Senior Full-stack Developer
2020 - 2020Gemini Diversified Services- Worked on new and existing features in client-facing Angular application on front-end and back-end (REST MVC Web API).
- Developed new features for the back-office portal in .Net MVC with Entity Framework over Azure SQL database.
- Implemented CI/CD with SonarCloud static code analysis, gated pull request, and automated policy-based deployment in Azure DevOps.
- Maintained and improved multiple Azure deployments including orchestrated deployments, network, and security.
Technologies: SQL, Azure, Angular, .NET.Net/Angular Developer
2019 - 2020Most Investments, LLC Pantheon Software- Worked on asp.net core REST API, backed with Entity Framework and Microsoft SQL Server.
- Worked on Angular front-end with bootstrap and SurveyJS controls.
- Implemented functional JMeter testing for REST API.
- Implemented Jasmine/Karma UI tests.
- Improved Docker setup.
Technologies: Amazon Web Services (AWS), AWS, Docker, Microsoft SQL Server, SurveyJS, ASP.NET Core, Entity Framework Core, Angular, C#, .NETTechnology Team Lead - External
2019 - 2019Roche Diagnostics- Worked as the tech lead for a project that had Angular in the front end and .NET Core in the back end.
- Developed custom control to fit our current project, and also worked on architectural tasks like HTTP client mocking, build-time configuration, code coverage CI integration, and similar.
- Developed REST API with all the best practices, large file uploads, Azure hosting, and so on.
- Set up CI/CD and Terraform Azure environment creation.
Technologies: Terraform, Azure DevOps, Azure Blob Storage API, Azure Stream Analytics, Azure Event Hubs, Azure, Azure Cosmos DB, Web API, Jasmine, Angular, C#, .NET Core, .NETHead of Software Development
2018 - 2019Mitto AG- Collaborated with team members on technically and domain challenging tasks.
- Led conversations with the team regarding technology usages and improvements.
- Set up CI/CD according to our internal process. This included release management, testing, development, disposable environments, and nightly builds.
- Developed custom DNS UDP ENUM load balancer used in auto-scalable environments in the cloud.
- Developed custom Prometheus integrations that work well on auto-scalable environments.
Technologies: Amazon Web Services (AWS), PostSharp, jQuery, Kendo UI, Git, TFS, Windows PowerShell, NUnit, Selenium, SoapUI, Apache JMeter, Azure, AWS, RabbitMQ, Redis, Elasticsearch, MySQL, .NET CoreSenior Software Engineer
2015 - 2018Mitto AG- Acted as the full-stack developer on https://www.nimbow.com/. Made some interesting features, like auto-extraction of uploaded Excel files of any structure.
- Served as the technology lead on Number Lookup Services. Developed performant lookup system.
- Designed system improvements to migrate from data center. In the cloud, we achieved 2,000/s requests served with less than <100ms. Pure time of our system was <20ms, rest of 80ms was an external dependency.
- Introduced AOP practices based on static proxy and IL weaving to solve problems like DB connection pool management (cluster-ready), generic caching, RPC calls.
Technologies: Amazon Web Services (AWS), PostSharp, jQuery, Kendo UI, Git, TFS, Windows PowerShell, NUnit, Azure, AWS, RabbitMQ, Redis, Elasticsearch, MySQL, .NET CoreSenior Software Developer
2012 - 2015IGT- Contributed to full-stack development and testing betting software. Developed an interesting MVVM-based event-driven model for betting views - performant on rendering multiple views on multiple screens.
- Mentored team members on new technologies, like WPF, Postsharp, and similar.
- Presented new technologies in-house during development technology stack improvement program. Had a task of presenting WPF with all the benefits it gets on our use cases.
- Mentored 2nd level support and provided them assistance on remote administration tools developed in-house.
- Developed generic tools for using various POS devices in betting.
Technologies: Keyboards, POS, SoapUI, Apache JMeter, TFS, TeamCity, NAnt, Oracle Coherence, Oracle Database, DB, Oracle, Windows Presentation Foundation (WPF), ASP.NET, .NETSoftware developer
2011 - 2012IT Excellence- Created custom Kendo UI-based application that imports Excel with Pivot table and creates proper OLAP cubes used later for ETL processes.
- Developed web and Windows Phone part of the application that is a social network for public issues.
Technologies: Windows Phone, Windows Communication Framework (WCF), jQuery, Kendo UI, HTML, MDX, Microsoft SQL Server, Silverlight, ASP.NET, .NETSoftware Developer
2011 - 2012Best Solution Team- Developed custom HTML-based controls for ASP.NET (like flex-grid, control alignment helpers).
- Developed MS Office plugins which integrate with our web portal.
- Integrated ActiveX TWAIN controls into our portal.
- Automated MS Office processes with ClosedXML framework.
Technologies: Plugins, Entity Framework, Microsoft SQL Server, ASP.NETSoftware Developer
2010 - 2011LMG Group- Made XML-based configurable white label web site for selling mobile content (Java games, MIDI ringtones, images, videos).
- Integrated phone model database with auto-detecting features.
- Integrated with mobile providers in a secure way. Handled payments.
Technologies: Microsoft SQL Server, ASP.NETSoftware Engineer
2007 - 2010PR Padjen- Developed custom TCP/IP application protocol for live distributed ERP work.
- Made imports from many popular small ERP systems used locally (MS SQL, IMB db2, FoxPro).
- Made distributed licensing mechanism with payment portal with admin access.
Technologies: Silverlight, ASP.NET, Microsoft Access, Microsoft SQL Server, TCP/IP, VB.NET