Senior Software Engineer

• Apr 2022 - Present

Responsible for design, implementation and delivery of services serving real-time data and personal notifications. Contributed to observability and reliability of the backend system. Led a small team. Responsible for design, implementation and delivery of services serving real-time data and personal notifications. Contributed to observability and reliability of the backend system. Led a small team.

Engineering Lead | OTT Division

• Nov 2018 - Mar 2022

Participated in design, implementation and delivery of new features across multiple teams to launch DAZN in Spain and Brazil. Contributed to the growth of the backend team up to 30+ backend .NET/Node.js developers on Massive/Deltatre side. Responsible for stabilization of the user data multi-region replication mechanism with Active-Active model. Focused on migration of .NET monolith application to microservices and hand over of the backend services to the client. Participated in design, implementation and delivery of new features across multiple teams to launch DAZN in Spain and Brazil. Contributed to the growth of the backend team up to 30+ backend .NET/Node.js developers on Massive/Deltatre side. Responsible for stabilization of the user data multi-region replication mechanism with Active-Active model. Focused on migration of .NET monolith application to microservices and hand over of the backend services to the client.

Engineering Lead

• Jan 2018 - Nov 2018

Responsible for improvements in performance, scalability and reliability of the backend to support launch of DAZN sports streaming service in USA and Italy. The platform handled 1M+ concurrent users in a single region.

Solutions Architect

• Oct 2015 - Jan 2018

Worked as Solution Architect / Lead in a team, which built an integration service layer for DAZN and successfully launched the sports streaming service in Europe (DACH region) and Japan in 2016, Canada in 2017. Led the team of .NET backend developers. Responsible for the architecture, implementation, integration with 3rd parties. Set up internal development practices and processes. Helped to grow the team from 2 to 10+ developers and eventually restructure it into multiple theme-oriented sub teams. Worked closely with business and technical people on the client side. Participated in design and planning of migration from monolith to micro services architecture.

Senior Software Engineer

• May 2014 - Oct 2015

Development and maintenance of the integration service layer for client projects based on Massive product suite. Contributed into some product back-end components.

Senior Software Engineer

• Oct 2012 - Apr 2014

- Scrum master in a mid-size team. - Facilitator on retrospective meetings of agile development teams. - Presenter on internal Community of Practice meetings. - Responsible for design and architecture of an order processing system: technical specification, design of an order process builder and workflow processing engine. - Responsible for design and implementation of an internal web application for HR department. - Scrum master in a mid-size team. - Facilitator on retrospective meetings of agile development teams. - Presenter on internal Community of Practice meetings. - Responsible for design and architecture of an order processing system: technical specification, design of an order process builder and workflow processing engine. - Responsible for design and implementation of an internal web application for HR department.

Technical Designer

• Jul 2011 - Sep 2012

Technical Designer, Team Leader, Scrum MasterWorked on projects for ČSOB Czech (www.csob.cz) and Slovak Republic (www.csob.sk)- Designing, planning and developing web-based, integration and ETL applications in business areas such as real estate, payments, retail.- Role of Scrum master on several projects. Role of lead or key developer.- Popularizing agile methodologies, TDD and Continuous Integration practices.- Mentoring team in Scrum, pair programming, testing, refactoring.- Tend to constantly improve internal development processes.- Responsible for some research and innovation projects.- Development of prototype applications for Windows Phone 7 and Windows 8.- .NET 2-4, C#, ASP.NET, WinForms, WCF, WF Services, ASMX, Unity, log4net, Moq- SQL Server 2008, T-SQL, SSIS, SSRS, Entity Framework- HTML, CSS, Javascript, jQuery- Visual Studio 2008-2010 Team System, MSBuild, MSTest, CC.Net, TeamCity, WIX, PowerShell.- Working in teams of 2-5 members.

Senior Developer

• Nov 2009 - Jul 2011

Software Design Engineer

• Jun 2007 - Oct 2009

Took part in developing of global social networking platform for nonprofits, companies and individuals that provide a unique micro-donations feature and allows companies to host their corporate social responsibility programs (CSR). - Scrum methodology, TDD and refactoring practices. - Lead the Campaigns theme in team of 4 developers. - Responsible for design and vertical implementation of several components. - Took a key role in some major redesign and refactoring phases, such as migration from ASP.NET WinForms to ASP.NET MVC Framework. - Provided training and knowledge sharing via local TechEd presentations and pair programming. - Tend to constantly improve internal development processes. - .NET, ASP.NET MVC, WCF, C#, SQL Server, T-SQL, LLBLGen, JavaScript, YUI, cross-browser UI. - Visual Studio 2008 Team System, Enterprise Architect, MSBuild, NUnit, TypeMock, Selenium. - About 15 members of the development team in tree countries: Ireland, Czech Rep. and Serbia.

Software Engineer

• Dec 2006 - May 2007

ASP.NET development.

Software Research Engineer

• Jun 2006 - Dec 2006

Software Research Engineer at Monster Labs, Innovation team.Analyzing market of one Asian industrial center to propose new business strategies and models. Particularly, research of the existing electronic payment methods.RelationsWeb. Web-based 3D social network application. Research of potential possibilities and profits of new .NET Framework 3.0 that can be valuable for Monster’s business.- Followed the MSF for Agile methodology. Participated in preparation of requirements.- Responsible for the design and implementation of application architecture.- .NET 3.0 (CTP and Beta versions), WPF (Avalon), XAML- C#, SQL Server 2005, T-SQL, ASP.NET, Web-Services, ADO.NET, Visual Studio 2005 Team System.- Small team of a team lead, two developers and one 3D-modeler.

Software Engineer

• May 2005 - Apr 2006

ASP.NET development of interactive tourist system for Ströer (www.stroeer.de) information kiosks. Communication with wireless devices via Bluetooth and Infrared ports. - Responsible for application design, estimations, prototyping, issue tracking, builds. - Designed and implemented a web-based application composed of some modules. - Implemented a library with a set of OBEX protocol’s commands. - OpenNETCF.Net.Bluetooth 1.4, Platform SDK, Bluetooth Microsoft Stack, Windows XP SP2. - ASP.NET 1.1, ADO.NET, C#, Visual C++ (managed), DHTML, CSS, JavaScript, XML, IE 6> - MS Visual Studio 7.1, VSS, CVS, NAnt, Mantis. - Small team of 2-3 developers, one tester and some translators.

Software Engineer

• Nov 2003 - May 2005

ASP.NET development. SQL Server 2000, 2005. ASP.NET development. SQL Server 2000, 2005.

Software engineer

• Sep 2000 - Nov 2003

ASP, ASP.NET development. SQL Server 7, 2000. ASP, ASP.NET development. SQL Server 7, 2000.