Interactive Portfolio
.NET Developer student and former application specialist with a focus on clean, useful and user-friendly digital solutions.
Projects
On the back of the package, you'll find a selection of my projects — from school assignments to personal builds. Each card shows what I've practiced, what I learned, and where you can view the code or demo.
CV & References
On the back of the package, you can explore my experience, references and download my CV. It brings together my background as an application specialist and my current journey toward becoming a .NET developer.
Hi, I'm Magnus Callenholm, a .NET developer student with previous experience working in IT as an application specialist.
I enjoy building clean and user-friendly digital solutions where design, functionality and problem-solving work together.
A selection of technologies and tools I use while learning and building projects.
HTML
CSS
JavaScript
SQL
C#
Google
VS Code
Visual Studio
Azure
Here I present my education, recent work experience and the background that has shaped my interest in IT and development.
Application Specialist
Dec 2021 - Oct 2025
Worked with business-critical applications connected to Stadium's retail and digital business. Focused on supporting stable system operations, improving user experience and contributing to technical solutions for Stadium and Stadium Outlet.
Application Consultant
Jan 2019 - Dec 2021
Worked as an application consultant with focus on system support, customer needs and technical solutions. The role involved understanding business processes and helping users get value from the application.
IT System Manager
Feb 2012 - Jan 2019
Held several IT-related roles over time, working with systems, projects and business support in a fast-moving organization. The experience gave me a strong understanding of how technology supports daily operations.
Higher Vocational Education
Jan 2026 - Dec 2027
Ongoing .NET Developer education focused on C#, .NET, web development, databases, SQL, agile methods and modern system development.
Product Management & UX Manager at Stadium
“En kollega som kombinerar stort personligt ansvar med ett varmt och nyfiket förhållningssätt.”
Interim Management | CEO
“I had opportunity to work with Magnus for almost 4 years at SATS. He always delivered IT Projects on a timely and effective basis. Magnus had a constant comercial and customer mindset in all projects we worked during our tenure together. I would love to work with Magnus in the future.”
Interim CFO Support
“Magnus visade hög IT-kompetens, analytiskt tänkande och en stark vilja att prestera det lilla extra för att teamet skulle lyckas. Jag rekommenderar varmt Magnus som en kunnig IT-specialist och godhjärtad kollega.”
A JavaScript-focused school project where I worked with an existing Snake game codebase. The project focused on understanding, adapting and extending the game logic, while also improving the visual styling and user experience.
A responsive school project focused on building a fictional zoo website with HTML and CSS. The page includes structured content sections, animal presentation, a newsletter form and a clean, user-friendly layout — something I really enjoy creating.