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Salary
≈ $29k – $70k per year (Estimated)
Location
In office (Beijing)
Seniority
Middle · 3+ years exp

Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Jun 24, 2026. JD.com scores A on the Alion truth index.

Overview
Company
Impact
Profile match
JD.com is a Chinese retailer and logistics operator founded in 1998 by Richard Liu, which moved online in 2004 and built its business on first-party inventory rather than a pure marketplace model. Unlike its peers it owns most of the goods it sells and runs its own nationwide warehouse and delivery network, which gives it tight control over authenticity and same-day or next-day fulfilment for hundreds of millions of customers. The group has expanded into logistics services for third parties, healthcare, industrial supply, cloud computing and consumer finance, and is listed in both New York and Hong Kong.

岗位职责 / Responsibilities

1、负责健康医疗场景下智能体(Agent)的架构设计与实现,熟练运用 LangChain 或 LlamaIndex 等框架,进行复杂链路的编排、工具调用(Function Calling/Tool Use)及状态管理;

2、基于 SSE、WebSocket、MCP等技术,优化医疗对话式交互体验,解决大模型流式输出的稳定性与并发问题,确保健康咨询的实时性体验;

3、承担 Context Engineer 职责,优化上下文管理机制,设计RAG(检索增强生成)策略,解决医疗长文本、多轮对话中的信息遗忘与幻觉问题,提升上下文利用效率;

4、负责AI Agent的评测体系建设,设计自动化测试用例,对Agent的调用成功率、工具选择准确率、输出安全性进行量化评估与压测;

5、对接主流大模型(GPT系列、DeepSeek、Kimi、Qwen等),针对医疗术语的准确性进行Prompt Engineering及微调数据准备。

任职要求 / Requirements

1、计算机相关专业本科及以上学历,3年以上后端或AI应用开发经验,扎实的Java、Python编程能力,熟悉异步编程(Asyncio),具备良好的代码规范意识;

2、深入理解 LangChain 或 Semantic Kernel 的核心组件(Agent Executors, Tools, Memory, Callbacks),有实际生产项目落地经验;

3、熟悉 SSE 协议,有高并发流式接口的调优经验,了解如何处理中断、重连及流式token的安全过滤;

4、Context Engineering:熟悉RAG各环节(Chunking, Embedding, 重排),有处理长上下文(Long Context)压缩、记忆管理(短期/长期记忆)的实际经验;

5、Harness Engineering:理解AI应用的测试方法论,有构建Agent评测集、制定评估指标(如精确率、召回率、工具调用准确率)的经验;

6、有医疗信息化(HIS/EMR)或互联网医疗行业经验者优先,具备医学知识图谱构建或医疗NLP经验者优先。

符合京东价值观:客户为先、创新、拼搏、担当、感恩、诚信。

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