About Me
Welcome to my Creative World
Hey. I’m István, a freelance software developer. I’m passionate about creating innovative digital solutions, that solve real-world problems and inspire growth. Whether you need a stunning website, a custom app, or a seamless automation script, I bring creativity, technical expertise, and a client-focused approach to every project.
My Work Experience
Software Developer
Freelance, Germany
2024 - Now
- Process Automation: Using Python to automate data handling, reporting, and workflow tasks
- AI & Intelligent Solutions: Integrating Generative AI and building custom prompts to enhance marketing, content creation, and customer interaction.
- Full-Stack Web Development: Building and maintaining high-performance websites and web applications with WordPress and modern frameworks.
- Mobile App Development: Creating cross-platform mobile applications for Android and iOS to engage customers on any device.
- Quality Assurance: Architecting test automation frameworks to ensure software reliability, performance, and a flawless user experience.
Test Automation Engineer
XRoadMedia GmbH, Austria
2021 - 2023
- Developed new automated tests and maintained the existing ones in Python for an AI-Powered, Real-Time Personalization and Recommendation system based on REST API.
- I fixed more than 1000 failing Python tests. I reduced the execution time to less than half. (17 hours -> 8 hours)
Software Engineer
Rubin Informatika, Hungary
2019 - 2021
- Developed a new python test framework for a real-time pricing system
- Coded hundreds of automated tests
- Presented new developments and features to customers
- Wrote daemons in python (information processing and data transmission daemons).
Frontend Developer
CAE Healthcare, Hungary
2019 - 2019
- Participated in developing a web application used in health education with Angular – Typescript on frontend and Perl on backend
My Skills
Programming languages
- Python, Perl, C, C++, C#, Bash, Common Lisp, Kotlin, and React Native
Web development
- Angular, TypeScript, JavaScript, HTML5, CSS, WordPress
Database management
- Oracle SQL, MS SQL, PostgreSQL, MySQL, SQLite, Supabase
Testing
- Testomat, SikuliX, Appium, Browserstack, Selenium, Postman, PyTest
Other
- SVN, GIT, Mercurial, JIRA, Confluence, Docker, BDD, MQTT
My Studies & Certificates
Computer Science BSc
University of Pannonia, Hungary
2016 - 2019
- Title of thesis: Development of a dashboard interface for monitoring the operation of an automatic distributed system
- During my University studies, I had an opportunity to program a LEGO EV3 robot to play football using Python.
CCNA Security certificate
University of Pannonia, Hungary
2019
- Cisco Certified Network Associate Security
Machine Learning Crash Course
Currently
When I am not Working I am Travelling
My Approach to Technology & Work
Practical Solutions Over Perfection
I believe technology should solve real problems—not chase unnecessary complexity. My focus is on delivering functional, efficient tools that work reliably in your specific environment.
Continuous Improvement
Every project is an opportunity to refine and optimize. Whether it's streamlining test automation or simplifying a clunky workflow, I look for ways to make systems better over time.
Clear Communication
Tech only succeeds when everyone understands it. I prioritize straightforward explanations and transparent progress updates—no jargon, no surprises.
Adaptability as Standard
The best solutions flex to meet changing needs. I design with future adjustments in mind, whether that's scalable code or modular automations.
Technology in Service of People
At its core, every system exists to help users. I build with human factors front and center—from intuitive interfaces to maintainable architectures.