Principal Software Engineer

Principal Software Engineer - Business & Industry Copilot
Dublin, Ireland
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Date posted
Jul 29, 2025
Job number
1851547
Work site
Up to 50% work from home
Travel
0-25 %
Role type
Profession
Software Engineering
Software Engineering
Employment type
Full-Time
Overview
Would you like to work on a product that uses the latest Microsoft AI technologies and a modern-work suite to help millions of users work better and faster together?
Do you enjoy working with teams that leverage AI to create fast and useful solutions for end-users?
The future of work is being redefined with AI agents acting as digital co-workers.
Microsoft is leading this transformation with M365, Copilot Studio, and Azure AI Foundry.
As part of this team, you will help build the Agent OS—an enterprise-grade solution that secures, governs, and manages AI agents with the same rigor and familiarity as human employees.
As a Principal Software Engineer, you will collaborate with a diverse multi-discipline, multi-site team delivering end-to-end solutions and end user experiences across the M365 ecosystem.
These experiences are built upon a highly scalable Azure service architecture, featuring a React-based UI that will delight our customers.
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.
Qualifications
- Bachelor's degree in computer science, or related technical discipline
- In-depth experience writing software in one or more high level language and frameworks including, but not limited to C++, C#, ASP.NET, Java, J2EE, Spring
- Experience working with large scale distributed SaaS architectures
Preferred Qualifications:
- Experience with Agent based architectures, frameworks and technologies (such as MCP, A2A protocol, Langchain, Azure AI Foundry)
- Experience with Microsoft 365 and Entra ID for identity and access management in enterprise environments
- Experienced in web application development frameworks, such as React
- Experience delivering a Cloud SaaS product on Azure, AWS or GCP
- Excellent communication and collaboration skills to work effectively across disciplines and partner teams
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:
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Responsibilities
This role demands a blend of artificial intelligence expertise and full-stack development skills to contribute to all phases of our product lifecycle, from conception to deployment.
You'll work closely with our product and design teams to deliver on the Agent OS vision.
- Design and implement core components of the Agent OS, including identity, provisioning, lifecycle management, and observability.
- Collaborate and partner with cross-functional teams to integrate the latest from Entra ID, M365, and other Microsoft technologies.
- Rapidly prototype and iterate on new ideas to stay ahead in the agent platform race
- Drive architectural decisions and technical strategy for Agent OS
- Conduct code reviews to ensure alignment with the team's and Microsoft's standards, delivering high quality, secure and scalable solutions.
- Provide technical leadership and guidance to a team of software engineers.
Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.
Industry leading healthcare
Educational resources
Discounts on products and services
Savings and investments
Maternity and paternity leave
Generous time away
Giving programs
Opportunities to network and connect
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 and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations .
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