Bálint Décsi
balint.decsi@gmail.com balintdecsi.github.io LinkedIn GitHub Vienna, Austria / Budapest, Hungary
Experience
CTO
- Leading technical strategy and execution at Proximata, a Vienna-based hacker lab.
- Driving product and engineering decisions from concept to production for AI-native products.
- Building tech solutions and spinoffs by enabling ambitious builders with infrastructure and resources.
- Company profile: LinkedIn.
Builder
- Member of Hungary's first hacker space.
- Engineering an ML-driven SaaS that generates stylized comics with consistent characters from images.
- Rapid prototyping using Supabase, Firebase, and modern full-stack tools.
- Leveraging AI Agents (Cursor, Gemini CLI, Copilot) for accelerated, parallelized development.
Data Engineer
- Engineering scalable ML solutions and pipelines for the fixed-line business segment.
- Building a modern Data Lakehouse using Apache Iceberg on Google Cloud Platform.
- Developing automated Apache Airflow pipelines for robust data ingestion and processing.
Advanced Analytics Expert
- Optimizing network infrastructure using unsupervised machine learning techniques.
- Implementing Explainable AI (XAI) to drive business engagement and trust in model decisions.
- Developing interactive geospatial visualizations to support strategic network planning.
Data Scientist
- Fourth rotation in Vodafone's Discover Graduate Program (six-month rotations in different position for two years for freshly graduated employees).
- End-to-end delivery of machine learning models for external B2B clients.
- Engineered a custom feature store for geospatial and location-based data.
- Developed automated web scraping tools for competitive intelligence gathering.
Data Analyst
- Third rotation in Vodafone's Discover Graduate Program (six-month rotations in different position for two years for freshly graduated employees).
- Architected foundation data models for a major geospatial retail analytics initiative.
- Translated complex analytical results into actionable reports for business stakeholders.
Data Warehouse Specialist
- Second rotation in Vodafone's Discover Graduate Program (six-month rotations in different position for two years for freshly graduated employees).
- Designed and implemented optimized data marts on a cloud-native lakehouse architecture.
- Collaborated with cross-functional stakeholders to define technical data requirements.
Data Engineer
- First rotation in Vodafone's Discover Graduate Program (six-month rotations in different position for two years for freshly graduated employees).
- Built ETL pipelines migrating critical on-premise data to cloud-based environments.
Undergraduate Research Fellow
- Developed computer vision plugins for automated biological image analysis.
- Applied deep learning techniques to high-throughput microscopy data.
- Designed and implemented robust data management systems for large-scale measurements.
Education
MS Business Analytics
MS Data Science for Machine Learning
BS Molecular Bionics
Exchange — Biomedical Engineering
Certifications
- Generative AI Fundamentals
- Launching into Machine Learning
- Modernizing Data Lakes and Data Warehouses with Google Cloud
- Introduction to Responsible AI
- EUGLOH Summer School
Awards & Scholarships
- Highlighted Study Scholarship of the Hungarian State
- Municipal Scholarship of Szeged
- Campus Mundi Scholarship
- IT Star Award
- Data Rockstar