- More than 8 years of experience in program / system architecture development. - Practically implemented SDK for .NetCore / NodeJS / Java and applied in services at AWS / Azure platform cloud service. - Leading developer in .NetCore, API mediation architecture created that integrated with APIs developed along with Proxy / Security applied. - Logistics / Payment APIs service applied that experienced API service on global shipping forwarder of FedEX , UPS and domestic of ECPay. - Optimized products combination algorithm modularized for e-commerce module. - Leading developer at NodeJS, real-time stock of recommendation triggered system design that provided services for real-time stock price quotation connection, performance report trace daily / month, financial statements,and push-notification. - Leading developer at .NetCore, native SAP DLLs integrated with open-source practical modularization along with e-business flow APIs designed at platform of SAP (RFC / HANA DB) . - Leading developer at .NetCore, IdentityServer integrated with OAUTH2/SSO security API services for membership management systems. - Practical CICD flow experiences witha Azure DevOps / Github / Jenkins. e-business Restful WebAPIs developed and redesigned on platform migration from .NET framework to .NetCore platform - Leading developer at .NetCore, APIs services developed that integrated with CRM providers for Salesforce/ Siebel services, ex : Account / Contact / Lead / Oppty / SOQL.etc. - Concentrated on technical development applied in .NetCore microservice that implemented services include WebMVC client, SPA client, ApiGateway (Ocelot / Envoy) , BackendForFrontend (aggregator) , Microservices, Database, Event Queue and established a complete process for Docker / Docker-Compose and AZURE AKS/ Devops / ACR. - Leading developer at NodeJS, the external project implemented more than 150 sets of API services, like restful APIs design, error / log / filter middlewares, files for upload / delete / event applied in AWS S3 services (CloudWatch, ElasticBeanStalk, SES, S3) , logistics / payment / invoice, jwt / facebook authorization, notification, batch / background workers, audit, mongoose.etc that redisned base on Express framework along with cloud MongoDB startup redesigned based on Express framework integrated with AWS cloud services.