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Added 15 days ago
H
Cloud Engineer / DevSecOps / CI-CD
Halvik
McLean, VA
- $145,000 to $170,000 USD / year
Halvik is seeking a Cloud Engineer / DevSecOps / CI-CD professional to support the U.S. Department of Transportation (DOT) Office of the Chief Digital & Information Officer (OCDIO) Digital…
Added 15 days ago
AI Engineer
Charles Schwab
Austin, TX
…capabilities across the Software Development Life Cycle, and the AI Engineer (individual contributor) offers a unique opportunity to be part of that transformation from the outset. As a…
Added 15 days ago
MES Engineer
Fortune Brands
New London, NC
Experience with Python, Microsoft SQL databases, HTML, Java, and Expression languages a must
Added 15 days ago
Staff Security Software Engineer
General Motors LLC
Remote, United States
We're looking for a seasoned Security Software Engineer to join our IAM team (Identity Access Management) to help develop, architect and advance our suite of applications and services. You…
Added 15 days ago
A/AI Machine Learning Engineering Sr Staff - Clearance Required
Lockheed Martin
Huntsville, AL · Huntsville
…Development, User Interface Development, Automated Testing, Cyber Security, and enhancing critical missile defense…
Added 15 days ago
Lead Software Engineer - SRE Cloud Engineer
JPMC page
Columbus, OH · Jersey City, NJ · OH
As a Lead Software Engineer at JPMorgan Chase within the Corporate Technology Finance and Risk Warehouse SRE Team, you will solve complex and broad business problems with simple and…
Added 15 days ago
Systems Engineer Stf - (Advanced Career Level)
Lockheed Martin
Orlando, FL · Orlando
Candidate must possess a DoD Secret level U.S
Added 15 days ago
AI Platform Engineer
Colgate-Palmolive Company
Piscataway, NJ
…code, test, review, deploy, and support production systems. The engineer turns enterprise architecture and governance requirements into reusable platform capabilities and standardized…
Added 15 days ago
Systems Engineer
Radiance Technologies, Inc.
Beavercreek, OH
We are seeking a highly qualified Systems Engineer to join a mission-focused team that designs, engineers, and sustains applications, services, microservices, Platform as a Service (PaaS),…
Added 15 days ago
Lead SRE Ops
JPMC page
Houston, TX
As a Lead Site Reliability Engineer at JPMorganChase within the Enterprise Technology (Infrastructure Platforms), you hold a leadership role on your team, demonstrate strong knowledge…
Added 15 days ago
Staff Product Security Engineer - AI
LinkedIn
Sunnyvale, CA
Lead threat modeling and adversarial red-teaming of AI systems, and maintain a LinkedIn AI threat taxonomy mapped to industry standards. Partner with security and platform teams to embed…
Added 15 days ago
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Software Engineering IC5
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
We are looking for a Principal Engineer with deep experience designing and operating high-throughput, multi-tenant cloud services, and a demonstrated ability to define end-to-end…
Added 15 days ago
Radar Signal Processing Engineer
LEIDOS, INC.
Arlington, VA · San Diego, CA
Today, Electronic Warfare (EW) is a growing enterprise - protecting the warfighter and our national security against ever-adapting threats. The Electronic Warfare Divison at Leidos…
Added 15 days ago
Principal Software Engineer, ML & Media Infra
Pinterest
Palo Alto, CA · San Francisco, CA
Strong systems programming and design skills in C++, Java, or Python.
Added 15 days ago
M
Principal Software Engineers (Commerce Platforms)
Microsoft
United States
- $142,800 to $304,200 USD / year
Candidates who live within 50 miles of Microsoft's Redmond campus will be required to work in the office 3 days per week
Added 15 days ago
M
Principal Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
…coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or…
Added 15 days ago
M
Principal Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
…coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or…
Added 15 days ago
Senior Solutions Consultant - Financial Services
Appian Corporation
Richmond, VA
…within modern development environments using languages such as Java, JavaScript, Python, C#, or C++, alongside database proficiency (SQL, HTML,…
Added 15 days ago
Senior Solutions Consultant - Financial Services
Appian Corporation
Charlotte, NC
…within modern development environments using languages such as Java, JavaScript, Python, C#, or C++, alongside database proficiency (SQL, HTML,…
Added 15 days ago
Senior Solutions Consultant - Financial Services
Appian Corporation
Boston, MA
…within modern development environments using languages such as Java, JavaScript, Python, C#, or C++, alongside database proficiency (SQL, HTML,…
Added 15 days ago
Sr. Manager, Security Engineer
Capital One
Richmond, VA
Experience in application security and software development in one or more programming languages such as Java, Python, JavaScript, etc.
Added 15 days ago
Principal Quality Engineer
FreedomPay
Remote, United States
We are seeking a Principal Quality Engineer to design and lead automated testing efforts for the products FreedomPay offers. This is a full-time salaried position. You will join a team of…
Added 15 days ago
Senior Cybersecurity Assessment Engineer
The Mitre Corporation
McLean, VA · Fort Meade - Annapolis Junction, MD · Windsor, MD
Must have an active Top Secret/SCI U.S Government issued Security Clearance
Added 15 days ago
Senior Solutions Consultant - Financial Services
Appian Corporation
NY
…within modern development environments using languages such as Java, JavaScript, Python, C#, or C++, alongside database proficiency (SQL, HTML,…
Added 15 days ago
Staff Software Engineer
Intuit
Mountain View, CA
Lead operational excellence to deliver highly available, scalable web applications and microservices with utmost attention to quality, security, and performance metrics for APIs and…

Microsoft

Principal Software Engineer

WA, United States
Redmond, WA, United States
Redmond, United States

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

Apply on apply.careers.microsoft.com About employer

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Job details

Pay: $142,800 to $304,200 USD / year
Apply by: Apr 26, 2027
Posting language: English
Posted: Oct 28, 2026

Original job description

Overview

The Microsoft 365 Copilot team is looking for a Principal Software Engineer to help shape the next generation of long-running agentic capabilities and multi-model experiences in Microsoft 365 Copilot. You will build systems that enable agents to carry out complex, multi-step tasks and power multi-model experiences such as Critique and Council. Your work will enable models to review each other’s outputs and bring different perspectives together, helping people reach well-grounded conclusions. The ideal candidate is a hands-on engineer and self-starter who thrives in a fast-paced, high-visibility environment and brings solid technical judgment, a data-driven mindset, and a passion for engineering excellence. You will take ideas from architecture to production, building scalable, reliable backend services that make long-running agents and multi-model experiences useful and dependable. Working with frontier models and collaborating closely with teams across Microsoft - including Microsoft Research, Azure, and MAI - you will turn emerging AI capabilities into meaningful customer experiences. You will own implementation, evaluations, shipping, and production reliability, pairing rapid iteration with rigorous engineering to deliver lasting customer impact. 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

Define technical strategy and architecture for long-running agentic capabilities and multi-model experiences in Microsoft 365 Copilot, translating direction into executable plans and measurable outcomes.
Build and own scalable distributed backend services powering experiences such as Critique and Council, remaining hands-on from design and implementation through shipping and production operation.
Define rigorous evaluation methodologies, offline benchmarks, and online experimentation frameworks to measure model and product performance, establish a high bar for quality, and guide data-driven iteration and release decisions.
Turn emerging AI capabilities into meaningful customer experiences, partnering across disciplines to clarify requirements, navigate ambiguity, and make sound technical tradeoffs.
Lead complex initiatives across teams and organizations, aligning stakeholders, defining interfaces and resolving dependencies, and balancing competing priorities.
Bring engineering best practices through mentoring, architecture and code reviews, reusable patterns, and maintainable software.
Champion responsible AI-assisted and agentic engineering, to improve dev agility, quality, learning, and speed.
Embody Microsoft’s culture and values, fostering inclusion, constructive collaboration, shared accountability, and continuous learning.

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 6+ years or bachelor’s degree in computer science AND 8+ years of technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
OR equivalent experience.
Experience designing, building, shipping, and operating large-scale distributed systems, cloud services, or complex production platforms.
Experience building production AI systems using large language models, retrieval-augmented generation, agent orchestration, tool integration, or model gateways.
Experience with AI evaluation and prompt management for production applications.
Demonstrated ability to lead complex technical initiatives, influence architectural decisions, drive engineering standards, and align teams across organizational boundaries through clear written and verbal communication.
Knowledge of Responsible AI and AI safety practices, including privacy, security, compliance, and data-governance requirements for enterprise AI systems.
Experience with modern AI and agentic engineering practices, including workflow automation and AI-assisted development.

#CAP #Copilot

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.

Apply on apply.careers.microsoft.com About employer

More about this job

Skills

Microsoft 365
Research
Microsoft Azure
Coaching
Computer science
C
C++
C#
Oracle Java
JavaScript
Python
Communication skills
Workflow

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Jobs in the United States