Principal Software Engineer, CoreAI Workload Engines

Microsoft

Quick summary

Work type
On-site
Location
Salary
$142,800–$274,800 / yr
Posted
81 days ago
Closes
Oct 4, 2026

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $180k
This role $209k
$127k most similar roles pay here $291k

This role pays more than 66% of similar roles. Most pay $142,849–$217,081 — the shaded band above. At the midpoint, this role pays about $209k versus about $180k for comparable roles.

Based on 240 similar postings.

Employer

About Microsoft

Microsoft Corporation is a global technology leader producing software, hardware, and cloud services including Windows, Office 365, Azure cloud platform, Xbox gaming, and Surface devices. Industry: Software & Cloud Computing

Microsoft currently has 622 open roles on FindRole.

Listed pay typically runs $119,800–$234,700 across 571 roles with salary data.

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At a glance

TL;DR · Principal Software Engineer, CoreAI Workload Engines

As a Principal Engineer on the CoreAI Workloads team at Azure, you will focus on optimizing inference engines for OpenAI and open-source models by implementing performance improvements across runtime, scheduling, and serving paths. Your daily tasks include running end-to-end experiments to measure and improve latency, throughput, availability, and cost, while also building experimentation capabilities that ensure safe and repeatable changes. You will work closely with the CoreAI data plane and compute teams to enhance inference serving architectures, tune GPU engines for state-of-the-art models, and extend AI infrastructure abstractions for elastic, heterogeneous environments. Key skills include proficiency in C++, Python, Kubernetes, and experience with high-performance networking and GPU-accelerated stacks like CUDA. This role demands expertise in large-scale production systems, performance analysis, and technical leadership to drive continuous improvements in Azure's global AI inference capabilities.

What you'll do

  • Optimize inference engines for OpenAI and open-source models by implementing performance improvements.
  • Build and use experimentation capabilities for large-scale AI inference to ensure quick and safe iterations.
  • Own serving availability and efficiency for Azure OpenAI Service workloads through tiered experimentation and multi-modal utilization.
  • Design and evolve inference serving architectures to improve utilization and latency using advanced techniques like disaggregated serving.
  • Extend AI infrastructure abstractions to support elastic, heterogeneous inference engines reliably at scale.

What we're looking for

  • Proven ability to design and operate large-scale production inference services.
  • Strong skills in performance analysis including benchmarking, profiling, diagnosing regressions.
  • Hands-on experience with Kubernetes for building and operating services.
  • Demonstrated technical leadership and cross-team architectural alignment.
  • Experience optimizing LLM inference in production environments.
  • Familiarity with GPU-accelerated inference stacks and high-performance networking.

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