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jitsejan/README.md

πŸ‘‹ Hello, I'm Jitse-Jan!

πŸš€ Senior Data Leader | Cloud & ETL Specialist | FinTech & Startups
I lead data teams in FinTech, focusing on modern data infrastructure, scalable ETL pipelines, and cloud-native solutions. I enjoy designing automated data architectures and exploring new technologies.


πŸ” What I Do

  • Building scalable ETL pipelines using Dagster, dbt, and Kubernetes.
  • Designing cloud-native data solutions with Azure & AWS.
  • Developing API connectors with dlt, DuckDB, and Polars.
  • Modernizing legacy Java data pipelines to Python-based architectures.

πŸ›  Tech Toolbox

Programming & Query Languages:

Python Logo SQL Logo

Cloud Platforms:

AWS Logo Azure Logo

Data & Transformation Tools:

dbt Logo DuckDB Logo Polars Logo dlt Logo

Development & API Tools:

Terraform Logo Insomnia Logo HTTPie Logo Cursor IDE Logo


πŸ“Œ Featured Projects

  • Modular API Ingestion – Built an extendable API ingestion framework using dlt, DuckDB, and Python, improving data integration efficiency.
  • Automated Data Processing Pipelines – Created dbt-driven transformation workflows, enabling structured reporting and analytics.
  • Dagster & dbt on Kubernetes – Designed a fully automated cloud-native data pipeline, reducing manual intervention and improving observability.
  • Optimized Query Processing – Leveraged Polars and DuckDB to speed up data processing and enhance performance in analytics workloads.

πŸ“« Let's Connect!

Pinned Loading

  1. python-flask-with-javascript python-flask-with-javascript Public

    This repository contains an example app to communicate between JavaScript and Python.

    HTML 67 25

  2. notebooks notebooks Public

    This repo contains my public notebooks together with the Docker files to get the Anaconda environment up and running.

    Jupyter Notebook 4 4

  3. vps-provision vps-provision Public

    Another experiment to provision my VPS

    Shell 1 2

  4. mario-api-python-eve mario-api-python-eve Public

    Python

  5. pyspark-101 pyspark-101 Public

    A PySpark course to get started with the basics for a Data Engineer

    Jupyter Notebook 9 9