I have more than 20 years of experience in a wide range of backend and frontend technologies. My current technology stack includes: ASP.Net MVC, ASP.Net Core, Angular, AngularJS, Entity Framework, MS SQL.I have a lot of experience in integration with different payment gateways (Braintree, PayPal, Stripe etc.) and with other third-party services (Hubspot, Salesforce, Mailchimp). Also, I have experience in development of desktop applications using WPF and Windows Forms.