Software Engineer II (Backend)
 Microsoft | |
 United States, Washington, Redmond | |
 Oct 17, 2025 | |
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OverviewMicrosoft Teams is the fastest-growing product in Microsoft's history, empowering over 330 million users globally to connect and collaborate. The Teams Core Services team builds and operates the foundational backend systems that power these experiences - from global user communication to secure tenant separation and cloud compliance. As part of our team, you'll help build reliable, scalable services that support hyper-growth, specialized cloud environments, and enterprise-grade collaboration scenarios.As a Software Engineer II (Backend), you will design, develop, and operate backend services that scale to serve millions of users across diverse environments. You'll work on service fundamentals such as availability, performance, and resilience, while also participating in artificial intelligence (AI) assisted engineering efforts that improve developer workflows and productivity. This opportunity will allow you to expand your cloud systems expertise, contribute to a high-scale platform, and build alongside mentors in a collaborative, fast-paced environment.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.
ResponsibilitiesWrite clean, maintainable code and participate in code reviews to uphold service quality, performance, and resilience. Apply best practices for debugging, reliability, and observability.Collaborate with team members to design scalable backend components and microservices. Document design decisions and implement well-tested features aligned with service reliability and performance goals.Contribute to initiatives that improve developer workflows and service health through AI-driven diagnostics, automation, and tooling.Participate in live site operations through on-call rotations. Monitor system health, troubleshoot incidents, and contribute to root cause analyses and long-term reliability improvements.Work closely with engineers, technical program managers (TPMs), and stakeholders across different geographies to align on technical decisions, feature delivery, and integration points.Continuously improve your skills through mentorship, self-directed learning, and contributions to team-wide knowledge sharing and process refinement. | |