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Felix Wortmann
Looking for a jobSenior Software Engineer
Senior software engineer at DB Systel GmbH who developed internal search and automated certificate delivery, saving several hours of manual work each week.
GermanySenior Software Engineer at DB Systel GmbH
Experience
Senior Software Engineer
Worked on frontend and backend of a web application automating certificate delivery, and developed a company-wide search application. Built Spark and PySpark pipelines processing telecommunications data.
PythonAWS LambdaCloudFormationCI CDTypeScriptVue.JsKotlinSpring BootSolrSparkPySpark
Software Engineer
Built Spark and PySpark pipelines processing approximately 10–50 GB of telecommunications data per day from CSV and text files, making the data available for analysis for the first time.
SparkPySparkData ProcessingCSVText File
Dual Student
Developed Spring REST APIs, Angular frontends and Neo4j-based systems. Built the backend and admin frontend for a customer-service voice assistant prototype.
Spring FrameworkREST APIsAngularNeo4jBackend DevelopmentFrontend Development
Education
TU Darmstadt
Master's thesis with Dianovi, a Darmstadt startup: implemented a medical RAG system using Python and LLMs and compared plain embeddings with RAPTOR. Coursework included machine learning, deep learning and NLP.
DHBW Mannheim
Dual study programme with DB Systel GmbH.