Nikolai Sonin

- Designed and developed scalable and efficient data pipelines, ETL processes, and data integration solutions to support data ingestion, processing, and storage needs with .NET Core, NATS and Azure Blob Storage; - Optimized database performance by tuning queries, implementing indexing strategies, and monitoring and analyzing system performance metrics on PostgreSQL; - Designed and developed internal customer facing ASP.Net Core Web applications, Blazor, Bootstrap, SignalR/WebSocket, Redis and PostgreSQL;

RenHealth (renhealth.net), Cambridge, MA, US – A private health insurance provider in Massachusetts rentpayment.com, Dallas, TX, US – Complex, large-scale landlord and tenants interaction platform, from candidate’s screening to scheduling maintenance jobs

- Created portal for orders search by convoluted criteria with complicated GUI based on a mix of jQuery UI and Knockout. Also redesigned report generation to avoid Excel limitation for a number of rows per worksheet. Later added a custom search engine to support search both in MSSQL and in Netezza. MSSQL part of the application was implemented with Entity Framework.

planetirm.com – IT inventory management software - Created web interface for managing AWS virtual machines responsible for visualization of IT infrastructure; - Wrote the application as ASPNET MVC + Knockout & Bootstrap on UI side and WebAPI + Entity Framework on server side; - Implemented tool based on RabbitMQ for importing AutoCAD DWG files with infrastructure plans; - Used Selenium for testing UI; - Implemented interaction with MongoDB for reading DWG parts;