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Member of Technical Staff - Backend Engineer

United States, Washington, Redmond💼 Full-time💰 $119,800–$119,800🗓 2026-03-16 → 2026-09-26

Core

Build secure and performant APIs and backend services that power Copilot apps, including mobile data schema code generation and streaming protocols.

Role type

Senior Backend Engineer (API & Streaming)

Builds

Secure APIs, streaming protocols (websocket/SSE/WebRTC), and backend services for Copilot mobile applications.

Domain

AI platforms, mobile backend infrastructure, web development

Deliverable

production ML models | product features | infrastructure

Required skills

C, C++, C#, Java, JavaScript, Python, GraphQL, REST, Protobuf, Thrift, websocket, SSE, WebRTC, backend data schema code generation, version control, analytics, feature flags, A/B testing, AI platforms, complex technical issue resolution, clean code, application security

Preferred skills

Experience with AI frameworks, passion for emerging technologies, adaptability in fast-paced environments

Technologies

GraphQL, REST, Protobuf, Thrift, websocket, SSE, WebRTC, C, C++, C#, Java, JavaScript, Python

Responsibilities

Build secure and performant APIs for Copilot apps, collaborate with product engineers and PMs, resolve complex technical issues, write clean and maintainable code, work with AI platforms and frameworks

Seniority

Senior, hands-on IC

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