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Member of Technical Staff - Backend Engineer

United States, Redmond 119800.00 - 234700.00 USD / Year · Job Posted March 21, 2026
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Job Description

Microsoft AI is looking for a talented Backend engineer to help build the next wave of capabilities of our personalized AI assistant, Copilot. We’re looking for someone who will bring an abundance of positive energy, empathy, and kindness to the team every day, in addition to being highly effective. The right candidate enjoys building world-class consumer experiences and products in a fast-paced environment. This team is responsible for building and scaling the core backend platform - Orchestrator, Inference and APIs that power Consumer Copilot—enabling rapid development, deployment, and iteration of AI-powered features and experiences while collaborating with our Product Management, Design, Data Scientists, and AI Research teams to deliver impactful results.

Job Responsibility

  • Build secure and performant APIs that power Copilot apps
  • Work collaboratively with other product engineers, Product Managers, and platform engineers to take ambiguous projects and mold them into amazing experiences
  • Ship high-quality, well-tested, secure, and maintainable code
  • Find a path to get things done despite roadblocks to get your work into the hands of users quickly and iteratively
  • Enjoy working in a fast-paced, design-driven, product development cycle
  • Embody our Culture and Values

Requirements

  • Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience
  • 4+ years' experience building backend API for mobile apps such as GraphQL/Rest APIs/Protobuf/Thrift, and streaming protocols such as websocket/SSE/WebRTC with familiarity in backend and mobile data schema code generation or consistency, version control for mobile releases, analytics, feature flags, a/b testing framework
  • 4+ years' experience building scalable services on top of public cloud infrastructure like Azure, AWS, or GCP. Extensive use datastores like RDBMS, key-value stores, etc
  • 4+ years' experience building distributed systems at scale and extensive systems knowledge that spans bare-metal hosts to containers to networking

Nice to have

  • Experience working with AI platforms, frameworks, and APIs
  • Ability to identify, analyze, and resolve complex technical issues, ensuring optimal performance, scalability, and user experience
  • Dedication to writing clean, maintainable, and well-documented code with a focus on application quality, performance, and security
  • Demonstrated interpersonal skills and ability to work closely with cross-functional teams, including product managers, designers, and other engineers
  • Ability to clearly communicate complex technical concepts to both technical and non-technical stakeholders
  • Passion for learning new technologies and staying up to date with industry trends, best practices, and emerging technologies in web development and AI
  • Ability to work in a fast-paced environment, manage multiple priorities, and adapt to changing requirements and deadlines
  • Proven ability to collaborate and contribute to a positive, inclusive work environment, fostering knowledge sharing and growth within the team

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