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Principal Software Engineer (CoreAI)

United States, Washington, Redmond💼 Full-time🗓 2026-08-27 → 2026-09-26

Core

Design and build full-stack AI-driven solutions, including LLM and GenAI applications, developer platforms, and backend services that support agentic workflows.

Role type

Principal Software Engineer (Full Stack & AI)

Builds

LLM/GenAI applications, developer platforms (APIs, SDKs, CLIs), and backend services for agentic systems.

Domain

Artificial Intelligence, Generative AI, Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

TypeScript, JavaScript, React, Python, Node.js, C#, Java, C++, Next.js/Remix, RESTful APIs, GraphQL, distributed systems design, vector databases, AI-assisted development tools, LLM application development, SSR, Web Components.

Preferred skills

AzureML, industry APIs for LLM-driven agentic systems, machine learning, data science, large-scale UI-intensive product development.

Responsibilities

Architect full-stack solutions spanning UX to backend layers; design and maintain backend services and APIs for agentic workflows; develop software using modern AI-assisted practices; orchestrate complex development workflows across multiple workstreams; collaborate on AzureML capabilities; integrate customer feedback with agility.

Seniority

Principal, hands-on IC with strategic influence

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