marcokl.ch

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.

PythonReactDjangoFastAPIPostgreSQLKubernetesAirflowAzureJavaMachine LearningPythonReactDjangoFastAPIPostgreSQLKubernetesAirflowAzureJavaMachine Learning

Experience

A path through data, security, and software.

Data Engineer for a Swiss Insurance Company

Professional Data Engineer · 1 year

Zurich, 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
KubernetesAirflowPython

API Developer for the Public Sector

Professional Data Engineer / Software Developer · 1 year

Zurich, Switzerland

  • Designed and built an API for public-sector data retrieval
  • Served public datasets from PostgreSQL
  • Enforced access policies as a security layer
Python (FastAPI)PostgreSQLKubernetes

Data Engineering for a B2B Start-Up

Professional Data Engineer · 1 year

St. Gallen, Switzerland

  • Built data sourcing pipelines
  • Designed efficient data storage and retrieval
  • Built testing pipelines for robust processes
  • Built data cleaning processes
PythonAzure

AI Chatbot Solution for Compliant Knowledge Management

Professional Consultant / Developer · 6 months

Frankfurt, Germany

  • Company-internal chatbot solution for compliance use cases
  • Backend skill modules built in Python
  • Integrated into an existing TypeScript frontend
PythonTypeScriptLLM APIs

Vulnerability Scanning Integration for Industrial Manufacturing

Junior Consultant / Developer · 1 year

Frankfurt, 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
Java (Maven)PythonJenkins CI/CD

API Development for Testing of a Production Line

Internship Program · 2 months

Stockholm, Sweden

  • API for testing machine responses to different scenarios
  • Backend built in Go
  • Frontend built with TypeScript and React
GoTypeScriptReact

Customer Interface for Data Management

Working Student · 3 years

Würzburg, Germany

  • Web interface for data management, built for clients of a small data-driven company
  • JavaScript and native HTML/CSS frontend
  • Python (Django) backend
PostgreSQLJavaScriptHTML/CSSDjango

Certifications

Credentials I've earned along the way.

AWS Certified Cloud Practitioner
Amazon Web ServicesFoundational

AWS Certified Cloud Practitioner

AWS Certified Machine Learning Engineer – Associate
Amazon Web ServicesAssociate

AWS Certified Machine Learning Engineer – Associate

Contact

Let's build something worth shipping.

© 2026 Marco Kleimaier