Stefan Sunefalk

Founder & Senior .NET developer

Stefan's journey began in 2001 as a C++ developer for a consulting firm in Gothenburg. Today, he resides in Östersund and has a deep-rooted passion for test-driven development, primarily within C#/.NET, where the tooling for continuous testing is outstanding. Stefan also possesses extensive experience and comfort in working with other languages such as SQL, TypeScript, PowerShell, and more.

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1. Mar 2024 - Present

   Founder & IT Consultant

   Falco IT AB

   Founded and currently managing an IT consultancy firm that specializes in software development.

   .NET 8, Azure DevOps, Azure Pipelines (yaml), C#, Docker Desktop, EF Core 8, JetBrains Rider, NCrunch, NCrunch, NLog, OpenAPI, PowerShell, React (with Next.js), REST API, SeriLog, SQL Server, Tailwind, TypeScript, Visual Studio, WallabyJS.
2. Feb 2022 - Feb 2024

   Senior .NET Developer

   Länsförsäkringar

   Stefan, as a senior .NET developer at LF, assisted the establishment of a system development department in Östersund, guided junior developers, contributed to important project analyses, identified and clarified technical issues through innovative techniques, provided assistance across multiple technologies, and commenced work for an improved version and release management using Azure DevOps yaml pipeline templates, PowerShell, and Pester.

   AMQP/ActiveMQ, .NET 6, AzureDO, C#, Docker Desktop, Git, GitFlow, NCrunch, Pester, PowerShell, REST API, SAFE, SQL Kata, SQL Server, Swagger, Visual Studio.
3. Jun 2020 - Jan 2022

   Full-Stack Developer (Java/React/TypeScript)

   Swedish Tax Agency

   Stefan contributed to a team of 5 developers to build a subsection of the Tax Agency's website, focusing on front-end development using React and TypeScript with a test-driven approach, and backed by Java with Spring Boot; He later assisted in the development of the Tax Agency's own graphic components for the interface.

   Java, Containers, IntelliJ IDEA, JIRA, Kibana, OCP, Prometheus, React, Spring Boot, TypeScript, Visual Studio Code, WallabyJS.
4. Jun 2010 - May 2020

   Full-Stack Developer (C#/ASP.NET MVC)

   Loxysoft

   At Loxysoft, Stefan Sunefalk utilized his understanding of domain-driven design to aid in the creation of a high-performance CRM system. By employing technologies like C#, ASP.NET MVC 5, jQuery, and SQL Server, he designed and developed an asynchronous solution that efficiently handles bulk data and facilitates resource allocation across several customers.

   .NET, .Net Core 2, ASP.NET MVC, C#, Containers, CSS, Database Optimization, Docker, HTML, JavaScript, JQuery, NCrunch, NHibernate, PowerShell, Razor, ReSharper, REST API, SCRUM, SQL, SQL Server, T-SQL, TeamCity, VB.NET, Visual Studio, WPF.
5. Jan 2009 - May 2010

   Full-Stack Developer (C#/ASP.NET MVC)

   Nipsoft

   At Nipsoft, Stefan served as a dedicated C# developer, primarily fixing complex bugs, facilitating a crucial transition of version control systems and contributing to the development of an innovative inventory system for smart cards and decoders.

   ASP.NET, C#, Delphi, NHibernate, Pascal, SQL Server 2005/2008, TFS, Visual Studio 2005/2008, VSS.
6. Apr 2006 - Dec 2008

   C++ Developer (Windows)

   SolidWorks Nordic

   After relocating to Stockholm, Stefan joined a small team at SolidWorks Nordic, contributing to the development and management of a Product Data Management system for CAD users, enabling version control and direct 3D model previews in Windows Explorer.

   COM, C++, C++ Boost, C++ STL, C++.NET, MFC, SQL Server, TFS, Visual Studio 2005, VSS, WinAPI.
7. Feb 2001 - Oct 2003

   C++ Developer (Windows)

   Guide Konsult Göteborg

   After his studies and military service, Stefan began his career at Guide, where he played a modest role in the development of a PDM system using Borland C++ Builder 5 and automated a portion of invoice management for Volvo Car Corporation through integration with Microsoft Excel.

   C++, C++ Builder 5, Visual C++ 2002.

Last Updated: Apr, 2024