Principal Software Engineer
Microsoft
Principal Software Engineer
Microsoft
Builds workplace software, PCs and cloud services
AI agents are transforming how organizations automate workflows, make decisions, and scale productivity. As agents increasingly reason, plan, and execute actions autonomously, they need secure, reliable, and governed connectivity to enterprise data, tools, and services.
Agent 365 is Microsoft’s unified control plane for AI agents, providing capabilities for agent registry, lifecycle management, access governance, observability, interoperability, and security. The WorkIQ-Infra team builds the foundational connectors and connection-management services that power Microsoft 365 Copilot, Agent 365, and Power Platform–based agents, workflows, and applications.
As a Principal Software Engineer, you will help shape and build the Agent Connectivity Platform, enabling agents to discover, authenticate to, and interact with enterprise and third-party systems. You will drive architecture, deliver production-quality code, and solve complex distributed-systems challenges across connectors, connection lifecycle management, authentication, and secure tool invocation.
This is a hands-on individual contributor role with technical influence across teams. Your work will directly impact how agents connect and operate across organizational boundaries—securely, reliably, and at global Microsoft scale.
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.
Drive architecture and technical direction for the Agent Connectivity Platform, translating complex requirements into scalable, secure, and maintainable designs.
Design, build, and operate core platform services spanning connectors, connection management, authentication, authorization, and agent access to enterprise and third-party systems.
Own delivery end to end, from requirements and design through implementation, testing, rollout, and production operations.
Partner with product managers, engineers, and stakeholders across Microsoft to define customer scenarios, resolve dependencies, and deliver shared platform capabilities.
Write high-quality, extensible code and raise engineering standards through design reviews, code reviews, and hands-on technical mentorship.
Lead by example in AI-first development, applying AI tools to accelerate implementation, testing, troubleshooting, and operations while maintaining quality and security.
Define success metrics and use prototypes, experiments, and production telemetry to validate designs, assess customer impact, and guide release decisions.
Build security, compliance, tenant isolation, and governance into platform architecture and connection lifecycles.
Serve as a Designated Responsible Individual (DRI), participate in on-call rotations, lead incident diagnosis and mitigation, and drive improvements that prevent recurrence.
Improve platform availability, reliability, performance, observability, and cost efficiency through engineering investments and operational learning.
Influence technical decisions across teams and share reusable patterns that simplify integration and improve the developer 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:
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.
Microsoft builds workplace software, operating systems and cloud infrastructure for consumers, businesses and government agencies, from small organizations to global enterprises. Microsoft 365 combines Word and Excel with Teams communication and Copilot AI features, while Windows runs PCs and Surface supplies the company's own computers. Azure rents computing capacity, storage and databases to build and run web applications. Microsoft also sells Xbox consoles and games, collecting revenue through software licenses, subscriptions, usage charges and product sales. Founded in 1975 by Bill Gates and Paul Allen, Microsoft is headquartered in Redmond, Washington.
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