Principal Software Engineer, CoreAI

Microsoft

Confirmed live yesterday High trust

Hybrid

Quick summary

Work type: Hybrid
Location: —
Salary: $165,600–$296,400 / yr
Posted: 11 days ago
Freshness: Confirmed live yesterday
Closes: Feb 27, 2027

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $202k

This role $231k

$124k most similar roles pay here $315k

This role pays more than 82% of similar roles. Most pay $174,600–$228,950 — the shaded band above. At the midpoint, this role pays about $231k versus about $202k 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 598 open roles on FindRole.

Listed pay typically runs $119,800–$234,700 across 586 roles with salary data.

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At a glance

TL;DR · Principal Software Engineer, CoreAI

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As a Principal Software Engineer - CoreAI (Foundry Observability), you will join the Observability group to build core services that monitor, evaluate, and optimize AI agent performance. You will lead the design, development, and delivery of large-scale AI services and platforms while ensuring scalability, reliability, security, and performance. Your daily work involves end-to-end ownership of service architecture, implementation, deployment, and monitoring, alongside collaborating with cross-functional teams to align technical strategy with customer needs. You will drive innovation in observability, automation, and operational efficiency through reusable frameworks while mentoring engineers and leading code reviews. The role requires expertise in coding languages such as C, C++, C#, Java, JavaScript, Python, or Go. This position focuses on the specific domain of developing foundational platforms and programming models for generative AI applications within the Foundry environment.

What does a Software Engineer earn?

Median $197500 from 2196 postings across 133 companies.

See salary data

Skills

Generative AI Machine Learning Distributed Systems Python C# C++ Java Go JavaScript C Cloud Services Observability System Design Scalability Security Automation

What you'll do

Design, develop, and deliver large-scale AI services focused on scalability, reliability, security, and performance.
Manage end-to-end service ownership from initial architecture and implementation through deployment and monitoring.
Provide technical leadership for complex initiatives including architecture decisions and dependency management.
Drive innovation in observability, automation, and operational efficiency through reusable platforms and frameworks.
Champion engineering excellence by enforcing best practices in system design, testing, security, and code quality.
Mentor engineers and lead code reviews to foster a culture of high-quality engineering.
Engage with customers to gather feedback and resolve complex technical issues.

What we're looking for

Bachelor's Degree in Computer Science or related technical field is required.
8+ years of technical engineering experience coding in languages such as C, C++, C#, Java, JavaScript, or Python is required.
Ability to pass the Microsoft Cloud background check and other applicable security screenings is required.
A Master's Degree in Computer Science or related technical field is preferred.
12+ years of technical engineering experience with coding in C++, C#, Go, Java, or Python is preferred.
8+ years of experience designing and delivering highly available, large-scale cloud services and distributed systems is preferred.
4+ years of technical engineering experience with machine learning or Artificial Intelligence (AI) systems is preferred.

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