Principal Full-Stack Software Engineer, AI Experiences, Copilot Engineering

Microsoft

Confirmed live yesterday High trust
Hybrid

Quick summary

Work type
Hybrid
Location
Mountain View, CA
Salary
$142,800–$274,800 / yr
Posted
10 days ago
Freshness
Confirmed live yesterday
Closes
Feb 28, 2027

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $201k
This role $209k
$127k most similar roles pay here $291k

This role pays less than 51% of similar roles. Most pay $184,987–$216,075 — the shaded band above. At the midpoint, this role pays about $209k versus about $201k 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.

Most-posted roles

View all roles at Microsoft

At a glance

TL;DR · Principal Full-Stack Software Engineer, AI Experiences, Copilot Engineering

As a Principal Full-Stack Software Engineer on the AI Experiences, Copilot Engineering team, you will build revolutionary experiences at the intersection of modality and intelligence. You will own features end-to-end from concept through production, creating breakthrough interactions across voice, vision, text, and action to make Copilot feel seamless and alive. The role involves collaborating with applied AI researchers to integrate cutting-edge model capabilities into products while rapidly shipping experiments and iterating based on usage. To succeed, you must possess full-stack fundamentals including React and TypeScript for the frontend, along with Python or similar languages for backend development. You will build scalable web APIs and services while navigating high ambiguity in loosely defined problem spaces. The work focuses on solving complex problems across the entire product stack to define how humans and AI live and work together.

What you'll do

  • Create breakthrough experiences that redefine what an AI companion can do.
  • Build across multiple modalities including voice, vision, text, and action.
  • Own features end-to-end from initial concept through production at scale.
  • Integrate cutting-edge model capabilities from applied AI researchers into user products.
  • Rapidly ship experiments and iterate based on usage data to improve experiences.
  • Solve complex problems that span across different team boundaries and product layers.

What we're looking for

  • Bachelor's Degree in Computer Science or related technical field and 6+ years of engineering experience.
  • Master's Degree in Computer Science or related technical field and 8+ years of engineering experience.
  • Bachelor's Degree in Computer Science or related technical field and 12+ years of engineering experience.
  • 6+ years of experience with full-stack fundamentals including React and TypeScript.
  • 6+ years of experience in Python or similar languages for backend development.
  • 6+ years of experience building scalable web APIs and services.
  • Proficiency in coding in languages such as C, C++, C#, Java, JavaScript, or Python.
  • Ability to work effectively in fast-paced environments with high ambiguity and loosely-defined problem spaces.

More like this

Similar roles

Full Stack ML Efficiency & Observability

Microsoft

161 days ago $119,800$234,700
Python JavaScript TypeScript React C++ C# Java HTML CSS Generative AI Data Modeling Data Engineering Visual Studio Code Web Performance Inference Capacity Management
6+ yrs exp Hybrid

Full Stack Engineer, Flight Software

SpaceX

Hawthorne, CA 10 days ago $125,000$160,000
Python C# Go Scala Java JavaScript Angular React Docker Kubernetes Terraform Ansible Puppet Apache Kafka RabbitMQ ActiveMQ PostgreSQL SQL Server Make Bazel Pants Buck Gradle pip npm
2+ yrs exp

Full Stack Software Engineer, Flight Software

SpaceX

Cape Canaveral, FL 7 days ago
Python C# Go Scala Java JavaScript Angular React Docker Kubernetes Terraform Ansible Puppet Apache Kafka RabbitMQ ActiveMQ PostgreSQL SQL Server Make Bazel Pants Buck Gradle pip npm
2+ yrs exp