Software Engineering
About The Position
Join Microsoft Advertising's Billing Platform team and help power one of the company's most business-critical systems. Our platform manages the end-to-end financial lifecycle for advertisers, including revenue recognition, invoicing, payments, tax compliance, budget control, financial reporting, and large-scale billing operations across global markets. As a Principal Software Engineer, you will provide technical leadership for a distributed, mission-critical platform that processes billions of dollars in advertiser spend. You will drive architecture modernization, platform reliability, AI-powered operational excellence, and new monetization capabilities while partnering across Finance, CRM, Measurement, Payments, and Marketplace teams. 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.
Requirements
- Bachelor's 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 equivalent experience.
Nice To Haves
- Master'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, or Python OR Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
- Proven experience building large-scale distributed systems and cloud services.
- Solid system design and architectural leadership skills.
- Experience with financial systems, payments, billing, accounting, commerce, or enterprise platforms is highly desirable.
- Track record of driving cross-organizational initiatives and leading through influence.
- Passion for engineering excellence, operational rigor, and customer impact.
Responsibilities
- Lead the architecture and evolution of Microsoft's Advertising Billing Platform.
- Design and build scalable services supporting billing, invoicing, payments, tax, revenue recognition, and financial reporting.
- Drive platform modernization, cloud migration, and architectural simplification.
- Establish engineering excellence standards for reliability, observability, security, and operational readiness.
- Partner with product, finance, and engineering teams to deliver new monetization models and global compliance requirements.
- Leverage AI and automation to improve diagnostics, incident response, developer productivity, and customer support experiences.
- Mentor senior engineers and influence technical strategy across the Platform organization.
Benefits
- Certain roles may be eligible for benefits and other compensation.
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What This Job Offers
Job Type
Full-time
Career Level
Principal
