QML Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used QML
Muhammad Jamshaid Iqbal
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.
Dirk Markus M.
Last position:
Scientific Software Consulting Engineer
Technical audit for scientific software.
Oliver Ohly
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.
Kai Wolf
Last position:
biobedded systems GmbH
- Embedded software development for EMS safety boards in medical technology according to IEC 62304 / ISO 13485
- Technologies: C++, OpenCV, Python, Qt6, JTAG, UART, CMake, IEC 62304, ISO 13485
Reginald Leonczuk
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, e.g. calendar, chat, and various tables
Mario Jelinski
Last position:
Architect / Developer at handyhase
- Overhaul of the entire design and implementation of new UI/UX aspects using React
- Planning of the software architecture and structuring of the project for long-term scalability using Git for version control
Ronald Tonn
Last position:
Product Owner at Dataport AöR
- Setting up and growing the business unit
- Stakeholder management
- Conducting and facilitating workshops to gather requirements
- Requirements analysis and solution design
- Backlog management
- Project planning and management
- Resource planning
Andreas Spernol
Last position:
Mobile and Web Portal Full-Stack Development (Freelance)
- Maintenance and further development of a web portal and a mobile app as a full-stack developer.
- Handling customer requests and bug fixes.
- Implementing REST APIs and database access with Java Spring.
- Maintaining and enhancing a web frontend with AngularJS.
- Maintaining and enhancing an iOS and Android mobile app with Qt/C++/QML, including updating the app in the respective stores.
- Technologies: Qt/C++/QML, AngularJS, Java Spring, MongoDB, OAuth.
Alban Tchuinkou
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
Thomas Klaube
Last position:
Software Design & Development: VideoDownloader at Ing.-Büro Thomas Klaube
Development of an application for macOS to view and download video streams as well as to view and record live TV streams.
Technologies: C/C++, Objective-C, Qt 6.7.2 / Qt 5.9.6, QtCreator, QtDesigner, QtLinguist, Xcode, UI development based on QtWidgets, qmake, make, git, shell scripting, Apple LauchAgents, Apple AVFoundation, ffmpeg, ffplay, fffprobe.
Platforms: macOS Sonoma, macOS Mojave.
Ravi Kiran
Last position:
System Test Coordinator at Visteon Electronics Germany GmbH
- Project coordination: Managed timelines, deliverables, change requests (CRs) and resources, combining maturity gate reviews and program increments.
- Stakeholder management: Building strong relationships with both internal teams and external customers.
- BMW programs: BCP, BDC, MIC Next, IDC Evo, covering functional validation (including functional safety), product validation, homologation and compliance.
- Risk management: Proactively identified and resolved critical risks in software/product releases through cross-functional coordination to keep projects on track.
Holger Dettmar
Last position:
Software Developer
- Gained familiarity with complex legacy software for controlling central ship systems (Ada, Java, C++).
- Implemented tests to identify memory leaks.
- Refactored existing project content and tests to object-oriented standards.
- Identified and fixed bugs in existing distributed Java and C++ applications on a DONAR/CORBA network.
- Products: Squish, NetBeans, MKS Integrity, DONAR, CORBA, DOORS, Windchill.
- Skills: Python, Java, Linux, C++, Ada.
Rainer Koloc
Last position:
Course “Data and AI Analyst” at International University
Michael Kraft
Last position:
Bytec Medizintechnik
- Developed solution to filter heavily noisy analog sensor data by combining high-speed sampling with digital firmware filtering
- Increased battery life of a battery-powered medical device from about 10 days to about 18 months
- Supported the overall project up to initial clinical tests and TÜV approval
Roland Peffer
Last position:
General Manager and Owner at Clixxun GmbH
- Software design & development (external and internal projects)
- Product management
- System and software architecture
- Purchase, sales, marketing
- Software project management
- Thematic focus: Video streaming, image & signal processing, consumer electronics, medical applications, automotive HMI, learning systems
Discover over 15,000 top freelancers
Statistics of experts using QML
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
3.4 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, Business Intelligence
Bachelor's degree or higher
95%
Master's degree or higher
85%
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using QML
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
QML for interfaces
QML is a declarative language for building modern user interfaces with Qt Quick. It fits smooth screens, responsive layouts, and interactive product flows where visual structure matters more than low-level widget code.
What experts deliver
Strong QML professionals build and maintain:
- Qt Quick screens and reusable components
- animated, touch-friendly interfaces
- desktop, mobile, and embedded product UIs
- integration with C++ backends and application logic
Ecosystem and tools
QML work often sits inside the Qt ecosystem. Typical companion skills include Qt Quick Controls, JavaScript inside QML, C++, and the Qt Creator toolchain. Good specialists also understand state handling, signals, bindings, and performance tuning.
When companies bring in help
Teams usually look for freelance QML expertise when they need to speed up a product launch, modernize an existing Qt application, or unblock a UI layer tied to backend work. In Germany, this is common in industrial software, hardware-facing products, and tools that need a clean cross-platform interface.
What strong specialists do
The best QML experts keep component logic simple, separate UI from business code, and design for reuse. They know how to avoid binding issues, reduce rendering overhead, and keep the codebase readable for long-term maintenance.
Where QML fits
QML is often chosen for control panels, device screens, internal tools, and product interfaces that need fast iteration. It is also a common choice when teams want Qt Quick for a modern look without giving up C++ where it still belongs.
Frequently asked questions
Quick answers to the questions that come up most around QML.
QML is used to build modern Qt Quick user interfaces with responsive layouts, transitions, and reusable screen components. It is common in desktop software, embedded products, and mobile-style interfaces where the UI must feel smooth and current. Teams often pair it with C++ when the visual layer needs a separate business layer.
QML is usually the better fit for fluid, animated, and touch-friendly interfaces, while Qt Widgets is often chosen for classic desktop-style applications. If a project needs a modern look, flexible layouts, or reusable UI components, QML tends to be the stronger choice. For long-lived legacy desktop tools, Widgets may still be part of the mix.
No. QML is widely used in embedded systems, but it also shows up in desktop tools, control software, and cross-platform products. Many teams choose it because the same UI concepts can work across different device types with Qt.
A strong QML specialist usually knows Qt Quick, JavaScript, and C++. Experience with Qt Creator, signal and binding design, and component reuse also matters. For larger products, knowledge of performance debugging and clean separation between UI and backend code is important.
A small UI update may only need a focused QML specialist, but a full product screen redesign or embedded interface usually needs someone with broader Qt experience. The harder the integration with C++ and device logic, the more important it is to bring in someone who has shipped similar work before. For existing codebases, review and refactoring skills matter as much as new feature work.
Yes, QML work is often handled remotely, especially when the task is UI implementation, refactoring, or component design. On-site time can help when the project involves hardware, lab devices, or close work with industrial systems. For Germany-based teams, clear communication in English is usually enough, though German can help in local cross-functional teams.
Look for a QML portfolio that shows real Qt Quick interfaces, not just simple demos. Good signs are clean component structure, sensible state handling, readable bindings, and a clear way of connecting UI to C++ or backend code. Ask how they prevent performance problems and how they keep screens maintainable over time.
QML is the language, while Qt Quick is the UI framework and scene system it works with. In practice, people often say QML when they mean the whole Qt Quick front-end stack. If a freelancer understands both terms, they are more likely to be comfortable with the full interface layer.
The average hourly rate of freelancers in Germany who have used QML in their recent projects is 95 €, which corresponds to a daily rate of about 762 € based on an 8-hour working day.
Of the freelancers in Germany who have used QML in their recent projects, 95% hold at least a Bachelor's degree and 85% hold at least a Master's degree.
On average, freelancers in Germany who have used QML in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 3.4 years.
The most common languages among freelancers in Germany who have used QML in their recent projects are German (100%), English (100%), and Spanish (22%).
The most common industries among freelancers in Germany who have used QML in their recent projects are Information Technology (100%), Manufacturing (74%), and Automotive (70%).
The most common business areas among freelancers in Germany who have used QML in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (83%).
Main locations of FRATCH Experts, who have recently used QML
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.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
