Senior Software Engineer

Overview

Microsoft Ads 3rd Party Ads Solutions and Data Management Platforms is building the next innovative platform for AI-driven advertising. Our team empowers internal engineering teams through secure, scalable, and cost-effective on-prem and cloud infrastructure solutions. We are looking for a Principal Software Engineer who will help us maintain and evolve foundational Kubernetes and Azure platform capabilities that enable the Xandr on-prem to Azure migration to complete on time and ensure the resulting platform is stable, secure, and maintainable over the long term.

As part of the Platform Engineering team, you will partner with engineering teams, architects, and product groups to design, implement, and evangelize cloud and Kubernetes platform best practices, all while staying curious and open to trying new ideas.

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.

Starting January 26, 2026, Microsoft AI (MAI) employees who live within a 50-mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week. This expectation is subject to local law and may vary by jurisdiction.

Responsibilities

Leads Infrastructure Design and Architecture:

• Analyze and understand challenges in on-prem and Azure platform and infrastructure solutions. • Develop and build durable solutions for present and future states. • Own the technical approach to create and improve architecture. • Deeply understand evolving security risk, security research, and security tradeoffs associated with engineering patterns and approaches.

Guide cross-functional teams through architectural discussions and decision-making for solution components, including design, compliance, scaling, and cost considerations.

Develop and present architecture and design proposals: lead the testing and validation of hypotheses and proposed solutions.

Drive AKS enablement and workload onboarding: Support engineering teams transitioning to AKS by driving standardized onboarding tools, pipelines, Terraform modules, runbooks, and migration guides, and providing hands-on guidance.

Drive cross-cutting platform initiatives: Partner across teams to enable testing, workload certification, and migration programs and unblock adoption at scale.

Author Well-Designed, Scalable, Reliable Code:

• Author thoughtful, well-designed infrastructure code, including libraries for essential platform functions, proof-of-concept code, and bugs or foundational changes. • Effectively share findings from technical investigations.

Collaborate with Partner Teams: Collaborate with the broader product engineering and product teams to understand product and platform architecture and develop thoughtful infrastructure improvements.

Lead the creation of design documentation: determine appropriate technologies and their interactions. Facilitate and contribute to design discussions, ensuring alignment across teams and incorporating learnings from prior work.

Nurture Talent: Mentor other engineers throughout the design and testing process.

Embody our culture and values.

Qualifications

Required Qualifications:

• Bachelors 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

Preferred Qualifications:

• Masters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python • OR Bachelors 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, or Python • 4+ years of experience designing and delivering distributed systems or platform infrastructure, including significant experience in Microsoft Azure (or AWS/GCP with solid Azure proficiency) and Infrastructure as Code such as Terraform or Bicep. • Experience managing systems at scale-globally distributed, highly available, real-time, 24/7 environments-and operating platforms with solid reliability and security requirements. • Proficiency in modern software development practices, including CI/CD pipelines, code review, testing, and operational readiness, using languages such as Go, Python, or TypeScript. • Demonstrated ability to drive architectural direction across multiple teams, influence technical decisions, and translate ambiguous requirements into durable designs. • Excellent written and verbal communication skills, including explaining technical concepts to diverse audiences. • Hands-on experience deploying and operating AKS at scale, including networking, identity/workload identity, and secure cluster patterns using Fleet Manager. • Hands-on experience building and operating Terraform module ecosystems and platform onboarding toolchains.

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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

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.