Senior Software Engineer

The Microsoft Windows & Devices (W+D) team is seeking a Senior Software Engineer to join the Windows Silicon & System Integration (WSSI) team. This role focuses on validating on-device AI models and experiences across Windows platforms and silicon partners, ensuring quality, performance, and reliability across diverse hardware configurations including CPU, GPU, and NPU architectures.

Responsibilities

• Lead validation of on-device AI models and experiences.
• Evaluate model accuracy, performance, power, scalability, and functional correctness.
• Develop and maintain validation frameworks, automation infrastructure, and performance analysis tools.
• Build solutions for benchmarking AI workloads across execution environments.
• Analyze telemetry and validation data to identify regressions and optimization opportunities.
• Collaborate with AI researchers, platform engineers, and silicon partners to deploy new AI capabilities.
• Design automated quality gates and drive root-cause analysis for performance and reliability issues.
• Mentor engineers and establish best practices for responsible AI use.

Required Qualifications

• Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related technical field.
• 8+ years of software engineering experience in systems, platform, validation, AI/ML infrastructure, or performance engineering.
• Strong programming skills in C++, C#, or Python.
• Experience developing automation frameworks and large-scale test systems.
• Strong debugging and problem-solving skills for complex system-level issues.
• Experience with AI/ML model validation, benchmarking, or deployment.
• Familiarity with Windows AI, ONNX Runtime, DirectML, Windows ML, and model optimization techniques.
• Knowledge of performance, power, thermal, or scalability analysis methodologies.
• Experience working with silicon vendors or platform engineering teams.

Additional Requirements:

• Ability to meet Microsoft security screening requirements, including a Microsoft Cloud background check.
• Work mode is 3 days per week in-office.