Qt Experts in Stuttgart
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Meet FRATCH Experts in Stuttgart, who have recently used Qt
Matthias S.
Last position:
Software Developer and Consultant at CLADE GmbH
- Analysis of the existing CAN communication between microcontrollers
- Analysis of the sensors used and the measured values collected
- Planning the CAN messages for transmitting the measured values
- Iterative adjustment of the microcontroller code to the new CAN messages
- Cross-compilation from x64 to arm64
Alban T.
Last position:
C/C++ Developer on AIX Systems for SAP Kernel System Integration at IBM Research and Development
- AIX/Linux system administrator: deployment of LPARs (Logical Partitions) for SAP Kernel Development
- C/C++ SAP kernel development and integration to SAP HANA Database
- C/C++ programming and software integration, support for SAP kernel on AIX system; development and testing on SAP VDI
- Example: development of the ABEC Tool (AIX Build Environment Checker) to create SAP build environments for debugging process and benchmarking
- Benchmarking and test execution of SAP kernels (test from the communication to the SAP HANA Database and to SAP NetWeaver) on AIX
- Automate the SAP kernel build via Jenkins and benchmarking over crontab jobs
- New C/C++ compiler design and testing (based on Clang++ and LLVM)
- Customer ticket handling to resolve SAP kernel bugs and build failures
- SAP kernel development with Rust programming language, migrating some sub-kernel projects from C/C++ to Rust because of Rust's memory safety model, ownership system, and concurrency features
- Refactoring selected components in Rust and integrating them with existing C++ codebase via FFI
Gerhard W.
Last position:
Self-employed Software Developer at Self-employed Software Developer
- OpenStreetMap integration for a logistics system of PTV Transport GmbH
- Contributed to portal software
- Webshop system in PHP with login, shopping cart, order management and PDF invoice module, AdminLTE
- Cash book application for managing income and expenses (including export functions)
- Helpdesk system with ticket management, user roles and automatic notifications
Harald B.
Last position:
Software Architect at Amoria Bond
- Developed gateway demonstrator
- Defined system requirements for topology and data concentrator
- Designed zonal controllers for Leoni
Sri M.
Last position:
Electronics Engineer at Dausinger + Giesen GmbH
- Designs and develops new high-precision analog/digital PCBs for laser control systems using Eagle and KiCad.
- Leads hardware testing, failure analysis, and systems integration for all PCBs within high-power laser systems.
- Conducts component-level debugging on PCBs, tracing faults from power supply rails to communication lines (CAN, SPI) and sensor data (ADC/DAC).
- Identifies burned/damaged components, performs SMD/THT rework and soldering to repair and validate boards.
- Developed an advanced auto-alignment algorithm using Particle Swarm Optimization (PSO) and PID control in Embedded C. This firmware uses a 4-Quadrant-Diode (4QD) PCB’s ADC signals to control piezo mirrors, automatically maximizing the laser’s power position.
- Developed an Autonomous Laser Alignment System using a PIC18F26K83. Implemented a Bayesian Optimization algorithm to maximize optical power by controlling a 2-axis piezo inertia mirror mount.
- Designed a "Virtual Encoder" in software to track position for an open-loop system.
- Configured the Internal ADCC in Burst Average Mode to filter high-impedance photodiode noise.
- Interfaced with a PI E-870.41 driver using a custom 20kHz multiplexed pulse train.
- Developed a robust CAN Bootloader for the dual-core dsPIC33CH, enabling remote firmware updates. Solved deep-level bugs related to hardware timer conflicts, slave core fuse-bit mismatches, and CAN state management.
- Installs and integrates validated PCBs into the final laser systems, verifying all CAN, power, and I/O cabling and debugging any system-level hardware/software conflicts.
- Contributes to the development of the C++/Qt-based system control software, integrating CAN protocols to control and test all PCBs from a unified application.
Elvir B.
Last position:
Software Architect and Software Developer at Noctica IT GmbH
- NocTime time tracking, workshop planner, meal delivery service app
- LLM-based chat bot to control the NocTime time tracking system via voice input
- New and further development of customer solutions based on the Noctica SAS app framework
- Technologies: Java 17, Spring Boot, JPA, Hibernate, JavaScript, TypeScript, Angular 20, Angular Material, React, C#, Docker, Bash, Git, GitLab, RedMine, SQL, DBeaver, MariaDB, PostgreSQL, Python, TensorFlow, Ollama, various LLMs
Discover over 15,000 top freelancers
Statistics of experts using Qt
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
1.3 years (Germany: 2.9 years)
Positions per freelancer
13 (Germany: 16)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Manufacturing, Automotive
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 97%)
Master's degree or higher
83% (Germany: 67%)
Certifications per freelancer
2 (Germany: 1)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 96%)
Based on our profile pool as of 16 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Stuttgart 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 in Stuttgart 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 16 Oct 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 (100%)
- Manufacturing (83%)
- Automotive (50%)
- Aerospace and Defense (33%)
- Banking and Finance (33%)
- Healthcare (33%)
- Agriculture (17%)
- Construction (17%)
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 from The Qt Company. It combines C++ libraries with tools for graphical interfaces, networking, data handling, multimedia and device integration. Teams use Qt to share much of one codebase across Windows, Linux, macOS, mobile systems and embedded targets.
Products and interfaces
Qt supports polished desktop software, touch interfaces and embedded user experiences. QML and Qt Quick are used for fluid, declarative interfaces, while traditional Qt Widgets remain useful for complex desktop tools. Qt also provides modules for 3D graphics, web content, Bluetooth, serial communication and industrial data flows.
- Desktop applications for technical and business workflows
- Embedded HMIs for vehicles, machines and medical equipment
- Cross-platform control panels and monitoring tools
- Prototypes that can evolve into production software
Ecosystem and tooling
Strong Qt specialists work comfortably with modern C++, QML, JavaScript and the Qt Meta-Object System. They use Qt Creator, CMake, Qt Design Studio, version control and automated build pipelines. Depending on the product, useful adjacent skills include OpenGL, embedded Linux, Yocto, real-time constraints, REST APIs and hardware communication.
When companies need experts
Companies often bring in freelance Qt expertise when a product must reach several operating systems without losing a consistent user experience. External specialists can modernize a Qt Widgets application, introduce QML, resolve platform-specific defects or prepare a prototype for production. In Stuttgart, this can support automotive, industrial automation, electronics and research-related projects, with remote or on-site collaboration arranged around the team’s workflow.
- A legacy Qt codebase needs a clear upgrade path
- A device interface must connect reliably to hardware
- A release requires testing across several target systems
- Internal C++ capacity is limited during a critical phase
What strong specialists deliver
Good professionals clarify target platforms, hardware limits and product risks before changing code. They separate interface logic from business logic, structure QML components carefully and keep C++ ownership clear. They also understand packaging, deployment, accessibility, localization, performance profiling and long-term maintenance rather than focusing only on visual screens.
Choosing the right fit
Review shipped Qt products that resemble the intended system, not only generic C++ work. Ask how the specialist handled thread safety, memory ownership, model-view design, input devices, build reproducibility and platform differences. A practical technical discussion should expose whether they know the Qt ecosystem deeply and can communicate clearly with product, design and hardware teams. For Stuttgart-based collaboration, confirm availability for German-speaking stakeholders or an English-speaking delivery process early.
Frequently asked questions
Questions about Qt? Start with the answers below.
Qt is used for desktop applications, embedded HMIs, industrial control software, automotive interfaces and cross-platform tools. Its C++ libraries and QML-based interface stack support products that need consistent behavior across several operating systems or hardware targets.
Qt generally offers tighter integration with C++ and lower-level system resources than Electron, which relies heavily on web technologies. Compared with separate native frameworks, Qt can reduce duplicated interface and application logic across platforms, although teams must still account for platform-specific behavior and licensing.
A strong Qt specialist often combines modern C++, QML, JavaScript, CMake and automated testing. Embedded projects may also require embedded Linux, Yocto, OpenGL, device protocols or real-time programming, while desktop products may benefit from packaging, accessibility and localization knowledge.
The need depends on the product’s risk and scope rather than a fixed period of experience. A small interface change may suit a specialist familiar with Qt Widgets or QML, while an embedded product benefits from someone who has handled deployment, hardware integration, performance limits and long-term maintenance with Qt.
Qt projects can often be delivered remotely when source control, target hardware access, build environments and test devices are organized well. On-site sessions in Stuttgart may still help with hardware bring-up, usability reviews or coordination with automotive and industrial teams; clarify German and English communication needs at the start.
Ask for examples involving the same target platforms, interface approach and integration challenges as your project. Discuss ownership, signal and slot design, QML performance, threading, testing, packaging and debugging methods; a capable Qt professional should explain trade-offs clearly and show maintainable delivery practices.
Qt Widgets suits information-dense desktop tools and established applications with traditional controls. Qt Quick and QML are often better for animated, touch-first or embedded interfaces, but the choice should follow platform constraints, team skills, accessibility needs and the expected maintenance path.
The Qt framework is available under commercial and open-source licensing options, with obligations that depend on the modules, license choice and distribution model. Freelancers should help the client verify the applicable terms with The Qt Company and document third-party components before release.
The average hourly rate of freelancers in Stuttgart, Germany who have used Qt in their recent projects is 87 €, which corresponds to a daily rate of about 699 € based on an 8-hour working day.
Of the freelancers in Stuttgart, Germany who have used Qt in their recent projects, 100% hold at least a Bachelor's degree and 83% hold at least a Master's degree.
On average, freelancers in Stuttgart, Germany who have used Qt in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 1.3 years.
The most common languages among freelancers in Stuttgart, Germany who have used Qt in their recent projects are German (100%), English (100%), and French (17%).
The most common industries among freelancers in Stuttgart, Germany who have used Qt in their recent projects are Information Technology (100%), Manufacturing (83%), and Automotive (50%).
The most common business areas among freelancers in Stuttgart, Germany who have used Qt in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (83%).
Main locations of FRATCH Experts, who have recently used Qt
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
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