I have significant experience in object oriented programming using C++ and C# - 24,5 years in business projects. I have advanced knowledge of .NET platform, including WPF, Silverlight, WCF, Multithreading, Reflection, Win Services. In past I had deal with ADO.NET, Remoting, GDI+. Also I have base skills in ASP.NET, Web Services, Xamarin.Forms and SQL. Also I have good experience in architect position of distributed system architecture, ~3 years experience with AWS (Amazon Transcribe, Amazon Comprehend, CloudWatch, API Gateway, DynamoDB, IAM, Lambda, QuickSight, S3, SNS, SQS). Profiling memory and application performance, writing high-performance code with minimal memory usage, optimizing performance thousands of times. Development own network stack over DPDK to reduce internal network delays from the typical tens of microseconds at best, to units of microseconds. Reverse engineering of code and network protocols. Many years of experience in developing trading applications, including algo trading and HFT.