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Added 1 hour ago
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Principal Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
…Microsoft's AI experiences for decades to come. We are looking for Principal Software Engineer to join our…
Added 1 hour ago
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Principal Software Engineer(s) + Senior Software Engineer(s)
Microsoft
WA · Redmond, WA · Redmond
- $119,800 to $234,700 USD / year
We are hiring Principal Software Engineer(s) + Senior Software Engineer(s) across the teams led by David Weston and Pankaj Naik. Depending on the team, you may build large-scale security…
Added 2 hours ago
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Principal Software Engineer - Observability
Snowflake
Menlo Park, CA
- $264,000 to $379,500 USD / year
…them quickly. We’re looking for a hands-on, product-minded Principal Software Engineer I to help build an AI-driven observability platform, combining deep distributed-systems engineering…
Added 3 hours ago
O
Lead Principal Platform Software Engineer
Oracle
Nashville, TN
- $113,600 to $306,400 USD / year
We are seeking a Lead Principal Software Engineer to set long-term technical direction for the Robotics Automation Platform. You will lead architecture and technical delivery across…
Added 3 hours ago
Principal AI/ML Engineer - TS/SCI w/ Poly
Parsons Corporation
Baltimore, MD
Ready for a challenge that puts you at the center of AI innovation for cyber operations? Are you an experienced AI/ML engineer who thrives in a fast-paced environment, enjoys turning…
Added 8 hours ago
Principal Site Reliability Engineer
NVIDIA USA
CA
As a Principal SRE, you will shape the technical direction of NVIDIA’s AI Platform Runtime and lead reliability engineering initiatives spanning multiple organizations. You will solve…
Added 8 hours ago
AI Engineer 4 (AI Safety and Multimodal)
Capital One
San Jose, CA · McLean, VA · Cambridge, MA · NY
Lead cross-functional technical reviews for new AI system deployments, ensuring security, data governance, and compliance standards are met
Added 8 hours ago
AI Portfolio Solution Architect (Sr Stf)
Lockheed Martin
Virtual Three, TX
Experience serving as a technical lead, chief architect, solutions architect, or principal engineer for complex software, data, or AI-enabled systems.
Added 8 hours ago
Principal Forward Deployed Engineer
Workday, Inc.
CA · GA
As a Principal Forward Deployed Engineer on the Developer Platform FDE team, you’ll bridge hands-on agent engineering with high-impact customer technical strategy, taking on the most…
Added 8 hours ago
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Lead/Principal Solution Engineer - Life Sciences
Salesforce, Inc.
Remote, United States
- $134,750 to $231,980 USD / year
…strategic Enterprise Life Sciences accounts stands the Lead/Principal Solution…
Added 8 hours ago
Distinguished Engineer, AI Security Systems (Remote)
CrowdStrike
Austin, TX
We are seeking a Distinguished Engineer who has built AI and security systems that operate in the real world and stop real adversaries.
Added 10 hours ago
Principal Machine Learning Engineer
Cushman & Wakefield
Creve Coeur, MO
We are seeking a Principal ML Engineer to build and maintain artificial intelligence and machine learning systems for our business. This role combines deep technical execution with broad…
Added 11 hours ago
Senior Engineer - Semantic &
Cambia Health Solutions
Burlington, WA
Senior Engineer - Semantic & Agentic Intelligence
Added 12 hours ago
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Principal Platform Software Engineer - Oracle Health Data & Analytics
Oracle
Jefferson City, MO
- $105,900 to $234,600 USD / year
The OHDS team is looking for a Principal Software Developer to drive the data platform forward. In this role you will collaborate with software architects on system design, serve as the…
Added 12 hours ago
Principal Forward Deployed Engineer, Google Cloud
Ingram Micro Inc
Irvine, CA
We are seeking a Forward-Deployed Principal Services Engineer to work directly with enterprise customers to transform high-value AI use cases into scalable, production-grade solutions. This…
Added 12 hours ago
Senior Principal Services Architect, AI & Agentic Solutions (Google Cloud)
Ingram Micro Inc
Irvine, CA
…and reused across many customers and countries. The Senior Principal Services Architect ships real production software rather than proofs of concept, works end to end from discovery through…
Added 12 hours ago
O
Principal Platform Software Engineer - Oracle Health Data & Analytics
Oracle
Hartford, CT
- $105,900 to $234,600 USD / year
The OHDS team is looking for a Principal Software Developer to drive the data platform forward. In this role you will collaborate with software architects on system design, serve as the…
Added 13 hours ago
Senior Software Engineer - AI Engineering (Remote)
The Home Depot
Remote, United States
The Sr. Software Engineer – AI Engineering builds and ships generative AI agent experiences for Home Depot customers. The role also covers the React front ends customers use to reach those…
Added 15 hours ago
Senior Software Engineer - AI Engineering (Remote)
HOME DEPOT MANAGEMENT COMPANY, LLC
Remote, United States
The Sr. Software Engineer – AI Engineering builds and ships generative AI agent experiences for Home Depot customers. The role also covers the React front ends customers use to reach those…
Added 15 hours ago
Principal Architect – Smart Systems & AI Innovation
Quest Global
Greenville, SC · Schenectady, NY
As Principal Architect – Smart Systems & AI Innovation, you will define and drive the architecture for next‑generation digital tools and AI copilots that empower engineers to work smarter,…
Added 19 hours ago
Senior Staff Software Engineer, AI Telemetry and Developer Intelligence
Google
San Jose, CA
…computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing…
Added 1 day ago
Senior Principal Software Engineer (Python) – Founding Engineer - Seattle
Solvin AI
WA · Seattle, WA
…ground up for enterprise environments, with a deep focus on security, observability, and fine-grained…
Added 1 day ago
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Principal Software Engineer - AI Infrastructure
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
As a Principal Software Engineer on this team, you will own the architecture and technical direction of major components of the training platform and drive them from ambiguous problem…
Added 1 day ago
M
Principal Software Engineer
Microsoft
WA · CA · Redmond, WA · Mountain View, CA · Redmond · Mountain View
- $142,800 to $304,200 USD / year
We're looking for a Principal Software Engineer who likes the problems nobody has solved yet. You question assumptions and break ambiguous challenges into clear bets. You can find the root…
Added 1 day ago
M
Principal Software Engineer
Microsoft
BC, CA
- $142,400 to $257,500 CAD / year
As a Principal Software Engineer on the Copilot evaluation team, you will own the technical vision for a platform built AI-first and agent-first: one where autonomous agents are not only…

Microsoft

Principal Software Engineer

WA, United States
CA, United States
Redmond, WA, United States
Mountain View, CA, United States
Redmond, United States
Mountain View, United States

$142,800 to $304,200 USD / year

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Job details

Pay: $142,800 to $304,200 USD / year
Apply by: May 2, 2027
Posting language: English
Posted: Nov 3, 2026

Original job description

Overview

AI agents are becoming part of how every organization works, and someone has to build the platform they run on. That's us. The Agent 365 Foundation team builds the shared infrastructure behind Microsoft's agent platform. Agents across Microsoft 365, Dynamics 365, Power Platform and beyond are deployed, secured, scaled and governed on what we build. We take on hard distributed-systems problems at real scale, and our decisions affect thousands of services and millions of customers. We're looking for a Principal Software Engineer who likes the problems nobody has solved yet. You question assumptions and break ambiguous challenges into clear bets. You can find the root cause behind a messy, multi-service failure. You'll help set the technical direction for the foundation that Microsoft's agent ecosystem runs on. Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond. Team Specific Overview: The Agent 365 Shared Infrastructure & Foundation team builds the hosting, compute and platform services that agent workloads run on across Microsoft. We're building a fault-tolerant, cell-based architecture that lets teams ship fast, secure and compliant by default. Shared infrastructure gives us economies of scale. It also brings hard problems such as resource governance, noisy-neighbor isolation, multi-region expansion and sovereign-cloud boundaries. Our goal is 99.99% reliability for thousands of services, with best practices built in from day one. Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Responsibilities

Leverage AI to build agentic engineering loops.
Set technical direction. Own the architecture for core parts of the Agent 365 platform. Make the hard calls on trade-offs between scale, reliability, cost and speed, and take a long-term view.
Solve the hardest problems. Lead the toughest cross-service investigations in high-throughput, multi-tenant systems, from first signal to lasting fix. Use data and first-principles thinking rather than assumptions.
Build for scale and resilience. Design and deliver cell-based, fault-tolerant systems with Azure (AKS and related compute) that keep reliability, security and compliance high as we grow.
Raise the engineering bar. Set standards for design, code quality, testing and operational excellence, and lead by example through design reviews, incident retrospectives and hands-on work.
Lead across boundaries. Line up partner teams across M365, Dynamics 365, Power Platform and Azure on shared platform direction. Turn ambiguity into clear plans that teams can execute.
Grow engineers. Mentor senior engineers and help build a culture of curiosity, healthy debate and ownership.

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, or 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 thereafter.

Preferred Qualifications:

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.
Proven experience designing and operating large-scale distributed services or cloud infrastructure in production.
10+ years of experience building and running high-scale, multi-tenant cloud services.
Deep experience with Azure and container platforms such as AKS, Kubernetes or Service Fabric, and with reliability engineering at 99.99%+ availability.
A track record of setting technical direction across teams and solving ambiguous, cross-service problems through structured, data-driven thinking.
Solid communication skills, including explaining complex technical trade-offs clearly to engineers and leaders.

#CAP #Agent365 #A365

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

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.

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