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Principal Software Engineer-M365 Copilot

United States, Washington, Redmond💼 Full-time🗓 2026-09-17 → 2026-09-26

Core

Technical leader and domain expert designing and shipping AI/ML-based intelligent services and products for M365 Copilot.

Role type

Principal Software Engineer (AI/ML Platform)

Builds

AI- and ML-based intelligent services, complex backend/data/ML systems, internal developer tools and frameworks.

Domain

Enterprise Software / AI & Machine Learning / Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Architecting large-scale distributed systems, designing ML-driven evaluation systems, setting technical direction, mentoring engineers, driving cross-team initiatives, defining engineering quality strategy, deploying GenAI products, working with SOTA AI tooling, CI/CD and containerization practices, tracking engineering metrics.

Preferred skills

Experience with Azure platforms, modern deployment practices, microservices architecture.

Technologies

C, C++, C#, Java, JavaScript, Python, Azure, CI/CD, containerization, microservices

Responsibilities

Lead architectural design for complex backend, data, and ML systems; define and drive engineering quality strategy; partner with stakeholders to align on requirements and deliver features; lead creation of internal tools and frameworks; mentor and grow engineers through code and design reviews.

Seniority

Principal, hands-on IC with strategic leadership

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