Available for opportunities

Paul Koslowsky

Data Scientist

I transform complex data into actionable insights. Passionate about machine learning, statistical analysis, and building data-driven solutions that make an impact. Currently exploring the intersection of AI and real-world applications.

import pandas as pd
import numpy as np
from sklearn import magic

# Let's build something amazing
data = load_curiosity()
insights = transform(data)
impact = deploy(insights)

print("Ready to solve problems 🚀")

Featured Projects

A selection of data science projects showcasing my skills in analysis, machine learning, and building end-to-end solutions.

KANTWERK Calculator
Live

KANTWERK

Sheet metal profile calculator for fabrication shops. Interactive drawing editor for bent metal profiles with automatic cutting length calculations, order management, and PDF export for production specs.

React TypeScript Node.js SQLite Vite
Sales Data Explorer Dashboard
Live

Sales Data Explorer

Enterprise sales analytics platform for exploring customer hierarchies, product pricing, and bonus structures. Features interactive data exploration, organization hierarchy visualization, and automated price calculations.

Python Flask React SQLite Pandas

About Me

A data scientist passionate about turning complex datasets into meaningful insights and building scalable solutions.

Paul Koslowsky

I'm a data scientist with a passion for extracting insights from complex datasets and building end-to-end data solutions. My work spans machine learning, statistical analysis, and full-stack development, always with a focus on creating practical, impactful applications.

Academic Career

MS Business Analytics

2024-2026

Católica Lisbon School of Business and Economics

Master's program focused on data science, statistical analysis, and business intelligence. Core coursework in SQL, Python, machine learning, and data engineering.

SQL Python ML

Visiting Student

2022

Hawaii Pacific University

International exchange program in business studies.

BS Business Administration

2020-2023

Heinrich-Heine-Universität Düsseldorf

Bachelor's degree in business administration with focus on analytics and data-driven decision making.

Work Career

Analytics Working Student

2025-Present

VWS Befestigungstechnik GmbH

Data analysis and analytics work in a technical manufacturing environment. Building analytical tools and dashboards for business intelligence.

Analytics Python Data Analysis

Startup Marketing

2023-2025

specter automation

Marketing roles at a Cologne-based automation startup. Worked on marketing strategy, social media management, and brand development in a fast-paced startup environment.

Marketing Startup

Consulting & Student Club

2021-2024

Heinrich Heine Consulting, ELFIN Consulting, roatel GmbH, HVM Heaven

Student consulting work and freelance marketing projects. Led marketing initiatives, developed social media strategies, and provided design support for various clients. Served as Head of Marketing for student consulting organization.

Consulting Marketing Design

Machine Learning

Building predictive models and NLP systems

Full-Stack Development

End-to-end applications from API to UI

Data Engineering

ETL pipelines and database optimization

Skills & Tools

Technologies and methodologies I use to turn data into decisions.

Languages

Python R SQL JavaScript

Machine Learning

Scikit-learn TensorFlow PyTorch XGBoost NLP

Data & Analytics

Pandas NumPy Matplotlib Seaborn Plotly

Databases

PostgreSQL SQLite MongoDB BigQuery

Tools & Platforms

Git Docker Jupyter AWS Streamlit

AI & APIs

OpenAI API LangChain Hugging Face RAG

Let's Work Together

I'm always interested in hearing about new opportunities, interesting projects, or just connecting with fellow data enthusiasts.