Freelancer profile translated to English.

Description

I am a software developer with a focus on data engineering for industrial applications.

This includes the development of data pipelines, algorithms, and complete software components. I primarily work with Python and C++, and AWS.

I have carried out software projects in the areas of connecting IoT to cloud systems and simulating sensor data in various application fields (space, medicine, agriculture).

Languages

German
Native or bilingual
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

Undisclosed
Software & Data Engineering Consultant
FILM AND AV
December 2024 - Today (1 year and 6 months)
Hamburg, Germany
Improving data-driven decisions by building a reporting system for visualizing KPIs and analysis results.
Identifying structure, patterns, and anomalies by analyzing extensive JSON data sets with DuckDB and Polars.
Designing and implementing a performant, scalable data pipeline in Python and DuckDB for processing large amounts of data (>400 GB/day).
Enabling detailed assessment of the overall system regarding performance through continuous calculation and provision of relevant KPIs.
Optimizing development processes by implementing a container-based local testing and development environment.
Python Docker FastAPI Data Engineer DuckDB
Lufthansa AG
Senior C++ Software Consultant
August 2024 - December 2024 (4 months)
Frankfurt, Germany
Creating an application for utilizing laboratory equipment via the STAP protocol using TCP for commercial air traffic.
Using the application to simulate data traffic in aircraft to create realistic test conditions.
Conceptualizing and implementing a message server in C++ for the PowerPC laboratory platform to enable communication with avionics equipment in the lab via TCP.
Supporting relevant data protocols (ARINC 429, ARINC 717, DIO) through the design of a modular and easily expandable system architecture.
Accelerating local development through containerization of the cross-compiling toolchain using Docker.
Defining and implementing application-specific extensions to the STAP protocol for additional test and development use cases.
C++ Docker Linux Python
Lufthansa AG
Software Engineering Consultant
December 2023 - September 2024 (9 months)
Frankfurt, Germany
Long-term assurance of airworthiness: Reading and storing aircraft log files, as well as optimizing processing by enriching metadata.
Cost savings and efficiency increase by reducing outbound traffic costs by 12% and accelerating search function by 80% through storing metadata in a database for over 8000 processed log archives per month.
Preparing the application for Machine Learning and AI by conceptualizing and implementing a REST API for data provision.
Significant acceleration of the CI pipeline by 60% through modernizing the toolchain.
Leading the conceptualization and implementation of application further development, as well as mentoring the development team.
Python Docker FastAPI flask S3