About me

I'm Zoltán, a Full-Stack Developer and Data Scientist in Zurich, Switzerland. Combining my roots in Computer Science and Physics, I have spent two decades engineering high-impact solutions for sectors like banking, finance, automotive, and aerospace. I thrive on projects that are intellectually challenging and purpose-driven.
Throughout my career, I've witnessed remarkable technological evolution: from the early days of microservices and mobile computing through IoT, APIs, and containerization, to today's artificial intelligence and large language models. I'm passionate about staying current with emerging technologies and regularly experiment with new tools and techniques through both professional work and personal projects.
To support my continuous learning, I built and maintain my own server cluster. This provides a dedicated environment for running experiments and developing software in isolated virtual machines. I'm a strong advocate for open-source software, and most of my work leverages open-source technologies.
Explore my blog for technical articles on clean code, software architecture, interactive visualizations, and algorithmic challenges, and visit my GitHub to find project source code. This site also features classic puzzles and simulations I've implemented as educational coding projects to showcase my passion for software engineering. Built with Next.js and Markdown, this platform reflects my commitment to creating clean, practical, and elegant digital experiences.
Latest blog posts
Technical Competencies
My Portfolio Of Solutions
InvestonomWeb
Investonom is my favorite personal project that aggregates financial transactions exported from German or Swiss banks and summarizes transactions by creditor or debtor and date. Additional simulations and credit calculations can be added.
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TrueHerbs.ca
TrueHerbs is a small, custom commercial WordPress project for my sister Ildiko. I integrated Calendly appointment booking so customers can book an appointment and have a phone call. The project is hosted on one of my servers in Switzerland.
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Financial Mathematics
For my previous project and also for other purposes, I used Python and JupyterLab to calculate loans and payments as well as for rapid prototyping. Jupyter Notebook is perfect for calculations, data science, visualizations, as well as for interactive documentation.
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Analytics and Security
Website analytics is a must for every project. By analyzing website traffic and custom logs, you can get a much better picture of how your users are using your projects. Without analytics, you have no idea what's happening on your website.
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