Microsoft · 18 hours ago
Principal Applied Scientist
Redmond, WA
Full-time
Hybrid
Senior Level, Lead/Staff
$140K/yr - $275K/yr
6+ years expMicrosoft is seeking a highly motivated and technically skilled Applied Data Scientist to join the PAX team, focusing on innovation at the intersection of organizational intelligence, Generative AI, and Bizchat integration. The role involves leading efforts in prompt engineering, SEVAL, and Bizchat integration to deliver high-quality, scalable AI solutions.
Artificial Intelligence (AI)Enterprise SoftwareCloud ComputingCyber SecuritySoftwareProfessional ServicesInformation TechnologyAgentic AIApplication Performance ManagementBusiness DevelopmentDevOpsInformation ServicesManagement Information SystemsNetwork Security
Responsibilities
Bizchat Integration
Architect and implement data pipelines and APIs that connect PAX organizational datasets to Bizchat and Copilot experiences
Collaborate with platform teams to ensure seamless integration of PAX plugins and reasoning models into Bizchat workflows
Drive experimentation and tuning of Bizchat responses using PAX data, ensuring high answer rates and relevance across public and private attributes
Prompt Engineering
Design, test, and optimize prompts for LLM-powered agents and tools within Bizchat and Copilot Studio
Develop multi-turn conversational flows and agentic reasoning chains to support complex organizational queries
Collaborate with product and UX teams to refine prompt strategies for clarity, safety, and user satisfaction
SEVAL & Evaluation Frameworks
Build and maintain SEVAL pipelines to evaluate grounding, factuality, latency, and cost of AI responses
Lead efforts to expand SEVAL coverage for cross-org queries, dynamic attributes, and custom columns
Partner with engineering to implement telemetry and feedback loops for continuous model improvement
Qualification
Required
Bachelor's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research)
OR Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 4+ years related experience (e.g., statistics, predictive analytics, research)
OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ years related experience (e.g., statistics, predictive analytics, research)
OR equivalent experience
Ability to meet Microsoft, customer and/or government security screening requirements are required for this role
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
Experience with SEVAL or similar semantic evaluation systems
Prior work on conversational AI, NLP, or organizational analytics
Proven ability to work cross-functionally in fast-paced, ambiguous environments
Solid communication skills and ability to influence across teams
7+ years of experience in applied data science, machine learning, or AI product development
Solid proficiency in ML frameworks
Hands-on experience with LLMs, prompt engineering, and agentic workflows
Experience with evaluation frameworks and metrics-driven experimentation
Familiarity with Microsoft stack: Azure ML, Copilot Studio, Power Platform, and Bizchat APIs
Company
Microsoft
Microsoft is a software corporation that develops, manufactures, licenses, supports, and sells a range of software products and services.
10001+ employees
H1B Sponsorship
Microsoft has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
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Trends of Total Sponsorships
2025 (9192)
2024 (9343)
2023 (7677)
2022 (11403)
2021 (7210)
2020 (7852)
Funding
Current Stage
Public CompanyTotal Funding
$1MKey Investors
Technology Venture Investors
2022-12-09Post Ipo Equity
1986-03-13IPO
1981-09-01Series Unknown· $1M
Leadership Team
Satya Nadella
Chairman and CEO
Vukani Mngxati
Chief Executive Officer - Microsft South Africa
Recent News
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2026-01-16
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