Hire the Best QT Developers
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"Hands-down, one of the best devs I've worked with on Upwork." - ScreenStory Senior C++ Engineer with 18+ years building real-time and embedded systems, multimedia pipelines, and high-performance desktop applications. Top Rated Plus on Upwork - 9,900+ hours and $400K+ earned across 28+ long-term engagements. MORE FROM CLIENTS "Excellent in every regard: communication, work, making logical inferences, asking good questions. Truly the top of the top." - Skan AI "A very reliable, knowledgeable and professional developer who is a pleasure to work with." - Clickdrive WHAT I BUILD - Rich UI/UX and high performance desktop applications on C++/Qt, C# .Net Framework WPF/UWP/WinUI XAML - Multimedia & Real-Time Screen recording engines (Desktop Duplication API, Windows Graphics Capture, GDI), low-latency video/audio pipelines on FFmpeg, WebRTC streaming with custom builds and Janus SFU, DirectX GPU compositing with custom pixel shaders, audio DSP with RNNoise. - Embedded & HMI Industrial automation, locomotive on-board systems, HMI on Qt/QML, ModBus / RS-232/485 / Can. Codex industrial labeling software for ALE sas - Real-Time Backends SCADA alarm-module backend with high-throughput low-latency event handling, gRPC, multithreaded C++17/20 architecture. - Native Library Bindings C++ cores with bindings to Electron (Node-API), Flutter (FFI), Python. Cross-platform Windows and macOS. - Engineering Infrastructure CI/CD on Jenkins and Azure DevOps, self-hosted Sentry deployment, CrashRpt, automated quality gates, structured Git workflows. HIGHLIGHTS - 7 years as lead engineer on a portfolio of consumer multimedia and document-processing applications (architecture + implementation across a team of 3) - Locomotive driver HMI deployed on operational locomotives in real-world service - Automated engine test bench: reduced testing time by 40%, increased throughput from 6 to 10 engines per shift - Currently leading C++/MFC -> Qt migration on the Ham Radio Deluxe product suite (41,500+ active users) Core stack: C++ (17/20) · Qt (QML, QWidgets) · CMake · vcpkg · FFmpeg · WebRTC · Desktop Duplication API · Media Foundation · DirectX · MFC · gRPC · Multithreading · ModBus · Windows Embedded · C# .NET · Electron Node-API · Jenkins · Azure DevOps · Sentry WHAT I'M LOOKING FOR Long-term engagements (6+ months) where deep C++ expertise and architectural ownership matter. Equally comfortable in greenfield architecture and rescuing legacy codebases. Available for fixed-price projects and hourly contracts.

I am a C++ Developer with a strong command of modern C/C++, specializing in object-oriented design, template metaprogramming, and multithreaded application development. My work is guided by a deep understanding of computer architecture and performance optimization, enabling me to write software that is not only functional, but also efficient, scalable, and maintainable. My experience with Qt and QML allows me to build responsive, cross-platform desktop applications that combine performance with clean, intuitive user interfaces. I follow best practices in code structure, memory management, and debugging to ensure long-term stability and reliability. Technical Skills: 🧩 C / C++ (C++11/14/17/20) 🧩 GoLang 🧩 Java programming 🧩 Multithreading & Concurrency 🧩 Template Metaprogramming 🧩 OOP & STL 🧩 Qt / QML Desktop Application Development 🧩 Performance Profiling & Optimization 🧩 Cross-Platform Software Development 🧩SQL I am detail-oriented, analytical, and highly reliable. I take responsibility for the quality of my work and aim to deliver solutions that are not only functional, but also efficient, readable, and easy to maintain. If you are looking for a C++ developer who understands performance, architecture, and clean design, I would be glad to discuss your project and contribute to its success.

I was working in many projects. Some things which I was programming - Messengers, Trading Bots, Notepads, IDE, Design Software, Mods to Games, Automatization of Oil Company (modbus, opc, etc...) and many others. I am open to new and ready to join your startup! My key skills: Strong c++: - multi-threading, - networking, - boost Key Qt skills: - QML, - QSS, - Qt WebEngine, - Qt Installer Framework Databases: - MySQL, - Postgres, - SQLite Linux/Unix: - system programming, - bash scripting Strong lua: - work with nginx, - dynamic libraries Skills in mathematics: - numerical methods, - higher mathematics

* 10 years of writing performant and reliable C++ code * 3 years of experience with Golang * Good experience in developing desktop applications employing GPU and VR capabilities * Ability to debug complex scenarios and work with legacy code without breaking anything * Fluent English

If you need to design a solution based on computer vision,image processing, desktop applications, I’m ready to provide my services. I am experienced and highly qualified Software Engineer with a demonstrated history of working in the various fields like telecommunications industry, internet add recommendation sphere, 3D development and image processing sphere. I would like to work on exciting projects with goal orientated manner. Skilled in C++/Python/Qt 3D development/image processing/opencv Unity/Sql/MySql

I am Artur Matevosyan, a C++/Qt Developer with over 8 years of experience in building high-performance cross-platform applications, specializing in EDA, AI healthcare, and game development. My expertise lies in modern C++, rendering optimization, multithreading, and UI architecture, ensuring that I deliver impactful features for real users. My professional journey includes significant contributions to large-scale projects at Synopsys, where I modernized legacy codebases and improved performance in core UI modules. I have also developed healthcare AI applications at Codabra, focusing on high-performance UI components and seamless UX. My experience in game development at Mytona allowed me to enhance features used by millions of active players. Technical Skills: - C++ (C++14/17/20), Qt5/6, QML - Multithreading & Concurrency - Rendering Optimization - UI Architecture & Design Patterns - OOP & STL - Cross-Platform Development (Windows, macOS, Linux, iOS, Android) - Databases & Networking (SQLite, HTTP/REST/WebSockets) Tools: Git, Jira, CI/CD, QT Creator, Visual Studio, GDB. I am detail-oriented, analytical, and committed to delivering efficient, scalable, and maintainable solutions. If you are looking for a developer who understands performance, architecture, and clean design, I would be glad to discuss your project and contribute to its success.