Qt Experts
matched in minutes from over 15,000 CVsHire experts who create cross-platform desktop applications, embedded interfaces and connected device software with Qt, C++, QML and Qt Quick. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts who have recently used Qt
Sascha H.
Last position:
Co-founder and self-employed software developer at Kleeschulte & Hörper GbR
- PHP/Laravel development and software architecture
Markus B.
Last position:
Developer / DevOps, Consulting at A state authority in Baden-Württemberg / FSAS Technologies GmbH
Oracle Project Management and Automation
As part of the project, the operation of an Oracle infrastructure was automated through the development and enhancement of Puppet modules and the migration of existing Bash scripts to a standardized configuration management solution.
The project aimed to standardize and automate administrative processes, improve the maintainability of the Oracle platform, and increase the efficiency and traceability of infrastructure management through the use of Infrastructure as Code.
- Analyzed and migrated existing Bash shell scripts to a Puppet-based automation solution
- Developed and enhanced Puppet modules for Oracle environments
- Automated installation, configuration, and operational processes using Infrastructure as Code
- Standardized and optimized configuration management for Oracle systems
- Created and maintained technical and operational documentation
- Planned, coordinated, and provided technical support for project implementation
- Operated and automated Oracle systems on x86-based Linux server platforms
- Tested and ensured the quality of the developed Puppet modules
- Analyzed and resolved technical issues related to automation and migration
- Worked closely with business units and infrastructure teams to implement automation requirements
Technologies used: Puppet 7/8, SLES 15, Oracle 19, Oracle Grid, SVN, Windows Server, Confluence, VS Code, Ruby, Bash, Pass
Andreas W.
Last position:
Self-employed Software Developer at amw-software.net
Peter S.
Last position:
Senior ML Engineer & AI Researcher at Anonymous Client
Project: Defect Generation on Test-Bench Images of Metal Surfaces Environment: Automated Visual Inspection (AVI), Metallurgy & Manufacturing
- Objective & Implementation: Designed, architected, and trained Generative Adversarial Networks (Pix2PixHD / SPADE) for image-to-image transformation. Targeted generation of synthetic material defects (e.g., cracks, inclusions, scale) on rough metal surfaces under real test-bench lighting conditions for privacy-compliant and efficient dataset expansion (data augmentation).
- Technical Design: Implemented robust Generative AI and computer vision pipelines in Python and PyTorch. Used semantic segmentation approaches for mask-controlled defect synthesis and subsequent evaluation with EfficientDet object detection models.
- Business Impact: Massive dataset upscaling (10x) without time-consuming and costly physical test-bench runs, while significantly improving the detection performance of automated inspection systems.
Technologies & Skills Used: Python | PyTorch | SPADE | Pix2PixHD | EfficientDet | Machine Learning | Semantic Segmentation | Computer Vision
Sven W.
Last position:
Simulation of Photometric-Stereo Setups at ID Engineering
- Role: Simulation Engineer
- Environment: Mechanical Engineering / Visual Inspection
- Goals & Implementation: Simulation of photometric-stereo setups to determine the best positions for cameras and light sources for each specific part.
- Business Value: Enabled a low-cost and scalable solution for determining part-specific hardware setups.
- Tech Stack: Python, Blender
Vishnu V.
Last position:
Senior Software Architect at Roche Diagnostics Automation Solutions
- Own the software system architecture for laboratory automation products; specify interfaces across software, middleware, hardware and motor control in a regulated IVD environment.
- Led architecture evaluations and proof-of-concepts for integrating AI capabilities (anomaly detection, predictive maintenance) into lab automation under medical-device quality standards.
- Introduced GenAI-assisted development tools across the team, improving productivity and code review quality.
- Communicate architecture decisions to product and project management; coordinate research and improvement projects with system, electronics and external partners.
Muhammad J.
Last position:
Embedded Linux Intern – IoT Sensor Prototype Development at DHL
- Built a modular C++ 20 embedded Linux acquisition system on a Raspberry Pi, synchronizing IMU and dual-camera data streams to sub-millisecond accuracy.
- Integrated retro-reflective and contrast sensors to trigger acquisition and detect gaps between sorter rails.
- Implemented SPI & I2C sensor communication, GPIO interrupt handling with libgpiod, and CSV & JSON output.
- Designed a multi-threaded acquisition pipeline and an SPSC queue between acquisition and writer threads.
- Built a Python/HTML/CSS based web-server and validated the prototype in a DHL warehouse for defect detection.
- Documented software behavior, configuration, and results for maintainable handover and further development.
Kapil B.
Last position:
Senior Embedded Systems Engineer at BMW group
Testing and verification of high-voltage systems
- Performed integration and system tests for control units in PHEV/EV vehicles using ECU-TEST (TraceTronic), Vector CANoe, CANalyzer, ETAS INCA, Tornado, E-Sys, and EDIABAS.
- Analyzed the interaction of high-voltage control units (including CCU, BMU, inverter, IPB, and IPF) and carried out software updates and flash processes to verify new software versions.
- Worked closely with software, system, and integration teams in an agile development environment to analyze issues and verify new software versions.
Ayusee S.
Last position:
Intern at Schaeffler
- Built a Trend-Scouting AI system to automate technology intelligence in power electronics and semiconductors, combining Azure OpenAI with LangChain, Scrapy-based web crawling for structured, noise-free data acquisition, and automated PDF reporting for internal R&D use. Developed a FastAPI-based (Uvicorn) web application to validate LLM outputs, test prompt strategies, and enable interactive system evaluation.
- Developed a real-time STM32 binary telemetry debugger with a PyQt-based GUI, featuring header-based frame synchronization, anomaly detection, template-driven payload decoding, time-aligned buffering, and live signal visualization.
- Developed an AI-driven power inductor designer using surrogate regression models for accurate electromagnetic and thermal prediction. Integrated multi-objective NSGA-II optimization to generate efficient, manufacturable designs.
Reginald L.
Last position:
ERP System Redesign (web-based)
PHP and React redesign of a web-based ERP system.
- Development of the header and parts of the navigation
- Development of various modules in React, such as a calendar, chat and various tables
Olfa A.
Last position:
Senior Embedded Software Engineer / Function Developer at Enginius GmbH (FAUN GROUP)
- Developed model-based software for hydrogen tank control units using MATLAB/Simulink, aligned with ISO 26262 functional safety requirements
- Performed system integration and software verification across MIL and HIL environments using dSPACE and Vector tools
- Defined software architecture (SADS) with interface specifications for CAN, analog, and digital communication protocols
- Generated production-ready embedded C code using Simulink Embedded Coder; created and maintained A2L calibration files with CANape
- Designed and executed MIL/HIL test cases ensuring full coverage of functional and safety requirements
- Implemented CODESYS PLC applications on IFM ecomatController; applied CAN and Modbus TCP/IP communication protocols
- Contributed to HMI/UI development using Qt/C++ on Linux (Qt Creator)
- Applied agile Kanban workflow with Git-based version control (Bitbucket)
Tools: MATLAB, Simulink, CANape, CANalyzer, PCAN-View, Embedded Coder, CODESYS, TTC2038/PXROS, Codebeamer, Jira, Git
Oliver O.
Last position:
Embedded Software Architect at Automotive supplier
Stellar SR6 G7 line, 32-bit Arm® Cortex®-R52+ MCU.
- MISRA-C, C99, Greenhills ARM compiler
- Dassault AUTOSAR Builder
- EB Tresos
- Sparx Enterprise Architect 16.1
- VS Code
- Python xml, lxml, NumPy and Pandas
ISO 26262, ISO 21434, hypervisor, key management, HSM. Tooling & automation. LieberLieber LemonTree + Sparx EA. Jira, Confluence, SharePoint. Git/Github. DevOps through Jenkins & Conan.
Sunish B.
Last position:
AtlasMind - Production AI assistant for Jira at Mercedes Benz Innovation Labs Gmbh
- Converts natural language into JQL using RAG and pgvector. Returns structured JSON with a query, chart spec, and plain-text answer. A two-stage router answers general questions without touching the JQL pipeline at all.
- Interchangeable LLM backends: Ollama, vLLM, Groq, Anthropic Claude, AWS Bedrock - switchable at runtime, no code changes. Self-healing JQL: on Jira validation failure, feeds error back to LLM, retries up to 4 times. OCI Vault for secrets. Deployed on Oracle Cloud A1 with GPU inference over Tailscale private network. Open source.
Omar T.
Last position:
Technical Advisor — AI Products & Solutions at ProActive Integrated Solutions Global
- Own the technical direction of several AI products in a product-owner capacity: shape roadmaps, guide the in-house development team, and provide oversight from concept through delivery.
- Act as the technical bridge between stakeholders, end clients, and vendors for a solutions provider (reseller and in-house products): evaluate vendor solutions against client needs, lead vendor discussions, and support sales and pre-sales with technical solution design.
Ammar A.
Last position:
Software Development | Test & Validation | Data & AI Engineering
- Requirement-based test case design for automated parking maneuvers.
- Implementing and running test cases.
- Integration within the existing AVP (Automated Valet Parking) SW framework.
Discover over 15,000 top freelancers
Statistics of experts using Qt
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
2.9 years
Positions per freelancer
16
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Manufacturing, Automotive
Certification focus areas
Information Technology, Product Development, Quality Assurance
Bachelor's degree or higher
97%
Master's degree or higher
68%
Doctorate
10%
Certifications per freelancer
1
Most common languages
German, English, French
Speak two or more languages
96%
Based on our profile pool as of 11 Nov 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts using Qt
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 11 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Qt experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (86%)
- Manufacturing (78%)
- Automotive (60%)
- Healthcare (47%)
- Education (39%)
- Banking and Finance (36%)
- Telecommunication (31%)
- Aerospace and Defense (27%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Qt is
Qt is a cross-platform application framework for building graphical user interfaces and native-feeling software. Its core libraries cover events, networking, files, threads, multimedia, databases and hardware communication. Qt applications commonly use C++ with QML for fluid, declarative interfaces.
Where it runs
Qt supports desktop software on Windows, macOS and Linux, as well as mobile, industrial and embedded environments. It is used in medical devices, automotive displays, manufacturing tools, scientific instruments and consumer hardware. A shared codebase can support several operating systems while still allowing platform-specific integration.
Ecosystem and tooling
The Qt ecosystem includes Qt Widgets, Qt Quick, QML, Qt Multimedia, Qt Network, Qt SQL and Qt Test. Qt Creator provides project management, code editing, debugging and profiling, while CMake is widely used for builds. Strong specialists also work with version control, continuous integration, cross-compilation and device deployment.
Typical project work
- Design responsive desktop interfaces with Qt Widgets or Qt Quick
- Create embedded user interfaces for displays and connected devices
- Integrate cameras, sensors, serial connections and proprietary hardware
- Connect applications to REST services, databases and message systems
- Package and release software across multiple operating systems
When companies need specialists
Freelance expertise is valuable when an existing Qt product needs a new interface, platform migration or performance improvement. Companies also bring in specialists to replace legacy UI technology, prepare embedded releases, fix difficult C++ memory issues or establish reliable automated testing. Clear requirements around target devices, operating systems and Qt licensing help projects start well.
What strong professionals bring
A strong Qt professional understands both the framework and the system beneath it. They can choose between Widgets and Qt Quick, structure signals and slots cleanly, manage ownership and threading, and diagnose rendering or startup problems. They document build environments, test on real target hardware and explain trade-offs between portability, native integration and long-term maintenance.
Frequently asked questions
Before you brief your next project: the most common questions about Qt.
Qt is used to create desktop applications, embedded interfaces, industrial control screens, automotive systems and connected device software. Its libraries also support networking, multimedia, databases, testing and hardware integration.
Qt combines mature C++ libraries with Qt Quick and QML for modern interfaces. It is often weighed against .NET MAUI, Flutter, Electron and native platform toolkits; the right choice depends on hardware access, performance, deployment targets and the existing codebase.
A strong Qt specialist usually brings modern C++, CMake, Git and automated testing experience. Depending on the project, useful adjacent skills include QML, Linux, embedded systems, OpenGL, REST integration, SQL, cross-compilation and continuous integration.
The needed level depends on the system, not only its size. A simple interface may need focused Qt knowledge, while an embedded product or mature C++ application calls for a professional who can handle architecture, threading, performance, deployment and hardware constraints.
Yes, many Qt projects can be handled remotely when source code, build tools and test environments are accessible. On-site work can still matter for hardware commissioning, laboratory equipment or secure devices, so teams should define access, time zones and communication expectations early.
Qt Widgets suit traditional desktop applications with dense forms, menus and established native controls. Qt Quick is usually better for animated, touch-oriented or embedded interfaces, especially when a separate visual layer and rapid UI iteration are important.
Ask for examples involving the same target platforms, interface style or hardware constraints. Review how the professional structures C++ and QML, handles ownership and signals, tests on real devices, manages CMake builds and investigates performance issues.
A Qt freelancer should clarify the Qt version, licensing model, supported operating systems, compiler toolchain and release process. They should also ask whether the project uses Widgets or Qt Quick, how hardware is accessed, and which parts of the codebase need modernization.
The average hourly rate of freelancers who have used Qt in their recent projects is 89 €, which corresponds to a daily rate of about 714 € based on an 8-hour working day.
Of the freelancers who have used Qt in their recent projects, 97% hold at least a Bachelor's degree, 68% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers who have used Qt in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2.9 years.
The most common languages among freelancers who have used Qt in their recent projects are German (100%), English (96%), and French (18%).
The most common industries among freelancers who have used Qt in their recent projects are Information Technology (86%), Manufacturing (78%), and Automotive (60%).
The most common business areas among freelancers who have used Qt in their recent projects are Information Technology (100%), Product Development (95%), and Quality Assurance (76%).
Main locations of FRATCH Experts, who have recently used Qt
Our freelancers and interim experts are at home all over Germany — available on-site in Berlin, Hamburg, Munich and every major business hub, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Hamburg 
Munich 
Stuttgart In Austria our freelancers and interim experts support companies from Vienna to Graz — on-site where your project needs them, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Vienna Graz Across Switzerland our specialists are active in Zurich, Geneva, Basel and Bern — working on-site or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Zurich Geneva Basel Bern Countries:
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