Data & Machine Learning Engineering
Marco Kleimaier
Data engineering by trade, with a strong focus on machine learning — I build models across the language and vision domains, alongside a C++ deep learning core for deeper understanding.
The Journey
Foundations to applications.
Four chapters through deep learning — foundations, vision, language, and safety.
About
I am a data engineer with six years of experience in software engineering and data infrastructure, with a strong emphasis on clean architecture, rigorous testing, and reliable systems. My focus is machine learning: I build models across the language and vision domains, alongside a C++ deep learning core for deeper understanding.
Experience
A path through data, security, and software.
Data Engineer for a Swiss Insurance Company
Professional Data Engineer · 1 yearZurich, Switzerland
- Data platform development for a Swiss insurance company
- Data ingestion and transformation solutions
- Performance benchmarking and optimization
- Orchestration across multiple data products
- Deployed and operated within a Kubernetes cluster
API Developer for the Public Sector
Professional Data Engineer / Software Developer · 1 yearZurich, Switzerland
- Designed and built an API for public-sector data retrieval
- Served public datasets from PostgreSQL
- Enforced access policies as a security layer
Data Engineering for a B2B Start-Up
Professional Data Engineer · 1 yearSt. Gallen, Switzerland
- Built data sourcing pipelines
- Designed efficient data storage and retrieval
- Built testing pipelines for robust processes
- Built data cleaning processes
AI Chatbot Solution for Compliant Knowledge Management
Professional Consultant / Developer · 6 monthsFrankfurt, Germany
- Company-internal chatbot solution for compliance use cases
- Backend skill modules built in Python
- Integrated into an existing TypeScript frontend
Vulnerability Scanning Integration for Industrial Manufacturing
Junior Consultant / Developer · 1 yearFrankfurt, Germany
- Pipeline for scanning vulnerabilities in an existing Java codebase
- Client in industrial manufacturing for security systems
- Integrated vulnerability databases and existing CI/CD pipelines
- Integrated a ticketing API for vulnerability management
API Development for Testing of a Production Line
Internship Program · 2 monthsStockholm, Sweden
- API for testing machine responses to different scenarios
- Backend built in Go
- Frontend built with TypeScript and React
Customer Interface for Data Management
Working Student · 3 yearsWürzburg, Germany
- Web interface for data management, built for clients of a small data-driven company
- JavaScript and native HTML/CSS frontend
- Python (Django) backend
Certifications
Credentials I've earned along the way.

AWS Certified Cloud Practitioner

AWS Certified Machine Learning Engineer – Associate
© 2026 Marco Kleimaier