Since 2016 I am Freelancer, working on large projects with DX XAF and difference addition technologies so as .Net Core with ElasticSearch and Apache Cassandra, porting XAF GUI to Angular and Vue.js using TypeScript. In many projects I am used .Net Core 3 MVC with MS SQL Server/MongoDb/PostgreSQL and ElasticSearch. Used MassTransit (RabbitMQ), Apache Kafka and difference Workflow engines. For frontend used DevExpress XAF and Angular (DevExtreme, Bootstrap). In some projects used Azure Service Fabric on Docker. Wrote Unit-tests with Moq. Have knowledge’s about Node.js/Express and AWS Lambda-functions