Hire the Best QT Developers
in the United States

Hello, I am a developer experienced in making prototype test and app for image processing using various language and framework. I also can help you in hardware control. If you need help for making app or project, I can help - Python, C/C++ projects - Flutter based cross platform projects - Window Application and .Net Projects - OpenCV Image processing Projects - Unity Engine Projects I’d be happy to discuss your project and see how I can help. Feel free to reach out anytime.

Software Engineer with 20+ years of diverse experience in software development, systems administration, database administration, project management and software architecture design. Have a passion for C++/Qt/QML and Linux OS, but feel comfortable working with a lot of other frameworks and tools as well as different OSs, such as Windows, MacOS, iOS and Android. Also some of projects I was participating in were related to embedded Linux, Raspberry Pi, Arduino. I keep up with good coding standards and deliver high quality code. Technical Skills: - Programming Languages: C++, Python, Unix shell scripting, Delphi, Perl, PHP, JavaScript. - Development Tools: QtCreator, CMake, qmake, GCC, GDB, Valgrind, GIT, Subversion, Jenkins, JIRA, AppImage - UI Toolkits/Libraries: Qt, QML - Databases: MySQL, PostgreSQL, Firebird, sqlite, MSSQL. - Web Base Frameworks: Django, FatFree - OS Administration: Linux (Redhat/CentOS, Debian/Ubuntu), Windows, Virtual Machines (VMWare, VirtualBox). - Linux Services: DNS, DHCP, proxy server (squid), web server (apache, nginx), mail servers (qmail+clamav+vpopmail+SpamAssassin; postfix+vpopmail), iptables, SSH, FTP, samba, NFS, VPN (openvpn, pptp, pppoe). - VoIP: SIP, SKINNY, Cisco Finesse API Recent work: - Document generator tool "CuteReport" (C++/Qt/QML, SQL, GIT) - EMR application (C++/Qt/QML) - VoIP Softphone application (SIP, SKINNY, Finesse, C++/Qt/QML) - Smart farm automation (C++/Qt/QML)

Need a Full Stack Developer who ships production-grade AI-integrated SaaS on time? You're in the right spot. 🏆 𝟭𝟬+ years as a Full Stack Developer (ex-Amazon, UT Austin MS) 📊 $𝟰𝟬𝟬𝗞+ earned on Upwork across 𝟴𝟱 Full Stack Developer projects 🎯 Top Rated Plus with 𝟵𝟵% Job Success Score ⚡ 𝟭𝟬𝟬+ production builds as lead Full Stack Developer ✅ Full Stack Developer for AI agents, SaaS MVPs, and workflow automation 💼 Austin, TX based | Full Stack Developer team with global capacity ⭐⭐⭐⭐⭐ 𝑰 𝒉𝒂𝒗𝒆 𝒘𝒐𝒓𝒌𝒆𝒅 𝒘𝒊𝒕𝒉 𝒔𝒆𝒗𝒆𝒓𝒂𝒍 𝒔𝒊𝒎𝒊𝒍𝒂𝒓 𝒔𝒆𝒓𝒗𝒊𝒄𝒆 𝒑𝒓𝒐𝒗𝒊𝒅𝒆𝒓𝒔 𝒂𝒏𝒅 𝒃𝒆𝒆𝒏 𝒊𝒎𝒑𝒓𝒆𝒔𝒔𝒆𝒅 𝒘𝒊𝒕𝒉 𝑨𝒔𝒂𝒅 𝒂𝒏𝒅 𝒉𝒊𝒔 𝒕𝒆𝒂𝒎 𝒐𝒏 𝒆𝒗𝒆𝒓𝒚 𝒍𝒆𝒗𝒆𝒍. 𝑬𝒙𝒄𝒆𝒍𝒍𝒆𝒏𝒕 𝒄𝒐𝒎𝒎𝒖𝒏𝒊𝒄𝒂𝒕𝒐𝒓𝒔, 𝒑𝒓𝒐𝒂𝒄𝒕𝒊𝒗𝒆 𝒊𝒏 𝒑𝒓𝒐𝒃𝒍𝒆𝒎-𝒔𝒐𝒍𝒗𝒊𝒏𝒈, 𝒂𝒏𝒅 𝒕𝒉𝒆 𝑭𝒖𝒍𝒍 𝑺𝒕𝒂𝒄𝒌 𝑫𝒆𝒗𝒆𝒍𝒐𝒑𝒆𝒓 𝒐𝒖𝒕𝒑𝒖𝒕 𝒘𝒂𝒔 𝒑𝒓𝒐𝒅𝒖𝒄𝒕𝒊𝒐𝒏-𝒓𝒆𝒂𝒅𝒚 𝒇𝒓𝒐𝒎 𝒅𝒂𝒚 𝒐𝒏𝒆. (Julian M., Upwork, 2025) As a Senior Full Stack Developer and agency lead based in Austin, I build AI-integrated SaaS platforms and custom automation for founders who need real engineering judgment. My team and I focus on Full Stack Developer work that actually ships: React and TypeScript frontends, Python and Node.js backends, AI layers that hold up in production. Full Stack Developer-first approach, agency-grade execution. Ex-Amazon Full Stack Developer, UT Austin Computer Science. 🔶 𝗣𝗿𝗼𝗽𝗧𝗲𝗰𝗵 𝗔𝗜 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 ($𝟳𝟬𝗞): Lead Full Stack Developer on an AI-driven real estate assistant for a US startup. React, TypeScript, Python, OpenAI API, Supabase. Shipped to production. 🔶 𝗘𝗹𝗲𝘃𝗲𝗻𝗟𝗮𝗯𝘀 𝗩𝗼𝗶𝗰𝗲 𝗔𝗴𝗲𝗻𝘁 𝗦𝘆𝘀𝘁𝗲𝗺: Full Stack Developer architecture connecting voice AI to Zapier, CRM, and calendar booking. 🔶 𝗟𝗶𝗻𝗸𝗲𝗱𝗜𝗻 𝗟𝗲𝗮𝗱 𝗚𝗲𝗻 𝗼𝗻 𝗻𝟴𝗻: Full Stack Developer build processing 10K+ profiles/day with AI enrichment, deduplication, and CRM sync. 🔶 𝗠𝘂𝗹𝘁𝗶-𝗧𝗲𝗻𝗮𝗻𝘁 𝗔𝗜 𝗦𝗘𝗢 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺: Full Stack Developer from zero to launch. Next.js, FastAPI, PostgreSQL, LangChain. 🚀 𝗔𝗜-𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗲𝗱 𝗦𝗮𝗮𝗦 & 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁𝘀 ✔️ Full Stack Developer for AI agents, RAG systems, LangChain and LangGraph workflows ✔️ OpenAI API, Claude API, and custom LLM integration with prompt reliability and context management ✔️ Full Stack Developer on FastAPI, Node.js, Next.js, Supabase, and PostgreSQL data layers 🔄 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 ✔️ Full Stack Developer for n8n, Zapier, and Make (dot) com at production scale ✔️ Full Stack Developer integrations: CRMs, databases, email, payments, AI services ✔️ Error handling, retry logic, and data consistency across systems ⚡ 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿: 𝗠𝗩𝗣 𝘁𝗼 𝗣𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 𝗦𝗮𝗮𝗦 ✔️ Full Stack Developer builds on React, TypeScript, Python, MVP to production-grade SaaS ✔️ Multi-tenant architecture, auth, permissions, and scaling patterns ✔️ DevOps and deployment on AWS, Vercel, Railway, and Supabase 🎯 𝗪𝗵𝗼 𝗜 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗮𝘀 𝗮 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿: 🔹 Founders building AI-native SaaS products from zero 🔹 Agencies needing Full Stack Developer capacity for client work 🔹 Series A to C startups scaling production systems 🔹 Operators replacing broken n8n, Zapier, or Make .com workflows with a real Full Stack Developer 𝗡𝗼𝘁 𝗮 𝗳𝗶𝘁 𝗶𝗳: you need a solo Full Stack Developer for a $500 landing page, WordPress customization, or trading/crypto systems. 💡 𝗛𝗼𝘄 𝘄𝗲 𝘄𝗼𝗿𝗸: ✔️ Day 1-3: Discovery call, architecture doc, and scoped milestones from your Full Stack Developer team ✔️ Week 1: First working increment deployed to staging ✔️ Ongoing: Weekly demos, async Slack updates, documented handoffs from the Full Stack Developer lead ✔️ What you get: Production Full Stack Developer output, full source, handoff docs, direct team access 📞 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝗺𝗼𝘃𝗲? Send the job details and we will reply with a scoped plan within 24 hours. Looking for a Full Stack Developer who ships? Let's talk.

35 years of experience in software engineering complemented by solid knowledge of computer science, mathematics and electrical engineering.

I'm C/C++ software developer. 6+ years of cross-platform software development, experienced in creating & debugging complex commercial software. Life cycle advanced user of deb/rpm based Linux distributions. Experienced with Linux, Windows, Mac OSX, Android operating systems. Key Skills: ★ C/C++ programming languages. ★ QT Cross platform framework. Additional Skills - Script Languages, Frameworks, Libraries, Software: ★ FFMPEG, OPENCV, MPV ★ Bash, GNU Make, CMake ★ Standart Template Library - STL ★ WinAPI, FLTK, Xlib, Xrecord, libqt, portaudio, libao, Cocoa. ★ GDB, Valgrind, VirtualBox, GIT, Qt Creator, Qt Designer. ★ Binance API, Pine script. I have all necessary hardware & software to prepare cross-platform builds and tests: ✴ Windows, MAC osx. ✴ Linux distros and free space to add necessary OS. ✴ Raspberry Pi 2. ✴ Android devices. Github account: github.com/AlexanderAgd

Proactive Embedded Software Engineer with a master's degree in Math from the University of Guadalajara, with more than 6 years using C/C++/Qt and 4 years using Flutter. Detail-oriented and able to learn new concepts quickly. Highly-motivated employee with desire to take on new challenges. Strong worth ethic, adaptability and exceptional interpersonal skills. Adept at working effectively unsupervised and quickly mastering new skills. Experience working with Linux embedded devices, networking protocols TCP/IP, UDP, DNP3, IEC - 61850 and with common embedded communication buses such as I2C, SPI, USB. 1. **Yocto Linux** - **Custom Embedded Linux Distribution**: Utilized the Yocto Project to create a tailored embedded Linux image. - **Layer Customization**: Managed and customized Yocto layers, including meta-layers for specific hardware (e.g., VAR-SOM-MX7). - **Recipe Creation and Modification**: Developed custom recipes for application deployment and optimized existing ones for