Microsoft
AI & Machine LearningDirect employer career site

Principal Software Engineer

Location
Redmond, WA
Job type
Full-time
Level
Lead / Staff
Experience
6+ years
Education
Bachelor's degree
Listed
28 days ago

Skills & highlights for this role

  • security screening
  • deep learning frameworks
  • PyTorch
  • GPU kernel programming
  • model quantization

Also useful

  • Docker
  • Kubernetes
  • TensorRT-LLM
  • vLLM

About the role

Engage directly with key partners to understand, design, and implement complex inferencing capabilities for state-of-the-art deep learning models, driving innovations in AI infrastructure. Design and build robust, extensible and reusable frameworks that can support experimentation as well as production use-cases seamlessly.

Work with cutting-edge hardware and software stacks to deliver best-in-class inference performance while optimizing for cost, leveraging open-source projects to advance deep learning applications. Collaborate with external and internal teams to identify new areas for improvement and contribute to innovations that enhance model performance and deployment.

Discover/solve impactful technical problems, advance state-of-the-art technologies, and translate ideas into production. Developing internal tools to support the AI lifecycle, including experiment tracking, model versioning, and performance monitoring.

Create deep connections within our communities, focus on increasing representation, retaining, and growing our current team members, while fostering awareness and growth through an inclusive environment.

Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python These requirements include but are not limited to the following specialized security screenings: Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

2+ years of experience working with deep learning frameworks (e.g., PyTorch, OnnxRuntime, Tensorflow, vLLM, TensorRT-LLM). Experience in end-to-end system design and development, with some familiarity with MLOps. Experience with low-level GPU architecture, optimizations, kernel programming, model quantization. Knowledge and experience with Docker, Kubernetes, High-performance application development.

Technical leadership skills and ability to mentor early-in-profession engineers.

Read the original posting

From Microsoft's careers page, first listed on Rolev.ai on October 11, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

Rolev.ai is a job search and application tool for US job seekers. For this Principal Software Engineer role at Microsoft, it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.

  • See how you fit

    Openings from employer career sites are ranked against your whole resume—and searchable inside Claude, ChatGPT, and Cursor via Rolev.ai MCP.

  • Tailor without inventing

    Every change to your resume is checked against your original. New experience goes in only with your yes—zero fabricated claims.

  • Draft the full kit

    Tailored and Full Match resumes, role-specific cover letters, and answers to employer screening questions are prepared in seconds.

  • 1-Click Extension Autofill

    The Chrome extension fills the employer's Greenhouse, Workday, Lever, or Ashby form in 1 click. You review it and press Submit.

Common questions

Where is the Principal Software Engineer job at Microsoft located?

This Principal Software Engineer position at Microsoft is located in Redmond, WA. Always check Microsoft's application page for specific state eligibility or relocation policies.

What qualifications are required for Principal Software Engineer at Microsoft?

For the Principal Software Engineer role, Microsoft highlights 6+ years of relevant experience; a bachelor's degree; experience with deep learning frameworks, PyTorch, GPU kernel programming, model quantization. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Principal Software Engineer position at Microsoft?

This listing links directly to Microsoft's application page. You can apply directly on Microsoft's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.