Senior​/Principal Software Engineer CoreAI

Position: Senior/Principal Software Engineer - Growth (CoreAI)
** Overview*
* ** About the Role*
* + 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.

** About*
* ** CoreAI*
* + CoreAI - Platform and Tools is Microsoft's AI‑first engineering organization, created to build the end‑to‑end Copilot & AI stack powering products like Git Hub Copilot and Visual Studio Code.

+ Our mission is to empower every developer to shape the future with AI, accelerating how AI applications are built, deployed, and improved at global scale.

** Why This Role Is Exciting*
* + This is not growth at the edges - this is growth at the core.

+ Build AI‑powered growth loops on world‑class products like VS Code and Git Hub

+ Operate inside a high‑velocity, AI‑first engineering organization where learning speed matters

+ Influence how hundreds of millions of users discover, adopt, and succeed with AI

+ Drive real business impact - measured, shipped, and scaled

+ Help define what responsible growth looks like in the AI organisation

** Our Culture & Values*
* + At Microsoft, how we build matters as much as what we build.

+ We are guided by our mission to empower every person and every organization on the planet to achieve more, and we show up every day with:

+ A growth mindset

+ Respect, integrity, and accountability

+ A commitment to inclusive, responsible AI that earns trust and benefits everyone

+ We believe diverse perspectives make our products - and our teams - stronger.

** Impact*
* ** You'll*
* ** Have*
* + Raise the bar for experimentation quality across CoreAI

+ Help define AI growth best practices for Microsoft

+ Turn learning into leverage - faster adoption, better experiences, measurable results

** Responsibilities*
* ** 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

+ Scale successful growth patterns across high‑traffic, global AI products

+ Balance speed and rigor in a fast‑paced, AI‑first engineering environment

** What We're Looking For*
* + 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

** Qualifications*
* ** Required 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.

** 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…