Software Engineer II

Teams Phone is a foundational service within Teams, enabling customers to associate traditional phone service into the Teams product and collaborate with more devices and more coworkers. In highly regulated and mission-critical environments, these capabilities must be delivered with strict requirements for security, compliance, reliability, and operational excellence.

As a Software Engineer II, you will lead the design, development, and evolution of Teams Phone services that power critical communication experiences across sovereign, air-gapped, and compliance-sensitive environments. You will partner with engineering teams across Microsoft to deliver scalable, secure, and resilient distributed systems while enabling feature parity with Public Cloud offerings.

This opportunity will allow you to accelerate your cloud engineering expertise, develop deep knowledge of distributed systems and large-scale service operations, build advanced skills in automation, observability, incident management, and AI-powered operational tooling, as well as develop code-based engineering solutions across many services. You will gain end-to-end ownership experience across the service lifecycle while helping shape the future of supporting multiple services teams through automation, data-driven operations, and AI-enabled solutions.

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 Design, implement, and maintain clean, reliable, testable code using best practices and responsible AI-assisted development while escalating blockers early. Use AI tools responsibly across the SDLC, reviewing and validating AI-generated changes to ensure correctness and maintainability. Work with partner engineering teams, PMs, and experts (privacy, security, SRE) to understand requirements, apply customer feedback/telemetry, and deliver scalable, reliable, user-centric features. Build extensible, maintainable services and features with solid diagnosability, reliability, and production-readiness. Participate in on-call rotations, troubleshoot live-site issues using least-privileged access, and improve TSGs, telemetry, and fixes that reduce future incidents. Contribute to engineering and operational excellence through automation, tooling, documentation, and process improvements.

• Bachelor’s Degree in Computer Science or related technical field AND 2+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience., Security Clearance Requirements: Candidates must be able 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:
• The successful candidate must have an active U.S. Government Top Secret Clearance with access to Sensitive Compartmented Information (SCI) based on a Single Scope Background Investigation (SSBI) with Polygraph. Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. Failure to maintain or obtain the appropriate U.S. Government clearance and/or customer screening requirements may result in employment action up to and including termination.
• Clearance Verification: This position requires successful verification of the stated security clearance to meet federal government customer requirements. You will be asked to provide clearance verification information prior to an offer of employment.
• Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.
• Citizenship & Citizenship Verification: This position requires verification of U.S. citizenship due to citizenship-based legal restrictions. Specifically, this position supports United States federal, state, and/or local United States government agency customer and is subject to certain citizenship-based restrictions where required or permitted by applicable law. To meet this legal requirement, citizenship will be verified via a valid passport, or other approved documents, or verified US government Clearance, * Master’s Degree in Computer Science or related technical field AND 3+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor’s Degree in Computer Science or related technical field AND 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
• 1+ years technical experience working with large-scale cloud or distributed systems
• Experience operating or deep technical knowledge of PSTN telephony systems
• Experience building automation with Ansible and developing/operating CI/CD pipelines (e.g., Azure DevOps, GitHub Actions) to deliver reliable, repeatable deployments.

Software Engineering IC3 - The typical base pay range for this role across the U.S. is USD $102,100 - $202,200 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 $133,800 - $219,200 per year.