Roman C.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

👋 About Me Hi, I’m Roman, a Qt/QML C++/JS Developer with over 13 years of experience in building high-performance desktop and embedded applications. I specialize in crafting efficient, user-friendly solutions for a range of industries, from chat clients to in-car infotainment systems. I thrive in challenging environments, constantly pushing for optimization and smooth integration between QtQuick/JS UI and middleware. I also have a proven track record in cross-platform development (Windows, Mac, Linux) and have worked with custom-compiled versions of Qt for projects that demand a high level of performance and customization. What I Offer: ☑️Qt/QML Development: Mastering the ins and outs of Qt5 and Qt6, including custom builds and patches. ☑️C++/JS/Python Expertise: Crafting performance-critical applications with deep knowledge of memory management and optimization. ☑️Desktop & Embedded Apps: Extensive experience in automotive infotainment systems and desktop applications. ☑️Cross-platform: Windows, Mac, Linux, and even mobile (via QtQuick). ☑️Performance Tuning: Optimizing apps to meet stringent performance requirements using tools like Heaptrack, Valgrind, and Gammaray. 💼 Notable Projects: 🪙 Status app: A cross-platform chat client with crypto wallet integration, that provides another level of security of communications. 🖥WowApp: A cross-platform desktop chat client with voice, video, and screen-sharing capabilities. 🚗 Peugeot & Citroën Infotainment System: Optimized performance and integrated complex middleware for smooth UI experiences in in-car systems. 🖨 Embedded Printer Solutions: Developed software for handheld sticker printers used in industrial applications. Feel free to get in touch if you need a developer who is passionate about delivering robust, scalable, and optimized Qt-based solutions!