Skip to content
View DonJuuso's full-sized avatar
🌪️
Brainstorming
🌪️
Brainstorming

Block or report DonJuuso

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don't include any personal information such as legal names or email addresses. Markdown supported. This note will be visible to only you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
Donjuuso/README.md

Juuso Karjalainen

Software Developer | Full-Stack · Game Development · AI · Cloud Infrastructure

I'm a versatile and solution-focused software developer with experience in full-stack web development, Unity game systems, AI/voice technologies, and cloud infrastructure. I enjoy building applications that combine creativity with solid backend architecture, whether it's a playable Unity game or an intelligent AI voice application.


Experience Highlights

  • Full-Stack Web Development: Developed WordPress and WooCommerce sites with advanced customization (PHP, JS), SEO, and performance/security improvements. Also experienced in React (frontend) and Spring Boot (Java backend).

  • Unity Game Development: Working on a on production Trading Card Game (TCG) using Unity and C#. Responsibilities include gameplay logic, UI systems, and AI-based 3D character generation using Hunyuan3D-2.

  • AI Voice & ML: Built an AI-narrated web app using RVC-Project for character-based storytelling. Managed model training, backend voice logic, and conducted user testing.

  • Cloud & DevOps: Hands-on experience with AWS (EC2, S3, IAM), Docker-based deployments, NGINX configuration, GitHub Actions, and CI/CD pipelines.


Project experience

Project Technologies Description
Unity TCG (Private) Unity, C# Multiplayer card game with gameplay logic, animation, and custom UI systems. Integrated AI-based 3D character tools (Hunyuan3D-2).
Professional WordPress Development
MenaceComics.com
WordPress (PHP, JS), ACF, Gutenberg, REST API Built fully custom ready-to-ship WordPress site from scratch — not just tweaking themes. Experience includes custom theme and child theme creation, plugin development, Gutenberg block customization, and REST API integrations. Used ACF to model flexible content systems for non-technical editors. Also implemented SEO, security hardening, and performance tuning using modern best practices.
AI-Narrated Webapp for Illustrated Books (Thesis) React, Node.js, Tailwind CSS, MongoDB, RVC-Project, Gradio, FFmpeg Full-stack web application that integrates AI-based voice conversion to deliver immersive, character-specific narration for illustrated books. Users can click speech bubbles to hear pre-rendered voice lines or switch between narrator models. Developed using open-source tools and validated through ITU-standardized user testing (N=23).
E-commerce Web App (Academic Project) WordPress, WooCommerce, JavaScript, HTML, CSS, PHP, MySQL Developed as a full-stack team project (3 students) across three courses using WordPress and WooCommerce (15ECTS). Included custom theme modifications and backend enhancements. Key features: user authentication, product catalog, shopping cart, order management, automated chatbot, personalized email logic, and basic user-targeted advertising. Received excellent feedback from instructors for technical execution and design quality.

Skills and Technologies

Languages: Python, Java, C#, PHP, JavaScript, SQL
Web: WordPress (Gutenberg, ACF, theme/plugin dev, REST API, headless CMS), React, WooCommerce, Node.js, HTML/CSS Game Dev: Unity (C#), UI/UX, animation systems, prefab logic
AI/ML: RVC Project, scikit-learn, PyTorch/TensorFlow (basics), Hunyuan3D-2
Cloud/DevOps: AWS (EC2, S3, IAM), Docker, NGINX, Git, CI/CD (GitHub Actions)
Tools: Unity Engine, VS Code, Eclipse, Visual Studio

Tech Stack

Python R C# C++ Java JavaScript Open Policy Agent PHP MySQL Tailwind CSS CSS3 HTML5 WordPress WooCommerce Unity AWS Docker NGINX TensorFlow PyTorch Gradio

Education

BBA, Business Information Technology
LAB University of Applied Sciences Focus: Software development, web dev, cloud infrastructure, and AI tools
GPA: 4.07 / 5.00


Certifications

Intel Cloud Security Intel Tiber Trust Authority Intel Confidential Computing Intel High Performance Computing
Google UX Dual Credential Google UX Design Google Data Analytics Dual Credential Google Data Analytics Google IT Dual Credential Google IT Support Google Cybersecurity

Contact

LinkedIn Connect     Email Contact     Instagram Follow     Discord Contact     Menace Comics Contact

DonJuuso 2025

Pinned Loading

  1. Kirby-Crackle-Effect Kirby-Crackle-Effect Public

    JavaScript 4