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Microsoft Corporation Logo Microsoft Corporation · IT - Software Development

Senior Software Engineer- MAI Platform

China, Beijing · Job Posted March 13, 2026
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Job Description

Microsoft AI Asia Platform Team builds the foundational infrastructure powering Microsoft's AI products across Azure, Copilot, Bing, and internal engineering systems. We develop enterprise-grade Agent Runtime, large-scale model training/serving frameworks, and next-generation AI developer toolchains. Our infrastructure directly impacts how millions of developers build and deploy AI applications globally. We are seeking a software engineer with solid multi-language programming capabilities to build high-performance, reliable infrastructure for Agent systems. You will work on the core runtime for autonomous agents, distributed LLM serving, and RL-based training pipelines—turning cutting-edge AI research into production-grade platform services.

Job Responsibility

  • Agent Runtime Development: Design and implement high-throughput runtime systems supporting Tool Use, Function Calling, and multi-agent orchestration at scale
  • LLM Serving Infrastructure: Optimize inference stacks including request scheduling, KV cache management, continuous batching, speculative decoding, and model parallelism
  • AI Developer Tooling: Develop AI-assisted development tools and applications (similar to Claude Code, OpenClaw) to boost engineering / work productivity
  • Platform Abstraction: Transform experimental agent capabilities into reusable platform APIs, SDKs, and managed services for upstream product teams

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
  • Systems engineering fundamentals: Deep understanding of concurrency, memory management, performance optimization, and distributed systems architecture
  • Agent architecture knowledge: Solid grasp of modern agent paradigms (ReAct, CoT, Function Calling, Agent State Management) with hands-on implementation experience
  • LLM infrastructure foundation: Understanding of Transformer inference mechanics, experience with serving frameworks (vLLM, TensorRT-LLM, Triton, or custom stacks)
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings: Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter

Nice to have

  • Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience
  • RL Training Experience: Hands-on experience with RLHF, DPO, PPO, or offline RL for language model alignment
  • High-Performance Deployment: Expertise in model quantization (GPTQ/AWQ/GGUF), compiler optimization (MLIR/TVM), or heterogeneous hardware acceleration (GPU/TPU/NPU)
  • Agent Systems Depth: Contributions to open-source agent frameworks (LangGraph, AutoGen, OpenHands, CodeR) or deep technical analysis of Claude Code/ OpenClaw implementations
  • Cloud-Native Engineering: Experience building services on Kubernetes, service mesh architectures, or Azure/GCP/AWS platforms at scale
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