I'm a senior backend engineer in this company and my work is developing the payment gateway and keep the quality of the payment services.I implemented more than 10 kinds locally and globally payment gateway like MyCard,AliPay,WeChatPay,Paymentwall and some payment gateway in China. I refactored the project with SOLID principle and made the project to be maintained easily.I usually share my knowledge to make our team better. I built a payment service to provide to content providers and this make the revenue grows at least two times.The payment service is independent of the platform and that will raise system flexibility.

I'm a backend engineer and Oriente is an E-commerce company.Maintaining and adding some new features for the product are my duty.The project structure is following DDD design pattern and using MicroServices structure to make the product. I'm doing remaking the Likestore with Node.js now.

1.Developing Sygna、Sygna-Bridge。 a.Sygna:The project structure is following DDD design pattern and many MicroServices in it.We use many AWS cloud services like ECS,RDS,ElasticCache,CloudWatch and SNS,and deploy the program with gitlab CICD tool. b.Sygna-Bridge:We use AWS Lambda function and DynamoDB to make the cost down,and we use SQS to make sure the program has high performance. 2.I worked for SBI to support they building the system which implement Sygna about two month. 3.I built some crypticurrency node and some API server like Bitcoincash.

I built SSO,SSO backstage and the official website with node.js and Angular.

I maintained the web and built a hybrid app with Ionic.

I made some real estate estimated report for banks or courts.