Connected-Reads an algorithm that connects NGS short reads with best effort by Spark and GraphX.Seqslab V2 a Bio-Medical cloud-native platform, I design and implement a Python framework to support multiple cloud infra like Databricks and AzureBatch.Seqslab V3 introduce OpenWDL into our platform, use Cromwell to control the workflow, use PiedPiper to parallelize input data and execute the task described in WDL. Moreover, V3 also supports GA4GH API. Cromwell: workflow execution engine - Azure Gen2 NIO file system implementation - AzureBatch Backend design with Actor model - Audit log service PiedPiper: a data parallelization engine written by Scala, user can manipulate the format of input data by using a simple pipeline language - DSL co-design & implementation - Engine framework design & implementation Seqslab API: GA4GH compatible REST API powered by Django Framework - DRS (Data Repository Service) API refactor & performance tuning

Build an E-Commerce platform with Microservice architecture(Finatra + Scalaz + Akka + MongoDB + Redis + ELK + Docker)Design and implement an identity verification service with cache mechanism.Design and implement a report service.Design and implement a DSL based on Elastic4s which help developers customize report easier.Implement user service with salted password hashing.Implement cash flow service.Implement payment service.Implement Push notification service.Implement integration tests by JMeter.Build a Redis replication and sentinel environment.Build and conduct CI environment using GitLab CI.

CatFiResponsible for CatFi's hardware and software integration, including:- Android development- Embedded system development on Radxa Rock Pro- Arduino Responsible for CatFi's backend service:- Rabbit MQ

Core Protection for Virtual Machines- Improve communication security- VDDK programming- WiX installer- Build VMware VDI environmentXenSecurity- Build XenDesktop environment- Log Mechanism- File System Minifilter Driver- Improve communication reliability- Performance tuning- Xen GPL PV Driver- Linux Kernel Driver- Reverse engineering on Xentools(5 and 6.1)