David Hajdu's Location
Spain, Spain
About David Hajdu
David Hajdu is a Machine Learning Engineer.
David Hajdu's Current Company Details
Machine Learning Engineer
David Hajdu Work Experience Details
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Machine Learning EngineerHolocene Sep 2022 - Apr 2024Berlin, Berlin, GermanyDeveloped end-to-end ML pipelines for Document AI, specializing in NLP tasks and multimodal models for PDF files.Developed multiple proof-of-concept solutions for document classification, layout classification, entity extraction. This includes an encoder-based transformer model that consistently achieves over 97% accuracy in the production pipeline.Integrated and prompt-engineered a GenAI model with Langchain and OpenAI API for special cases of entity extraction.Deployed several model on AWS Sagemaker Inference endpoints.Deployed a centralized logging environment(CloudWatch, S3) which gather log data from docker containers and AWS resources. -
Data ScientistDiaverum Aug 2021 - Aug 2022Collaborated with clinicians and healthcare administrators to convert predictive model outputs into actionable insights and effective decision support tools for clinical practice.Developed a POC for early thrombosis detection, using metadata from dialysis machines, patient healthcare reports, laboratory results and demographics data.Provided continuous support and maintenance to optimize the integration and performance of machine learning tools within clinical environments. -
Data ScientistCentral Médiacsoport Zrt. Mar 2020 - Jul 2021Budapest, HungaryDeveloped various recommender systems and worked on search optimization.Built news recommendation systems using Django, PostgreSQL, and Spark, incorporating topic modeling, collaborative filtering, and ranking methods. These systems significantly enhanced user engagement and click-through rates.Designed and deployed a Multi-Armed Bandit algorithm using UCB for a recipe recommendation engine, optimizing user engagement and dynamically adapting to user preferences.Created numerous automated reports in Grafana for various departments to analyze and improve user engagement. -
Data AnalystDeloitte Hungary Apr 2019 - Mar 2020BudapestCreated both automated and manual reports to support audit processes.Reproduced automated calculations in line with specific bank' methodologies, including interest rates and default interest.Collaborated with the Risk Advisory department on various credit risk calculations (e.g., EAD, PD, LGD).Partnered closely with bank teams to gain a comprehensive understanding of their processes and implement their methodologies effectively. -
Software DeveloperSkyguard Dec 2016 - Mar 2019Developed mobile applications for iOS and Android, translating stakeholder ideas into functional solutions.Created a Bluetooth-enabled gate opener for secure access control.Designed a fleet tracking application to monitor and manage client vehicles.Implemented a digital, cloud-based worksheet for company mechanics.Developed a cloud-based contract management system for the sales department.Built an OCR solution using TensorFlow for plate number recognition.
Frequently Asked Questions about David Hajdu
What is David Hajdu's role at the current company?
David Hajdu's current role is Machine Learning Engineer.
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