Principal Software Engineer, CoreAI

Microsoft

Confirmed live yesterday High trust

Quick summary

Work type: On-site
Location: Redmond, WA
Salary: $142,800–$274,800 / yr
Posted: 32 days ago
Freshness: Confirmed live yesterday
Closes: Feb 6, 2027
Nearby: 99+ roles within 25 mi

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $200k

This role $209k

$127k most similar roles pay here $291k

This role pays more than 68% of similar roles. Most pay $174,600–$226,350 — the shaded band above. At the midpoint, this role pays about $209k 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 598 open roles on FindRole.

Listed pay typically runs $119,800–$234,700 across 586 roles with salary data.

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At a glance

TL;DR · Principal Software Engineer, CoreAI

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As a Principal Software Engineer, CoreAI, you will join the Agentic Core Services Team to build a cloud-native, distributed platform for developing, executing, and managing agentic applications at scale. You will be responsible for designing durable system architectures, defining product roadmaps, and ensuring live site excellence by managing large-scale distributed systems with high service-level agreements. Your daily work involves creating foundational infrastructure, programming models, and reusable building blocks to support multi-modal capabilities like text, audio, and video. To succeed in this role, you must possess extensive experience in coding with languages such as C, C++, C#, Java, JavaScript, or Python. You will solve complex problems regarding the development of autonomous, enterprise-grade AI agents while collaborating across teams to deliver cohesive end-to-end experiences within a sophisticated generative AI ecosystem.

What does a Software Engineer earn in Washington?

Median $202800 from 326 postings across 28 companies.

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Skills

Generative AI Distributed Systems Cloud-Native Python C# C++ Java JavaScript C System Architecture

What you'll do

Define and influence the product roadmap by aligning technical strategy with business goals and customer needs.
Design and evolve durable, scalable system architectures that balance long-term maintainability with short-term delivery.
Develop core platform components and reusable building blocks to accelerate team velocity and innovation.
Ensure seamless integration of features across the stack by collaborating with experience, SDK, and platform teams.
Gather customer feedback and demand signals to refine product messaging and evolution.
Manage large-scale distributed systems while maintaining high standards for reliability and performance.
Lead root cause analyses for live site incidents and implement systemic improvements to ensure service-level agreements.

What we're looking for

Bachelor's Degree in Computer Science or related technical field.
6+ years of technical engineering experience coding in languages such as C, C++, C#, Java, JavaScript, or Python.
Ability to pass Microsoft Cloud background checks and other required security screenings.
Master's Degree in Computer Science or related field and 12+ years of technical engineering experience (preferred).
Bachelor's Degree in Computer Science or related field and 15+ years of technical engineering experience (preferred).

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