Principal Software Engineer-Fullstack-CoreAI | Microsoft Careers

Microsoft

Quick summary

Work type: On-site
Location: Redmond, WA
Salary: $139,900–$274,800 / yr
Posted: 8 days ago
Closes: Nov 24, 2026

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $200k

This role $207k

$124k most similar roles pay here $291k

This role pays less than 56% of similar roles. Most pay $177,250–$222,000 — the shaded band above. At the midpoint, this role pays about $207k versus about $200k 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 728 open roles on FindRole.

Listed pay typically runs $119,800–$234,700 across 664 roles with salary data.

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At a glance

TL;DR · Principal Software Engineer-Fullstack-CoreAI | Microsoft Careers

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As a Principal Full Stack Software Engineer (UI Focused) at the Microsoft Foundry Agents Platform team within Microsoft Core AI, you will shape the end-to-end experience of our platform by integrating cutting-edge LLMs from providers like OpenAI and Anthropic. Your day-to-day responsibilities include leveraging modern AI-assisted development practices to accelerate delivery while maintaining high code quality, architecting full stack solutions that span user experiences through backend data layers, and developing software using TypeScript, JavaScript, React, and other languages. You will also design and maintain backend services and APIs supporting agentic workflows, collaborate with partner teams on AzureML capabilities, and integrate customer feedback to enhance the platform's robustness. The role requires expertise in React, Next.js/Remix, TypeScript, Node.js, and a passion for LLMs and GenAI technologies, as you work on high-impact AI products at scale.

Skills

React Next.js Remix TypeScript Node.js Azure LLMs AI-assisted development tools JavaScript CI/CD APIs SSR Web Components Performance optimization techniques AzureML

What you'll do

Lead the design and implementation of full stack solutions using React, TypeScript, and other modern technologies.
Develop and maintain backend services and APIs to support agentic workflows and platform capabilities.
Integrate cutting-edge LLMs from providers like OpenAI into the platform's user experience.
Accelerate software delivery by leveraging AI-assisted development tools while ensuring high code quality.
Collaborate with partner teams to enhance AzureML capabilities for enterprise automation.

What we're looking for

6+ years of experience in front-end or platform development using JavaScript, TypeScript, and React.
Deep understanding of modern front-end technologies like Next.js/Remix, SSR, Web Components, and performance optimization techniques.
Proficiency with AI-assisted software development tools to solve complex engineering problems efficiently.
Experience working on large-scale, UI-intensive product development projects.
Strong skills in architecting full stack solutions from user experience through backend data layers.
Passion for machine learning, artificial intelligence, and data science.

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