LLFreelancer profile translated to English.
Back to original languageAbout Lukas
Hi, I'm Lukas!
I've been developing AI models for 8 years now.
I started in image recognition, extracting structured information from documents for clients in the insurance industry. After that, I spent almost four years at Charité researching and training models to predict diseases from medical imaging.
In the last three years, my focus has shifted from Computer Vision to Natural Language Processing and Large Language Models (LLMs). Here, I've carried out various projects in different RAG (Retrieval Augmented Generation) systems and agent systems (Agentic AI) from conception to production rollout, e.g.:
- to automate manual compliance checks in eCommerce,
- to make internal company data searchable,
- to answer customer inquiries about products with chatbots and live data from ERP systems,
- to autonomously execute web research in procurement processes
- or to equip internal processes with small assistance systems.
I'm looking forward to the next exciting project with you!
German
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- eine DiakonieSemantic Search SolutionMEDICALJanuary 2025 - Today (1 year and 7 months)
- Conception and implementation of a semantic search solution
- Data analysis and processing with OCR, NLP, and embedding models
- Combination of semantic search and classic search methods like BM25 in a hybrid search approach
- Query Correction
- TerrainQ Solutions:Technical Lead in AI & Development for Compliance Solutions on E-commerce MarketplacesE-COMMERCEOctober 2023 - January 2025 (1 year and 3 months)
- Leadership and execution of development projects for compliance services for e-commerce marketplaces.
- Building a document management system with various AI functionalities
- Charité Universitätsmedizin BerlinData Scientist/ML EngineerMEDICALFebruary 2020 - October 2023 (3 years and 8 months)
- Data analysis and preprocessing of different medical data modalities: Electrocardiograms, retinal fundus images and demographics
- Survival analysis model development with convolutional neural networks and variational autoencoders
- Onset disease prediction model development with convolutional neural networks and transformer models with PyTorch
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Education
- Master of ScienceBerlin University of Applied Sciences2019Professional IT Business (Fokus: Data & AI)
- Bachelor of ScienceBerlin School of Economics and Law2017Wirtschaftsinformatik