David Molnar — Senior Software Engineer

I build useful things with software, hardware, and Bitcoin.

I am a senior software engineer with over 15 years of experience. I build desktop and web applications, client–server systems and embedded software. My work also includes automation and open-source Bitcoin development.

Contact What I do
David Molnar smiling in a bright interior

  • 15+ years

    Software engineering experience

    From firmware to client–server systems

  • C# / .NET

    Applications and backend systems

    Desktop and web environments

  • Open-source

    27,231 GitHub contributions · through 2026

    GitHub profile ↗

What I do

Bitcoin

Bitcoin — development and privacy

Open-source Bitcoin applications, client–server systems and protocol integration. Privacy-aware software design.

Bitcoin node and hardware wallet on a dark desk
Software

Software engineering

C# and .NET — desktop and web applications, client–server architecture, databases and device integration.

Multi-monitor developer workstation with code editors
Firmware

Firmware and embedded systems

ESP32, STM32, Atmel, nRF52. Bluetooth modules, displays, MP3 chips, SD card. Battery-powered handhelds.

PCB, partly disassembled handheld device, oscilloscope and soldering tools
Smart home

Smart home and automation

Home Assistant, Homey, Zigbee. Software integration, control logic, state monitoring and remote access.

Electrical cabinet with control modules and a wall-mounted touch panel

Contact

Book a call · 30 min
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