CareerPlanSign in

Principal AI Platform Engineer - AI Experiences, Copilot Engineering

United States, California, Mountain View💼 Full-time🗓 2026-08-17 → 2026-09-25

Core

Build secure, performant AI platform services and new AI features to enhance Copilot, powering next-generation AI products.

Role type

Principal AI Platform Engineer (Generative AI)

Builds

AI platform services, Copilot features, scalable LLM pipelines, evaluation infrastructure

Domain

Generative AI, Cloud Infrastructure, Large Language Models

Deliverable

production ML models | product features | infrastructure

Required skills

Generative AI development, LLM deployment and scaling, API design, scalable cloud services, relational databases, key-value stores, retrieval-augmented generation, agent frameworks, tool-calling systems, evaluation infrastructure

Preferred skills

Experience with C, C++, C#, Java, JavaScript, Python

Technologies

Azure, AWS, GCP, LLM frameworks

Responsibilities

Build secure and performant AI platform services; develop innovative user-focused product features; operate systems in production including on-call; resolve complex technical issues for optimal performance and scalability; write clean, maintainable, and well-documented code; build evaluation and experimentation infrastructure for AI systems.

Seniority

Principal, hands-on IC with strategy & mentorship

Sourced via microsoft · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.