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Voldsen5/README.md

Hi, I'm Kristoffer 👋

Software developer from Denmark. I build things in Java, C#/.NET, Swift and Python, and I'm currently exploring how LLMs can do useful work on real-world documents.

🔭 Featured projects

Project What it is Tech
Sudoku Native iOS Sudoku game with a unique-solution puzzle generator, a backtracking solver, logic-based hints and stats Swift · SwiftUI · MVVM · XCTest
Aarhus Bryghus Point-of-sale and order system for a craft brewery, with context-based pricing, discounts, deposits and punch cards Java · JavaFX · JUnit
Machine Learning in Python From linear regression to neural nets, PCA + SVM face recognition and genetic algorithms Python · scikit-learn · pandas
3-Layer Architecture WPF app split into UI, business logic and Entity Framework data access layers C# · WPF · EF6
ASP.NET MVC My first MVC web app: routing, Razor views and form handling C# · ASP.NET MVC

🛠️ Tech I work with

Languages: Java · C# · Swift · Python · JavaScript · SQL Frameworks: SwiftUI · JavaFX · ASP.NET MVC · WPF · Entity Framework · Node.js/Express · scikit-learn Also: Android (osmdroid), MSMQ & enterprise integration patterns, TCP/UDP networking, JUnit/XCTest, LLM pipelines

📚 Background

Through my studies I've worked on object-oriented design, data structures and algorithms, concurrency, distributed systems, system integration and machine learning. Most of that coursework is here on GitHub.

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  1. Sudoku Sudoku Public

    A native iOS Sudoku game in SwiftUI — unique-solution generator, MRV/bitmask backtracking solver, logic-based hints, undo, lives, persistence & stats. MVVM, fully unit-tested.

    Swift

  2. 3-Lags-Arkitektur 3-Lags-Arkitektur Public

    Three-layer architecture in C#: WPF UI, business logic layer and Entity Framework data access, linked by DTOs.

    C# 1

  3. Aarhus_Bryghus Aarhus_Bryghus Public

    Point-of-sale and order system for a brewery (2nd-semester project) – Java, JavaFX, layered architecture.

    Java

  4. MachineLearning_Python MachineLearning_Python Public

    Machine learning coursework in Python: regression, classification, clustering, neural nets, PCA and genetic algorithms.

    Python

  5. WebApplication-MVC WebApplication-MVC Public

    First ASP.NET MVC app in C#: controllers, Razor views, a GET/POST form (time calculator) and list rendering.

    C#