Senior/Principal Software Engineer - Growth...

• We're building AI-first engineering systems that power growth at Microsoft - designing, shipping, and scaling code that directly shapes how millions of developers experience and adopt AI.

• As a Growth Engineer in CoreAI, you'll sit at the intersection of product, engineering, and data, driving experimentation, learning velocity, and real business impact across world-class developer and AI products.

• This role is about shipping fast, learning faster, and scaling what works - all while upholding Microsoft's commitment to responsible, inclusive, and trustworthy AI., What** You'll **Do

• Own growth through engineering excellence and experimentation

• Design, ship, and iterate on growth experiments across acquisition, activation, engagement, and retention

• Build and evolve A/B testing frameworks, metrics, and tooling that raise experimentation quality and confidence

• Partner closely with Product, Data Science, Design, and Research to turn hypotheses into shipped learnings

• Use data and telemetry to guide decisions - from experiment design to rollout strategy

• Software engineering fundamentals with experience building, shipping, and operating production services or client applications

• Proficiency in designing scalable, reliable systems that support rapid iteration and experimentation

• Experience writing high-quality, maintainable code and owning services end-to-end in a live environment

• Ability to reason about performance, reliability, and correctness in high-traffic systems

• Experience supporting or driving experimentation (A/B testing) in production environments

• Understanding of experimentation quality, including guardrails, metrics selection, and rollout strategies

• Engineering mindset grounded in hypothesis-driven development and learning through iteration, + 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.

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

• 2+ years shipping A/B tests end-to-end in production (design * instrumentation * analysis * rollout), including improving experiment quality and guardrails

• 4+ years building and shipping high-availability features for multi-region, globally distributed systems (resiliency, failover, capacity planning)

• Demonstrated experience leaning heavily on AI to accelerate engineering velocity, including using AI tools to prototype, implement, debug, and iterate on production features

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.

Microsoft is a global technology company headquartered in Redmond, Washington. Our mission is to empower every person and every organization on the planet to achieve more. We develop, license, and support a wide range of software products, services, and devices that help individuals and businesses realize their full potential.

Our flagship products include the Microsoft 365 productivity cloud, Windows operating system, Azure cloud platform, and Dynamics 365 business applications. We are also a leader in areas such as artificial intelligence, cybersecurity, developer tools, and gaming through Xbox and Game Pass.

With operations in more than 190 countries and over 220,000 employees worldwide, Microsoft is committed to responsible innovation, inclusive economic growth, and sustainability. We work closely with governments, industries, and communities to ensure that technology serves the public good and helps address some of the world’s most pressing challenges.

As we celebrate our 50th anniversary in 2025, we continue to look forward—investing in AI, cloud, and quantum computing to shape the future of work, education, and society at large scale.