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My work


  • Business Information Systems
  • Medical Information Systems
  • Building Automation
  • Network Security
  • Education
  • WiFi HotSpot (Captive Portal)
  • Web-based graphical editing (eg. diagram editor)
  • Map Database
  • Vehicle Fleet iManagement, GPS Tracking
  • Progressive Web Applications (PWA)


  • Platforms: NodeMCU, OpenWRT, Raspberry Pi, Android, Linux, UNIX, HTML5, PWA
  • Programming Languages: TypeScript, JavaScript, Rust, C, C++, Java, Lua
  • Framework/SDK: React, Redux, Express, Koa
  • Databases: PostgreSQL, MongoDB, Redis, SQLite, MySQL


Daxer DotLine EduTax GNS Karakter 2000 Naturland Scanfleet Szombathelyi Arachnológiai Műhely
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My process

I am an experienced Software Engineer and a Creative Problem Solver who does not get frightened by a complicated challenge and always finds a Solution.

I love simple, efficient solutions. You'll not find applications carved from Wordpress or other complex systems here. I research, design and develop bespoke solutions crafted to each of my discerning client's needs.

When you trust me with your project, I organize the best team for the task which delivers the perfect solution for your problem.

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You have encountered a problem that requires a Software Engineer with a broad experience?

You have this awesome idea, the next Big Thing, but you don't know how to start?

You don't have a clear vision about your software idea?

You need some help in managing your development process?

I can help you find the appropriate solution.


You need a Web Application, Mobile App, PWA or any other software?

You need to integrate applications, IoT devices, cloud services?

I have experiences in all of that.


I help you operate the software we established together.

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Let's get in touch!

I really love to chat with people, who care to do things the right way.

I engage only a few projects at once to ensure each one gets my complete attention and creative commitment. Contact me today to enquire about availability.

Tell me about your project

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Szilárd Hajba
Phone: +36 20 203 3156

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