Hey, I'm Marvin
Full-Stack Engineer / Data Scientist
Baden, SwitzerlandFull-Stack Engineer and Data Scientist building ML/Analytics solutions at Octotronic. Previously built AI compliance tools at Apiax and an AI tutoring system at FHNW. I run WriteABookAI and ReportGPT as side projects. B.Sc. in Data Science from FHNW.
I'm also available for hire as a freelancer. I specialize in process automation and workflow integrations between different systems. Feel free to reach out to me if you have any questions or you are interested to work together.
My Professional History
Full-Stack Engineer Building the ML/Analytics layer for OctoCore, a smart factory platform that connects operational technology with IT systems. Working on data pipelines, analytics dashboards, and automation features for manufacturing operations.
Research Scientist Built an AI tutoring system for Bachelor students using LLMs and RAG technology. Developed the entire platform from architecture to deployment, serving multiple academic disciplines with personalized learning support.
Data Scientist Developed document processing systems using LLMs and RAG for regulatory compliance automation. Built tools that parse, analyze, and verify compliance documents, reducing manual review time by 70%.
Full Stack Engineer Built progressive web apps for enterprise compliance management. Set up scalable infrastructure during company growth from 20 to 100+ employees. Mentored apprentices and led technical projects across frontend and backend systems.
My Latest Projects
I'm currently working on a few projects in my free time. Here are some of my latest ones:
![ThisCarIsNotReal.org]()
Sep 7, 2025 ThisCarIsNotReal.orgThisCarIsNotReal.org is a small project of mine where you can up or downvote images of AI generated fictional cars with insane designs.
![WriteABookAI]()
Jun 1, 2025 WriteABookAIWriteABookAI is an AI-native book writing tool that helps You bring your Book to Life. It's powered by Large Language Models among other AI technologies.
![Model of our Solar System]()
Jul 10, 2025 Model of our Solar SystemThis is a small model of our Solar System running entirely in your Browser and accurately depicting the positions of Planets at specific dates
![ReportGPT]()
Nov 1, 2023 ReportGPTReportGPT is a web-based tool that helps you write reports and other documents faster and more efficiently with the help of Large Language Models.
![PostPulse]()
Jun 1, 2024 PostPulsePostPulse is a service designed specifically for SaaS founders. Each month, we publish high-quality, AI-crafted posts about your Startup on premium, SEO-optimized domains.
![Conser-vision Practice Area: Image Classification]()
Jul 1, 2023 Conser-vision Practice Area: Image ClassificationI recently participated in a computer vision challenge where I had to classify images of wildlife cameras. Our findings are available on GitHub.
My Skills
I build end-to-end software solutions, from backend systems to user interfaces. My technical toolkit includes full-stack development, data engineering, and machine learning, which I've applied across manufacturing, compliance, and education sectors.
- Software Engineering
Backend development with Java, TypeScript and Golang. Python for data analysis and machine learning. Focus on scalable architecture and clean code.
- Database Technologies
SQL, MongoDB, and GraphQL for data storage and retrieval. Design of efficient database schemas and queries.
- Frontend Web Development
Web applications with Angular, React and SvelteKit. Component-based architecture and responsive design.
- Deep Learning
Neural network development with PyTorch. Experiment tracking and optimization using Weights & Biases.
- Natural Language Processing
Text processing and analysis using transformer models. Implementation of LLMs and RAG systems.
- Prompt Engineering
LLM prompt design and optimization. System prompts for complex AI applications.
My Latest Blog Posts
My posts usually center around some Deep Learning project I've been working on. These are my most recent ones:
![I built an accurate model of the solar system in Javascript in a few hours]()
Jul 23, 2025 I built an accurate model of the solar system in Javascript in a few hoursUsing Three.js and XAI's Grok 4 model, I created an interactive 3D solar system with real orbital mechanics and accurate planetary positions.
![WriteABookAI - An AI-native book writing platform]()
Jun 6, 2025 WriteABookAI - An AI-native book writing platformHow I built WriteABookAI.com to help professionals transform their knowledge into non-fiction books without the overwhelming time commitment.
![Activation-aware Weight Quantization (AWQ) for LLM Compression and Acceleration]()
Oct 3, 2024 Activation-aware Weight Quantization (AWQ) for LLM Compression and AccelerationHow to use Activation-aware Weight Quantization (AWQ) to compress and accelerate LLMs.
👋 More About Me
Below this, you'll find a few personal things I enjoy. Less professional, more me.
My Espresso Setup
I own an Espresso Machine! I really enjoy brewing my own Espressos and Cappuchinos at home. So I've built a setup that allows me to do so.
My Espresso Setup
I own an Espresso Machine! I really enjoy brewing my own Espressos and Cappuchinos at home. So I've built a setup that allows me to do so.
My Setup
🏃♂️ My Stats
I track my health and activity using a Whoop 5.0 device. These numbers reflect my daily activity and recovery as well as my heart health metrics averaged over monthly and annual periods. I'm sharing this to keep myself accountable and because I thought this would be cool. 🤓
My Drone Setup
I like to travel in Switzerland and abroad. And while doing so, I love to take stunning drone shots of the scenery.
My Drone Setup
I like to travel in Switzerland and abroad. And while doing so, I love to take stunning drone shots of the scenery.
My Latest Drone Videos
I publish my drone videos to YouTube when I travel to places. Check them out if you enjoy a nice scenery with from an aerial view.
View all videos on YouTube →
My Education
Bachelor of Science in Data Science Part-time degree covering statistics, machine learning, deep learning, and software engineering. Thesis on [specific topic if you want to add]. Completed while working full-time in industry.
Student at Informatics Middle School Four-year program combining software development (Java, web technologies) with business fundamentals. Included one-year internship at Apiax. Graduated with Berufsmatura in economics.
Contact me
I'd love to talk! Feel free to reach out via any of the following channels:
Want to Work Together?
I'm available for freelance projects focusing on process automation and workflow integrations between different systems.
If you need to connect APIs, automate business processes, build data pipelines, or create custom integrations, I can you optimize your operations and save you time.