Vladimir Egorov Email & Phone Number

Krasnodar, Ru

Finance domain. Optimization of custom data warehouse solution. Thousands of C# dynamic calculations, multi-step data preparation pipeline. Research of multiple optimization options and their performance measurements. Implementation of complex caching of the heaviest interim results, mixing them with current ticking data, dynamic configuration, recalculations on events, schedule, different scenarios, data quality tool. Orders of magnitude of performance boost. Rapid development.

Telemedicine. Led a team of .net developers. Migration of a call-center product into .net stack into cloud. Many technical researches related to architecture and infrastructure. .net 5, SignalR, actors model, workflow, front-end stack. A web portal with patients, their data, dialog scenarios. Integration with legacy system, with clients, service providers. ETLs, monitoring. Custom production process.Worked closely with architecture, tasks specification, distribution, code review… Show more Telemedicine. Led a team of .net developers. Migration of a call-center product into .net stack into cloud. Many technical researches related to architecture and infrastructure. .net 5, SignalR, actors model, workflow, front-end stack. A web portal with patients, their data, dialog scenarios. Integration with legacy system, with clients, service providers. ETLs, monitoring. Custom production process.Worked closely with architecture, tasks specification, distribution, code review, researches, fostering collaboration within team and between teams, pushing best practices in development, processes, DevOps, all the initatives. Show less

ETL solutions using MS SQL Server, SSIS, .NET, Azure: Data Lake Analytics (similar to Hadoop), Data Factory, Storage, Events and proxy web services.Analytics with SQL Server Analysis Services cubes. AppInsights queries.Multithreaded multiserver analytics load. Complex batch processing. U-SQL.

C#, UWP, xaml, windbg, edge of technology, hundreds of millions of users.Microsoft Studios. Solitaire, Mahjong, Jigsaw, Sudoku.Conducted multiple architectural reviews. Fixed many bugs using native crash dumps. Figured out infrastructure issue related to .NET - WinRT - COM interconnection. Took part in adding various features related to serverless data storage keeping deep backward compatibility in mind. The storage is also used to sync state among devices on the fly. Enriched unit… Show more C#, UWP, xaml, windbg, edge of technology, hundreds of millions of users.Microsoft Studios. Solitaire, Mahjong, Jigsaw, Sudoku.Conducted multiple architectural reviews. Fixed many bugs using native crash dumps. Figured out infrastructure issue related to .NET - WinRT - COM interconnection. Took part in adding various features related to serverless data storage keeping deep backward compatibility in mind. The storage is also used to sync state among devices on the fly. Enriched unit testing with current patterns and best practices. Took part in integrating user stories and no estimation way into the development process. Improved CI in Unity project that enabled seamless developing, building and debugging experience, including plugins. Used my multithreading expertise to solve numerous problems and enrich project with simple solutions. Developed source control migration utility that gathers many nuget package projects into a single solution. Show less

http://www.mtsgsm.comC#, WebForms, MVC.NET, javascript, jQuery, backbone, clusters, high load, SOA, WCF, IoC, Oracle. Team lead.Was responsible for up to 6 complex products with series of customizations for different clients. 10 people had been supporting them before (dozens had been developing).Led up to 5 people.Took part in fixing more than 3500 errors, 1500 of them fixed by myself.My technical expertise allowed decreasing of fixing time from 15 to 2 days per error on a… Show more http://www.mtsgsm.comC#, WebForms, MVC.NET, javascript, jQuery, backbone, clusters, high load, SOA, WCF, IoC, Oracle. Team lead.Was responsible for up to 6 complex products with series of customizations for different clients. 10 people had been supporting them before (dozens had been developing).Led up to 5 people.Took part in fixing more than 3500 errors, 1500 of them fixed by myself.My technical expertise allowed decreasing of fixing time from 15 to 2 days per error on a project where the situation persisted for years.Implemented a complex workaround customization of an existing product within a month which allowed another team to take their 8 months for shipping the permanent solution.Implemented portable custom web controls to meet requirements. Mask, time span.Our team added missing functionality to an adjacent subsystem while we were implementing our own which allowed us to complete two tasks in price of one when I was in charge.Conducted many complex researches, estimations, architectural improvements. Show less

http://www.parus.comC#, SQL92, platform Tornado.Polishing, mentoring.