Krzysztof Sierżęga

Experience

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  University of Information Technology and Management in Rzeszów

  Jan 2010 - Jan 2010

  Software Development Intern

  Summer Internship

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  Petrosoft.pl Technologie Informatyczne Sp. z o.o.

  Mar 2011 - Jan 2011

  Software Developer

  Working on desktop application using .NET and technologies such as: WPF, MS SQL, web services and windows services.

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  PGS Software S.A.

  Jan 2012 - Jan 2020

  Software Developer

  - Developing from start service for gathering events generated by system for tracking user actions.- Developing high-scalable micro-service system running on Service Fabric cluster in Azure, with additonal services such as Service Bus, AD B2C, Application Insights using .NET Core framework. - Redesigning and rewriting architecture for critical parts of and 8 years old system for better performance and maintainability. System contained two eshops (ASP.NET MVC), web api (.NET Web Api, Hangfire), many databases (MS SQL), many running simultaneously clients (WinForms, DevExpress), managed by Git and TeamCity.- Designing, developing and maintenance of custom build ERP system using .NET and technologies/tools like: Visual Studio 2013/2015, C#, .NET 4.5, WEB API, WPF, MVVM, DevExpress, MVC 5, MS SQL, nHibernate, nUnit, Git, SourceTree, dotMemory, R#, TeamCity, JIRA, Crucible. Containing WEB API service, WPF desktop application and ASP MVC online shop. System used for managing all aspects of company including products, production, production planning, sales, purchasing, purchase planning, accounting, customers, suppliers, stocks, warehouses, recycling, trucks, containers, containers tracking, truck tour planning. Along with additional software like outlook plugin, integrations with truck scale or VOIP central.- Development of entertainment and educational applications for Windows Phone and Windows Store.- Integrating existing .NET system with Salesforce CRM platform. Pokaż mniej

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  Ciklum

  Jan 2020 - Jan 2022

  Senior .NET Developer

  Working on country wide solution for electric energy balancing and settlement code using microservices solution developed with .NET Core 3.1 and deployed to Azure (Kubernetes, Serivce Bus, Data Lake). Implementing solution for replacing an existing integration with ESB with Azure based solution (API Management, Logic Apps, Service Bus)

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  Samozatrudnienie

  Jan 2022 - now

  .NET Developer