Hey, I'm Marvin

Full-Stack Engineer / Data Scientist

Baden, Switzerland

Full-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.

Portrait of Marvin von Rappard

My Professional History

Jan 2025 - Present
Octotronic AG logo
Octotronic AG Portrait of Marvin von Rappard 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.

Feb 2024 - Jan 2025
Institute for Data Science at FHNW logo
Institute for Data Science at FHNW Portrait of Marvin von Rappard 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.

Nov 2022 - Jan 2024
AI Lab at Apiax logo
AI Lab at Apiax Portrait of Marvin von Rappard 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%.

Aug 2019 - Oct 2022
Product Team at Apiax logo
Product Team at Apiax Portrait of Marvin von Rappard 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 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 Education

Sep 2021 - Sep 2024
FHNW - University of Applied Sciences Northwestern Switzerland logo
FHNW - University of Applied Sciences Northwestern Switzerland Portrait of Marvin von Rappard 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.

Aug 2016 - Jul 2020
Kanti Baden logo
Kanti Baden Portrait of Marvin von Rappard 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.

My Latest Drone Videos

I shoot drone videos and upload them to YouTube when I travel to places. Check them out if you enjoy a nice scenery with from an aerial view.

Contact me

I'd love to talk! Feel free to reach out via any of the following channels: