Principal Software Engineer - Microsoft Advertising

Microsoft Corporation • New York, NY • 1h ago

Overview

At the core of Microsoft Ads is a mission-critical, high-throughput real-time bidding (RTB) platform. It processes millions of auction requests per second, executes complex auction logic under strict latency constraints, and directly impacts revenue, win rate, partner satisfaction, and platform reliability.

This Principal Software Engineer role owns core architectural and technical evolution of the platform, focusing on modernization, performance, scalability and operational excellence. The position requires deep expertise in low-latency distributed systems, solid leadership in large-scale refactoring and platform modernization, and close collaboration across engineering, data science and business stakeholders.

The engineer in this role drives initiatives with company-level impact, ensuring our platform can continue to scale, evolve, and support future Microsoft Ads growth.

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.

AI Experiences employees who live within a 50- mile commute of a designated Microsoft Hub in the U.S. 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

Own technical direction and execution for core components, a high-scale, latency-sensitive real-time bidding service at the heart of Microsoft Ads.

Lead design and implementation of scalable, high-performance backend systems operating under strict latency and reliability requirements.

Drive platform modernization and long-term sustainability of critical services, improving code quality, maintainability, and operational safety.

Ensure performance, scalability, and stability of the service as traffic, data volume, and business requirements continue to grow.

Define and evolve instrumentation, observability, and experimentation capabilities to support data-driven decision making and safe production changes.

Collaborate closely with cross-functional partners (engineering, data science, experimentation, product, and infrastructure) to align technical solutions with business goals.

Provide technical leadership and mentorship, influencing architecture decisions and engineering best practices across teams.

Qualifications

Required Qualifications:

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.

Other Requirements:

Ability 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:

Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Preferred Qualifications:

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.

Experience working on high-throughput, production systems where scalability, latency, and stability are critical.

Demonstrated ability to design, evolve, and maintain complex systems over time.

Experience collaborating with cross-functional teams to deliver solutions aligned with business needs.

Problem-solving skills and ability to analyze and address performance or reliability issues in production environments.

Experience with real-time bidding systems, ad tech, or high-frequency decision systems.

Familiarity with experimentation platforms, A/B testing, or traffic shaping systems.

Experience working with ML-driven decision systems or integrating models into production pipelines.

Exposure to large-scale data processing or feature pipelines.

Experience with cloud environments and modern deployment practices.

AIX

Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 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 $188,000 - $304,200 per year.

Dow Jones & Co. • New York, NY • 23h ago

Sales & Marketing

Dow Jones & Co. Since 1882, Dow Jones has been finding new ways to bring information to the world's top business entities. Beginning as a niche news agency in an obscure Wall Street basement, Dow Jones has grown to b...

23h ago

Go to Apply

Director, Marketing

Disney Entertainment • New York, NY • 23h ago

Sales & Marketing

Job Requirements Director, Marketing | Disney Theatrical Group Disney Theatrical Group is home to some of the most beloved and successful productions in live entertainment. With iconic shows like THE LION KING, ALADDIN a...

23h ago

Go to Apply

Sales Development Representative

Cengage Group • New York, NY • 23h ago

Sales & Marketing

Ohio, USA United States Full time R2026-1383 We believe in the power and joy of learning At Cengage, our employees have a direct impact in helping learners around the world discover the power and joy of learning. We are...

23h ago

Go to Apply

Sales Coordinator

RAINBOW GEMS NY LLC • New York, NY • 1d ago

Sales & Marketing

Job Duties:- Coordinate customer orders by receiving, reviewing, and processing sales orders.- Communicate with customers regarding product availability, pricing, order status, and delivery schedules.- Prepare sales-rela...

1d ago

Go to Apply

Subscribe to get new jobs sent directly to you
(no charge, cancel anytime)