Full Stack Developer – DXC (Apr 2024 – Present)

Remote, Poland

• Developing and releasing microservice solution for Danish government sector related to loans and property.
• Using .NET Core 8, REST API, SQL Server, EF Core (CQRS), React + Redux (TypeScript).
• DDD, SOLID, Mediator pattern, Kafka broker, xUnit, Docker CI/CD, Kubernetes + ArgoCD (GitOps), Azure AKS.

Senior .NET Engineer – StoneX (Jul 2023 – Apr 2024)

• Maintained stock market application for brokers with real-time data binding (~100k data points).
• Tech: .NET Core, WPF (MVVMCross), C++/CLI, SQL Lite, ElasticSearch + Kibana, DevOps, Scrum.

Senior Software Engineer – cShark (May 2022 – Jun 2023)

• Worked on Motorola hardware communication software for message servers over binary protocols.
• Tech: C#, .NET Core, SQLite + EF, GraphQL, Angular 15, RabbitMQ, NUnit, Moq, GO, GitHub.

Senior Software Engineer – Alstom (Jan 2021 – Apr 2022)

• Part of international team developing TMS railway system using WPF (MVVM Light), ASP.NET Razor, Kafka.
• Responsible for product maintenance, bug fixes, and team management (10 members).

Software Architect – Bombardier Transportation (Nov 2017 – Dec 2020)

• Created complex automation solution for testing onboard rail systems using .NET Core, REST API, Angular.
• Implemented Docker, Azure pipelines, RabbitMQ, CI/CD, ERTMS/ETCS domain knowledge.
• Led 15-person team (developers, testers, analysts, UX).

Technical Leader – Sii Poland (Oct 2015 – Oct 2017)

• Led software team for Bombardier onboard systems using .NET and xUnit.
• Designed architecture and provided technical interviews and .NET training for Sii Poland engineers.

Senior Software Engineer – Sii Poland (Dec 2013 – Sep 2015)

• Worked on railway communication libraries between EBI Screen 300 and EBI Lock systems.
• Tech: .NET (C#), WPF, WCF, UDP/TCP, Linux, TDD.

Software Engineer – Open Sky Data Systems (Apr 2013 – Nov 2013)

• Developed web-based Planning applications for city councils (Cork Council client).
• Tech: ASP.NET, C#, Entity Framework, DevExpress, T-SQL, SQL Server 2008.

Software Developer – Ebicom (Aug 2010 – Apr 2013)

• Designed CRM and ERP solutions for energy sector using ASP.NET MVC 4, nHibernate, DevExpress.
• Worked with SQL Server 2008, T-SQL, HTML5, CSS3, jQuery, Visual Studio 2012.

Junior Software Developer – Vega IT Studio (Aug 2009 – Jul 2010)

• Created database and UI solutions using WinForms and ASP.NET, LINQ, Telerik, Infragistic controls.
• Tech: C#, ADO.NET, SQL Server 2005/2008, Visual Studio 2008.