OpenNash Jobs
Microsoft

Senior and/or Principal Software Engineer - Performance

United States, Multiple LocationsSenior individual contributorSoftware Engineering

Listed on Microsoft’s official careers site. Posted October 2, 2026. Check that it is still open and apply there.

Apply on Microsoft’s careers site →

Job description

As an Engineer on the team the common tasks of the job would include, but not be limited to:

  • Identify and drive improvements to end-to-end inference performance of OpenAI and other state-of-the-art LLMs
  • Optimize and monitor performance of LLMs and build SW tooling to enable insights into performance opportunities ranging from the model level to the systems and silicon level to improve customer experience and reduce the footprint of the computing fleet Enable fast time to market of LLMs/models and their deployments at scale by building SW tools that afford velocity in porting models on new

Nvidia and AMD GPUs

  • Design, implement, and test functions or components for our AI/DNN/LLM frameworks and tools Speeding up/reducing complexity of key components/pipelines to improve performance and/or efficiency of our systems
  • Communicate and collaborate with our partners both internal and external
  • Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

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.

Technical background and solid foundation in software engineering principles, computer architecture, GPU architecture, HW neural net acceleration Experience in end-to-end performance analysis and optimization of state of the art LLMs, including proficiency using GPU profiling tools Experience in DNN/LLM inference and experience in one or more DL frameworks such as PyTorch, Tensorflow, or ONNX Runtime and familiarity with CUDA, ROCm, Triton Cross-team collaboration skills and the desire to collaborate in a team of researchers and developers

More jobs at Microsoft

Principal Software Engineer

United States, Multiple Locations

Similar jobs at other companies

Principal Software Engineer - High Performance Computing

JPMorganChase · Palo Alto, CA, United States

Systems Engineer Principal – Mission Performance

BAE Systems · Aurora, Colorado, United States

Systems Engineer Principal – Mission Performance

BAE Systems · Broomfield, Colorado, United States

Principal Software Engineer – Mobile Software Architecture

Qualcomm · San Diego, California, United States of America

OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations.