Christian Feiler

Lead Engineer

Christian Feiler

Architecting digital transformation through legacy modernization and enterprise-scale AI solutions.

Munich

Education

M.Sc. Computer Science

Technical University of Munich

Christian Feiler is a Lead Engineer at itestra with a focus on structuring complex requirements and navigating diverse technology stacks. Since 2019, he has been involved in both project work and research collaborations that explore machine learning applications within software engineering processes. His technical approach centers on creating scalable architectures, ranging from the modernization of legacy monolithic systems to the implementation of automated MLOps frameworks.

His project experience includes lead engineering and data science roles across the insurance, retail, and healthcare sectors. Notably, Christian has designed and implemented enterprise-wide Retrieval Augmented Generation (RAG) flows and Large Language Model (LLM) applications for over 100,000 users. His expertise encompasses a broad range of technologies, including Python, Java, and Spring Boot, as well as database systems like PostgreSQL, Elasticsearch, and MongoDB.

Publications

Practices, Challenges, and Opportunities When Inferring Requirements From Regulations in the FinTech Sector - An Industrial Study

DOI

Parisa Elahidoost, Daniel Méndez, Michael Unterkalmsteiner, Jannik Fischbach, Christian Feiler, Jonathan Streit

CoRR 2024

Vectorizing Software for Machine Learning

PDF

Christian Feiler

Masterarbeit, TU München, in cooperation with itestra GmbH, 2019