Full Stack Developer

Passionate about creating elegant solutions

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About Me

Hello! I'm Jonathan Gunnerud, a passionate software developer with a strong background in .NET, C#, and SQL. I have a keen interest in game development, API integration, and creating dynamic web applications. My journey in software development has been driven by a desire to solve complex problems and deliver high-quality solutions.

I have experience working with various technologies, including Unity for game development and Razor Pages for web applications. My projects showcase my ability to design and implement robust architectures, develop dynamic search functionalities, and create engaging user experiences. I am always eager to learn new skills and take on challenging projects that push the boundaries of my knowledge.

In addition to my technical skills, I am a strong advocate for collaboration and teamwork. I enjoy pair programming and guiding teams through coding and problem-solving processes. My goal is to continue growing as a developer and contribute to innovative projects that make a positive impact.

When I'm not coding, you can find me exploring new technologies, playing video games, working out, or working on personal projects that combine my love for technology and creativity.

Certifications

Responsive Web Design Certification

freeCodeCamp

View Certificate →

My Journey

2011 - 2021

Early Tech Journey

My fascination with technology began early in life. Had my first programming experience at age 13 with C++. Although I didn't continue programming immediately after, my passion for technology remained strong.

Maintained deep interest in technology through:
  • Extensively following tech developments through videos and media
  • Deep fascination with hardware, including computers and phones
  • Continuous exploration of new technological advancements
2020 - 2024

Healthcare Professional

Worked at Lidköping Ljungen B during summers while studying:

Developed essential soft skills that complement technical expertise:
  • Strong communication and adaptability
  • Efficient multitasking and process management
  • Effective team collaboration and positive environment creation
2021 - 2023

Axevalla Folkhögskola

General Course in Game Development and Networking, studying:

  • Networking fundamentals and infrastructure
  • Arduino development and hardware programming
  • Python programming and Flask framework
  • Game development with Godot Engine (GDscript)
  • Unity game development and C# integration
  • Linux systems and server management
Developed strong problem-solving skills through various technical projects and participated in Advent of Code, enhancing programming capabilities.
2023 - 2025

Uddevalla Yrkeshögskola

Backend Developer Education with comprehensive focus on:

  • C# and .NET ecosystem (Framework, Core, MAUI)
  • Web development (HTML, CSS, MVC, Razor Pages, Blazor)
  • Database management and design (SQL, SSMS, SQLite)
  • API development and integration
  • Azure cloud services and DevOps
  • Agile methodologies and Scrum Master practices
  • Version control with Git (Git Master role)
Naturally assumed leadership roles and excelled in team project management.
2025 (January - April)

Movz Internship

Internship at award-winning Swedish transport technology company:

  • Developing sustainable transport solutions
  • Contributing to the Movz App and Admin panel
  • Building efficient logistics management systems
  • Working with modern tech stack and best practices
  • Collaborating in an innovative team environment
Applied technical expertise using:
  • MongoDB for database management
  • Node.js for backend development
  • Express.js for API development

Technologies

Hover over each card to see related tools & experience
C#
Unity .NET MAUI
Python
Flask GDscript
.NET
.NET Core Framework ASP.NET MAUI
Web
HTML CSS Tailwind PHP
Database
SQL SSMS SQLite Database Design
Git
Git Master Version Control
Azure
Azure Azure DevOps
Design
Figma UI/UX
Agile
Scrum Master Agile Jira
Tools
VS Code Visual Studio Linux Arduino
Game Dev
Unity GDscript
Architecture
MVC API Razorpages

Projects

Roblox Game Code Scraper and Manager

Early 2025
C# Python Spectre.Console HttpClient HtmlAgilityPack Json TextCopy

This project is a robust application designed to scrape, validate, and manage Roblox game codes. It consists of several key components:

  • RobloxApi.cs: Interacts with the Roblox API and cleans game names.
  • RobloxScraper.cs: Scrapes codes, merges data, and saves results to JSON.
  • Program.cs: Main entry, user interactions, and auto code fetcher.

Features include scraping, Roblox API integration, favorites, license validation, and more.

Freaky Fashion

Late 2024
HTML CSS C# SQL

An e-commerce website for a fashion brand. It includes features such as product listings, a shopping cart, and a checkout system.

  • Developed the front-end using HTML, CSS, and JavaScript.
  • Implemented a responsive design to ensure compatibility with various devices.
  • Integrated a payment gateway for secure transactions.

Features include product search, user authentication, and order tracking.

GameScore

Early 2024
.NET C# SQL JSON

GameScore is a platform where users can search for games, create accounts, log in, connect with friends, and comment on games. My key contributions were:

  • Developing a dynamic search functionality.
  • Fetching game data from an API, storing it in a JSON file, sorting it, and uploading it to the site's game categories.
  • Implementing a comments feature tied to specific users.
  • Adding dynamic animations to game titles based on mouse movement.
  • Creating an Easter egg featuring a Pac-Man animation where Pac-Man eats dots.

Harbor Administration App

Late 2024
.NET C# Entity Framework

A C# console application for managing harbor administration tasks. The app utilizes Entity Framework Core and LINQ queries to handle:

  • Boat registrations and docking spots.
  • Database integration for storing and retrieving information.

Airport App

Late 2024
.NET C# APIs

An application that fetches and displays information about flights and airports using an API.

Flask Library App

Mid 2022
Python Flask SQLite

A Flask application where users can:

  • Log in and manage their accounts.
  • Save, search for, and add new books.
  • Store all data persistently in an SQLite database.

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