Principal Software Engineer, Foundry Agents - CoreAI

Microsoft

Confirmed live 2 days ago High trust

Quick summary

Work type
On-site
Location
Salary
$142,800–$274,800 / yr
Posted
128 days ago
Freshness
Confirmed live 2 days ago
Closes
Nov 2, 2026

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Salary context

Competitive pay

How this pay compares to similar roles

Similar $208k
This role $209k
$127k most similar roles pay here $291k

This role pays more than 50% of similar roles. Most pay $174,600–$241,562 — the shaded band above. At the midpoint, this role pays about $209k versus about $208k 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, Foundry Agents - CoreAI

As a Principal Software Engineer within the Foundry Agents team in CoreAI, you will build and evolve large-scale, cloud-native systems that support the entire lifecycle of advanced agentic applications. You will be responsible for developing foundational services for secure agent deployment at enterprise scale, integrating governed tools, and creating infrastructure for model fine-tuning, training loops, and deep observability. Your daily work involves designing distributed runtimes, optimizing complex interactions between models, data, hardware, and infrastructure, and driving technical direction across the software development lifecycle. To succeed in this role, you must possess expertise in programming languages such as C, C++, C#, Java, JavaScript, or Python. You will solve critical problems regarding how intelligent agent systems are built, operated, and trusted while ensuring high standards of performance, reliability, security, and compliance for production-ready platforms.

What does a Software Engineer earn?

Median $197500 from 2196 postings across 133 companies.

See salary data

What you'll do

  • Build and scale foundational services for secure agent deployment, execution, and governed tool integration.
  • Design distributed runtimes and cloud services that meet enterprise security and compliance standards.
  • Develop tools, abstractions, and automation to improve iteration loops for fine-tuning and evaluation.
  • Debug and optimize complex interactions between models, data, hardware, and infrastructure.
  • Drive technical direction and architectural decisions across the full software development lifecycle.
  • Implement secure-by-design practices and responsible AI principles at scale.
  • Lead engineering reviews and provide mentorship to raise the team's technical standards.

What we're looking for

  • Bachelor's Degree in Computer Science or a related technical field is required.
  • Candidates must have at least 6 years of technical engineering experience coding in languages such as C, C++, C#, Java, JavaScript, or Python.
  • A Master's Degree and 12+ years of experience or a Bachelor's Degree and 15+ years of experience are preferred qualifications.
  • Ability to pass the Microsoft Cloud background check is required for this role.
  • Candidates must be able to meet specific government security screening requirements.

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