plug and Play, and power management.
• Extensive experience in Windows Device Driver development using WDF, KMDF, and UMDF, including WDK, INF, device installation, I/O, and driver lifecycle.
• Experience developing BIOS/Firmware update and recovery tools.
• Hands‑on experience with ARM64/ARM64EC, including Windows on ARM and porting solutions across x64 and ARM architectures.
• Knowledge of WMI and Windows device/firmware management.
• Experience with HLK/WHQL certification, driver signing, packaging, and release processes.
• Strong debugging and troubleshooting skills using Visual Studio, WinDbg, TraceView, and ETW.
• Experience with Windows SDK/WDK, Visual Studio migration, and Windows platform upgrades.
• Good understanding of Windows security and secure coding practices.
• Exposure to UWP/C# is an added advantage.
• Experience working in Agile/Scrum environments with strong analytical, communication, and collaboration skills.

Roles And Responsibilities

• Design and implement Windows applications, device drivers, and firmware/BIOS tools based on product requirements and architecture.
• Develop and enhance Qt‑based UI applications and integrate them with Windows, driver, and firmware components.
• Design, develop, and maintain KMDF/UMDF/WDF device drivers.
• Develop solutions supporting x64, ARM64/ARM64EC, including Windows on ARM platforms.
• Implement and maintain firmware/BIOS update and recovery functionality.
• Utilize WMI and Windows management interfaces for device and firmware management.
• Analyze and resolve complex application, driver, OS, and firmware issues through root‑cause analysis and advanced debugging.
• Support HLK/WHQL certification, including investigation and resolution of certification failures.
• Manage driver signing, packaging, binary generation, and product release activities.
• Lead porting and migration to new Windows versions, Visual Studio/SDK/WDK versions, and hardware architectures.
• Ensure compliance with product security and Windows platform requirements.
• Conduct code reviews, technical design reviews, and unit/integration/regression testing.
• Collaborate with firmware, BIOS, hardware, driver, QA, security, and release teams.
• Provide technical guidance and mentoring to team members in C++, Windows Internals, driver development, debugging, and ARM platforms.
• Participate in Agile/Scrum activities, including planning, estimation, reviews, and technical discussions.

Behavioral Skills

• Result oriented and proactive team player
• Good in communication
• Interpersonal skills

Qualification

• Bachelor of Engineering (Computer background preferred)