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Overview

The Infrastructure and Developer Platform (IDP) team within Microsoft Security plays a pivotal role in supporting the Defender suite by providing a foundational platform that simplifies service deployment, enhances security, and reduces operational costs. Positioned at the intersection of C/.NET SDK development and Kubernetes, this role is instrumental in enabling AI-driven development workflows across the Microsoft Threat Protection (MTP) organization. By streamlining infrastructure and developer tools, the IDP team empowers engineers to build and scale services more efficiently and reliably.

The Infrastructure and Developer Platform (IDP) team is a cornerstone of Microsoft’s security strategy. We are looking for a Senior Software Engineer to help us deliver the essential infrastructure that powers the Defender product suite. By offering robust tools and frameworks, IDP enables engineering teams to innovate rapidly while ensuring secure, reliable, and cost-effective service deployment. Leveraging cutting-edge technologies and best practices, the platform supports seamless operations and global protection for millions of users, reinforcing Microsoft’s leadership in cybersecurity.

Responsibilities

+ Own the C SDK: Design, build, and maintain extensible, maintainable .NET SDK abstractions for defining Azure resources and services; deliver intuitive, discoverable APIs that maximize developer productivity.

+ Code quality & reviews: Lead rigorous code reviews aligned to Microsoft and team standards; ensure diagnosability, reliability, maintainability, and adherence to proven patterns and best practices.

+ Diagnostics & telemetry: Apply structured logging, tracing, and telemetry to validate assumptions proactively and accelerate root-cause analysis.

+ Test strategy & automation: Define success criteria; author and evolve unit/integration/contract tests; maintain automation-first practices in CI/CD pipelines.

+ Architecture & design: Write design docs, validate hypotheses, and contribute to architecture proposals; ensure solutions meet security, privacy, and compliance expectations.

+ Reliability & on-call (DRI): Serve as DRI for SDK components; monitor health, respond within SLAs, reduce incident volume, and author postmortems.

+ Telemetry-driven iteration: Instrument SDK for usage, reliability, and performance; build dashboards and feedback loops to inform API design and roadmap.

+ Customer & partner feedback: Incorporate insights from Azure customers and partner teams; ensure continuous measurement of developer value and satisfaction.

Qualifications

Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

+ 4+ year(s) experience in commercial software development, including building, shipping, and operating reliable, distributed solutions and engaging in site-reliability engineering practices.

+ 1+ years of hands-on experience with Cloud and large distributed systems.

Additional or Preferred

+ Deep experience with infrastructure as code on Azure—using Terraform, Pulumi, CAPZ (Cluster API Provider for Azure), and Azure Service Operator to define, provision, and manage cloud-native infrastructure declaratively.

+ Bachelor's Degree in Computer Science

+ OR related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C, Java, JavaScript, Golang OR Python

+ OR Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in C

+ OR equivalent experience.

Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 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 $158,400 - $258,000 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. (https://careers.microsoft.com/v2/global/en/accessibility.html)