The Principal Software Engineer will be part of the Copilot and Agents Core Platform team at Microsoft, focusing on building a scalable platform for intelligent agents within Microsoft 365. This role is crucial for shaping the architecture and development of the next-generation agent runtime, enabling long-running tasks and multi-agent collaboration. The team aims to empower developers to create and operate AI agents efficiently. The position requires a visionary leader with extensive experience in software engineering and a deep understanding of runtime architecture.

• Bachelor's Degree in Computer Science or a related technical field and 8+ years of technical engineering experience with coding in languages such as C, C++, C#, Java, JavaScript, or Python.
• Ability to meet Microsoft, customer, and/or government security screening requirements.
• 10+ years of experience in software engineering with a focus on distributed systems, runtime architecture, or platform engineering is preferred.
• Proven track record of technical leadership at scale, ideally in runtime or orchestration systems.
• Solid coding skills in C#, C++, or equivalent systems-level languages.

• Architect and evolve the core runtime infrastructure to support agent-to-agent and multi-agent protocols.
• Design and implement scalable orchestration patterns for agent collaboration, including delegation and shared memory contexts.
• Partner with cross-functional teams to ensure runtime stability, performance, and security.
• Drive innovation in agentic patterns such as proactive agents and dynamic skill selection.
• Contribute to the platform roadmap and influence long-term technical strategy.

• Employees at Microsoft are often offered comprehensive, “world-class” benefits—including health and mental-wellness programs, competitive pay with bonuses and stock awards, and retirement/savings options. Time-off and flexibility are common, with generous vacation and holidays, parental and caregiver leave, and flexible work schedules, alongside learning support, employee resource groups, product discounts, and matching-gifts/volunteering programs. Specific benefits can vary by region.