Principal Software Engineer, Foundry Agents - CoreAI

Posted 4 Days Ago
Be an Early Applicant
2 Locations
In-Office
143K-331K Annually
Senior level
Software • Quantum Computing • Metaverse • Infrastructure as a Service (IaaS)
The Role
Design, build, and scale cloud-native distributed systems and runtimes to deploy, run, fine-tune, and observe enterprise AI agents. Drive architecture, optimize model/infrastructure interactions, improve developer iteration tooling, enforce secure-by-design practices, and mentor engineering teams to deliver production-ready agent platforms.
Summary Generated by Built In
Overview

Microsoft Foundry is building the foundational platforms that power the next generation of intelligent agents and generative AI systems. Within CoreAI, the Foundry Agents organization is responsible for key ownership areas across the endtoend agent lifecycle: (a) Foundry Agents platform to deploy and run agents securely at enterprise scale with seamless integration with governed tools, (b) model finetuning to train and improve agentic performance, and (c) Foundry observability to generate insights from agentic traces and continuously evaluate and optimize agents. 

As a senior engineer within Foundry Agents, you will help build and evolve largescale, cloudnative systems that span the full lifecycle of advanced agentic applications — from secure enterprise deployment and governed tool integration, to finetuning and training loops, to deep observability, evaluation, and optimization in production. Your work will directly shape how developers and enterprises build reliable, autonomous, and highimpact AI agents. 

You will operate at the intersection of distributed systems, AI infrastructure, and developer platforms, owning architectural decisions for complex systems that must meet the highest standards of performance, reliability, security, and compliance. This role requires deep technical judgment, strong systems thinking, and the ability to translate evolving customer, developer, and research needs into durable platform capabilities. 

 


Responsibilities

Across the organization, you will: 

  • Build and scale foundational services that power secure agent deployment and execution, governed tool integration, training/finetuning, and observability/evaluation 

  • Design and evolve distributed runtimes and cloud services to run agents securely at enterprise scale with strong reliability, security, and compliance guarantees 

  • Improve iteration loops for researchers, engineers, and developers through better tooling, abstractions, and automation across finetuning, evaluation, and optimization 

  • Debug and optimize complex interactions across models, data, hardware, and infrastructure 

  • Drive technical direction across the full software development lifecycle, influencing design tradeoffs and long‑term architecture 

  • Champion operational excellence, secure‑by‑design practices, and responsible AI at scale 

  • Collaborate closely with partner teams across CoreAI and Azure to deliver seamless, production‑ready platforms 

As a senior technical voice, you will raise the engineering bar through strong design principles, rigorous reviews, mentorship, and influence across teams. Ultimately, your work will help define how intelligent agent systems are built, operated, and trusted — shaping how the world interacts with AI. 

Microsoft’s mission is to empower every person and every organization on the planet to achieve more. We bring that mission to life through a culture that values growth mindset, diverse perspectives, and continuous learning. Join us and help build the platforms that will define the future of AI‑powered software. 


Qualifications
Required Qualifications: 
  • 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, Python or equivalent experience. 
Other Requirements: 
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings:
  • Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years
 
Preferred Qualifications:
  • Master'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 Bachelor's Degree in Computer Science or related technical field AND 15+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay

Software Engineering IC6 - The typical base pay range for this role across the U.S. is USD $165,600 - $296,400 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $220,800 - $331,200 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay


This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.



Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

Skills Required

  • Bachelor's Degree in Computer Science or related technical field
  • 6+ years technical engineering experience with coding in C, C++, C#, Java, JavaScript, or Python (or equivalent experience)
  • Ability to meet Microsoft, customer and/or government security screening requirements
  • Pass Microsoft Cloud background check upon hire/transfer and every two years
  • Experience building distributed systems, cloud-native services, and AI infrastructure (deployment, runtime, observability, fine-tuning)
  • Master's Degree in Computer Science AND 12+ years engineering experience OR Bachelor's Degree AND 15+ years engineering experience (or equivalent)
  • Experience with secure-by-design practices, enterprise-scale reliability, and responsible AI at scale

Microsoft Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Microsoft and has not been reviewed or approved by Microsoft.

  • Fair & Transparent Compensation Pay is presented as broadly competitive overall, with clear role/level/location variation and an emphasis on using posted ranges and band information for apples-to-apples comparisons.
  • Retirement Support Retirement benefits are described as a standout, highlighted by a strong 401(k) match structure and immediate vesting, plus additional plan features for tax-advantaged saving.
  • Parental & Family Support Family-oriented benefits are portrayed as a meaningful strength, with substantial paid parental leave and added supports like back-up care and adoption/surrogacy assistance.

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The Company
HQ: Redmond, WA
206,870 Employees
Year Founded: 1975

What We Do

At Microsoft, our mission is to empower every person and every organization on the planet to achieve more. Our mission is grounded in both the world in which we live and the future we strive to create. Today, we live in a mobile-first, cloud-first world, and the transformation we are driving across our businesses is designed to enable Microsoft and our customers to thrive in this world.

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