# Member of Technical Staff - Principal Platform Engineer, Copilot Memory and Personalization

**Company**: Microsoft AI
**Location**: Mountain View
**Work arrangement**: onsite
**Experience**: senior
**Job type**: full-time
**Salary**: USD $139,900 – $274,800 per year
**Category**: Engineering
**Industry**: Technology

**Apply**: https://microsoft.ai/job/member-of-technical-staff-principal-platform-engineer-copilot-memory-and-personalization/
**Canonical**: https://yubhub.co/jobs/job_bf73000c-a1a

## Description

## Summary

Microsoft AI are looking for a talented Member of Technical Staff - Principal Platform Engineer, Copilot Memory and Personalization at their Mountain View office. This role sits at the heart of strategic decision-making, turning market data into actionable insights for a company that's revolutionising AI technology. You'll work directly with leadership to shape the company's direction in the AI market.

## About the Role

As a Principal Platform Engineer, you will design and build large-scale Copilot memory and personalization systems leveraging search, embeddings, retrieval, ranking, and Retrieval-Augmented Generation (RAG). You will apply subject-matter expertise in cross-product features, collaborating with appropriate stakeholders to drive project plans, release plans, and deliverables across multiple groups. You will hold accountability as a Designated Responsible Individual (DRI), mentoring engineers across products/solutions, working on-call to monitor system/product/service for degradation, downtime, or interruptions.

## Accountabilities

- Design and build large-scale Copilot memory and personalization systems leveraging search, embeddings, retrieval, ranking, and Retrieval-Augmented Generation (RAG).

- Apply subject-matter expertise in cross-product features, collaborating with appropriate stakeholders to drive project plans, release plans, and deliverables across multiple groups.

## The Candidate we're looking for

**Experience:**

- Bachelor’s Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.

**Technical skills:**

- Experience building and deploying machine learning or large language model (LLM) applications at scale.

- Experience designing and implementing large-scale embedding, retrieval, and ranking systems.

**Personal attributes:**

- Thrive in a fast-paced, collaborative environment and are comfortable making progress in ambiguity.

## Benefits

- Software Engineering IC5 – The typical base pay range for this role across the U.S. is USD $139,900 – $274,800 per year.

- Software Engineering IC6 – The typical base pay range for this role across the U.S. is USD $163,000 – $296,400 per year.

## Skills

### Required
- C
- C++
- C#
- Java
- JavaScript
- Python
- Machine learning
- Large language model (LLM) applications
- Embedding
- Retrieval
- Ranking

### Nice to have
- Experience building and deploying machine learning or large language model (LLM) applications at scale
- Experience designing and implementing large-scale embedding, retrieval, and ranking systems