Öcal Kaptan

Developed and evaluated predictive models using Python and SQL to support data-driven decision making. Collaborated with distributed teams delivering analyses, dashboards and model results within agreed timelines.

Conducted econometric data analysis for 10+ research projects using Python and R. Reviewed and optimized 180+ R scripts, increasing computational efficiency by up to 25%.

Completed Data Science track, working 5-8 hours per week over 6 months. Designed and deployed a web app for flat and flatmate search, delivering an end-to-end data product from data collection to model-based recommendations.

Moderated 1,000+ social media posts weekly, reducing policy violations by 30%. Monitored social media metrics, driving 20% increase in engagement through data-driven recommendations.

Supported daily activities for 150+ international students. Led 5-10 weekly extracurricular activities and facilitated cross-cultural integration programs.

Coordinated turnaround operations for 20-25 flights per shift, maintaining 95%+ on-time departure rate. Performed load control and weight-and-balance calculations ensuring aviation safety compliance.

Completed intensive bootcamp gaining practical experience with modern data pipelines, ETL processes, and tooling for scalable, productiongrade data workloads. Successfully completed official German B1 examination.