Experience
Senior Machine Learning Engineer
2022 — presentti&m AG
Architecting RAG systems and LLM solutions for enterprise banking clients. Leading ML infrastructure, model deployment pipelines, and solution architecture for AI systems across the full lifecycle.
Software Engineer
2019 — 2022Schindler Group
Built a global web application for elevator control software test automation. Full-stack development with JWT authentication and end-to-end testing.
Assistant Mobile Apps
2019 — 2020Hochschule Luzern
Native iOS and Android development for university mobile applications. Operations, maintenance, and App Store publication.
ICT User Supporter
2016 — 2019Schindler Group
Selected Projects
AI RAG Foundation
Raiffeisen Schweiz · 2024 · Solution Architect
Developed an enterprise RAG foundation with evaluation pipeline, citation features, and automatic hyperparameter optimization for intelligent knowledge retrieval across a major Swiss bank.
Production-ready AI foundation
Automated hyperparameter tuning
Citation-backed retrieval
On-Premise RAG Chatbot
Government Agency · 2023 · Senior ML Engineer
Built a secure on-premise RAG chatbot for sensitive government data. Fine-tuned open-source LLMs with hybrid retrieval on Elasticsearch, all running within air-gapped infrastructure.
Fully air-gapped deployment
Hybrid retrieval system
Streaming chat interface
Sequential Recommender System
Hochschule Luzern · 2023 · Data Scientist
Next-purchase prediction for 1M+ customers using transformer-based sequential models with contrastive learning to prevent representation degeneration.
1M+ customer predictions
Hourly model updates
Real-time similarity search
ReportGenie
Raiffeisen Schweiz · 2024 · Senior ML Engineer
Smart financial report compilation system using LLMs. Automated business report generation and refinement with modular REST API integration across Spring Boot and Python services.
Automated report generation
Multi-system integration
Modular LLM pipeline
Other Work
Education
MSc Engineering, Data Science
Hochschule Luzern · 2021 — 2023
BSc Computer Science, AI & Visual Computing
Hochschule Luzern · 2017 — 2021
Certifications
Google Professional Data Engineer
AWS Machine Learning Specialty
TensorFlow Developer Certificate
Deep Learning Specialization