Principal Applied Scientist, Experimentation Platform - CoreAI | Microsoft Careers

Microsoft

Actively hiring
US Posted 97 days ago Apply by Aug 24, 2026 $139,900$274,800 / year

At a glance

AI generated

TL;DR

As a Senior Applied Scientist at Microsoft’s CoreAI team, you will join the Experimentation Platform (ExP) to drive technical innovation in online experimentation methodologies and agent evaluations. Your daily tasks include collaborating with backend engineers, data scientists, SREs, and product managers to develop high-scale experimentation platforms that enable teams to ship better AI experiences faster. You will also work closely with designers and UI-experts to create clear dashboards for trustworthy decision-making. Essential skills include a deep understanding of advanced statistical methods, experience in agent-based architectures like MCP or A2A protocol, and expertise in scaling online experimentation platforms across complex ecosystems. This role demands a PhD plus 6 years of relevant industry experience, with a preference for thought leadership in product measurement strategy and proven success in creating scalable experimentation frameworks that uphold scientific rigor.

Skills

Python Java C# Azure Kubernetes Docker CI/CD Prometheus Grafana MCP A2A_protocol Azure_AI_Foundry PostgreSQL MySQL Redis Git Jenkins GitHub Swagger

What you'll do

  • Drive technical direction by translating applied research into production-quality features for high-scale experimentation platforms.
  • Advise cross-functional teams on adopting cutting-edge AI tools and methodologies to ensure rigorous scientific standards.
  • Develop advanced subject matter expertise in specialized tools, driving measurable business outcomes through experimentation initiatives.
  • Translate partner requirements into platform capabilities, reducing barriers for advanced experimentation across Microsoft.
  • Mentor less experienced team members by sharing technical knowledge and guiding career development.

What we're looking for

  • Bachelor's degree in a relevant field and 6+ years of related experience, or higher degrees with fewer years of experience.
  • Experience developing and deploying products through all stages from ideation to shipping.
  • Proven track record designing and scaling online experimentation platforms for high-velocity testing.
  • Demonstrated thought leadership in product measurement strategy and influencing senior leaders.
  • Expertise in agent-based architectures and frameworks, such as MCP or Azure AI Foundry.

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $199k
This role $207k
$124k most similar roles pay here $291k

This role pays more than 56% of similar roles. Most pay $177,250–$220,900 — the shaded band above. At the midpoint, this role pays about $207k versus about $199k for comparable roles.

Based on 240 similar postings.

Employer

About Microsoft

Microsoft Corporation is a global technology leader producing software, hardware, and cloud services including Windows, Office 365, Azure cloud platform, Xbox gaming, and Surface devices. Industry: Software & Cloud Computing

Microsoft currently has 534 open roles on FindRole.

Listed pay typically runs $119,800–$234,700 across 488 roles with salary data.

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