- Provide case query, similarity retracing, attribution analysis and intervention capabilities for reviewing leakage and hotspot risks.- In emergency response scenarios and in compliance with security compliance requirements, it provides the ability to perceive, assess, recall, review, and handle risk content, and can collect user feedback to optimize the system.- System planning, implementation and manpower gradient construction

- Design, evolution and maintenance of JD Cloud automation platform - Responsible for the LAAS automatic expansion system, designing the system architecture according to JD Cloud LAAS capacity, expansion and online requirements, including various stateful/stateless microservices and user API interfaces. - Iaas automatic expansion system evolution, designing and implementing solutions in terms of distribution, high availability and high concurrency. Introduce queues, distributed task scheduling systems and minimize stateful Sdk microservices. - Design the JD Cloud capacity daily report system backend to regularly poll the remaining usage of host resources in each region, and trigger the expansion system in times of emergency.- 京东云自动化平台的设计、演进和维护 - 负责laas自动扩容系统，根据京东云laas容量、扩容以及及上线需求，设计系统的架构，包括各类有/无状态微服务和用户API接口。 - Iaas自动扩容系统演进，在分布式、高可用和高并发方面设计方案并实施。引入队列、分布式任务调度系统并最小化有状态Sdk微服务。 - 设计京东云容量日报系统后台，定时轮询各个区域的主机资源使用剩余情况，告急时触发扩容系统。

- Evolution and maintenance of IOT PAAS platform - Responsible for the self-research and architecture evolution of the application layer transport protocol/message middleware MQTTbroker, which is used for the transmission from the underlying smart devices to the cloud. Full support for MQTT protocol, - Establish a Golang coroutine pool to manage MQTT persistent connections and various message requests. The front end deploys Nginx and Lua to dynamically load balance its connections according to a certain logic. - Support dynamic expansion and disaster recovery solutions. Single-node Mqtt supports 50w+ long connections, and Ngiinx+MQTT architecture supports 200W+, with no packet loss and low latency. - IOT PAAS various background services, DB and middleware and support. Provide general OTA background services for smart device Apps, including uploading, hosting and downloading of each upgraded version, various upgrade packages and lists of various devices. Use Kafka as a distributed message system for internal services and Saas.- IOT PAAS平台的演进和维护 - 负责应用层传输协议/消息中间件MQTTbroker的自研与架构沟演进，用于底层智能设备到云端的传输。全面支持MQTT协议, - 建立Golang协程池管理MQTT长连接以及各类消息请求。前端部署Nginx以及Lua对其连接按照一定的逻辑做动态负载均衡, - 支持动态扩容、容灾方案。单节点Mqtt支持50w+长连接,Ngiinx+MQTT架构支持200W+,且无丢包、低延时。 - IOT PAAS各种后台服务、DB以及中间件的与支持。为智能设备App提供通用OTA后台服务，包括各个升级版本的上传，托管以及下载，各种升级包和各类设备的列表。使用Kafka作为内部那各个服务以及和Saas的分布式消息系统。