QML Experts in Germany
, matched in minutes by AIHire experts who create responsive Qt Quick interfaces, connect QML views to C++ back ends and deliver touch-ready desktop, mobile or embedded products. FRATCH matches you quickly and precisely with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used QML
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.
Dirk Markus M.
Last position:
Scientific Software Consulting Engineer
Technical audit for scientific software.
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.
Kai W.
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 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, e.g. calendar, chat, and various tables
Mario J.
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 T.
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 S.
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 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
Ravi K.
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.
Thomas K.
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.
José Francisco F.
Last position:
Consultant - Model Based Systems Engineering at System Design Central
- Definition of software architecture and behavior using UML
- Development and evaluation of software functions in cooperation with software developers
- Definition of modeling guidelines for software design activities
- Analysis of the current and target states of the tools to be migrated
- Definition of migration steps and migration planning
- Execution of the migration
- Requirements elicitation and requirements documentation
- Analysis of model-based software development tools against identified customer requirements, followed by recommendations
- Definition and analysis of textual software requirements
- Analysis of customer requirements with regard to understandability, unambiguity, completeness, and verifiability
- Development and evaluation of system concepts in cooperation with hardware and software specialists
- Definition of system architecture and behavior using SysML
- Definition of modeling guidelines for the automatic creation of textual specifications from SysML models
- Definition of training concepts for Model Based Systems Engineering processes
- Definition of modeling methods for system development activities
- Development of standalone executable system models with IBM Rhapsody
- Development of graphical user interfaces in QML and Altia Design for system models
- Definition of modeling guidelines for the specification of model-based tests
- Implementation of UTP2 concepts in SysML
- Support for test engineers in defining system tests
- Development of IBM Rhapsody extensions for the automatic verification of the consistency, correctness, and completeness of SysML models
- System design training with SysML & MagicDraw, SysML & IBM Rhapsody, and SysML & Enterprise Architect
- Definition of project tasks and project schedules
- Preparation of effort estimates
- Customer support and project acquisition
Kai N.
Last position:
Firmware Developer (GPS Receiver) at Collins Aerospace
- Continued updates to NavHub GPS server firmware on ARM system
- Developed embedded C/C++ code using Eclipse, embedded Linux, GCC
- Implemented web UI with JavaScript/jQuery, PHP, CSS, HTML
- Configured HTTPS/PKI setup using OpenSSL and Nginx
Holger D.
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.
Discover over 15,000 top freelancers
Statistics of experts using QML
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
3.6 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
86%
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
100%
Based on our profile pool as of 19 Sep 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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
QML 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 (75%)
- Automotive (67%)
- Education (50%)
- Telecommunication (42%)
- Healthcare (38%)
- Aerospace and Defense (33%)
- Banking and Finance (25%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
QML at a glance
QML is a declarative language in the Qt framework for describing user interfaces, layouts, animations and interaction. It uses a readable, component-based syntax and works closely with JavaScript for UI logic. QML is commonly used with Qt Quick to create fluid interfaces across desktop, mobile, automotive and embedded products.
What QML builds
QML is suited to products where visual responsiveness and a consistent experience matter. Typical deliverables include:
- Touchscreen interfaces for embedded devices and vehicles
- Desktop applications with animated, adaptive views
- Mobile interfaces that share components across platforms
- Reusable design systems and custom Qt Quick controls
- Prototypes that can evolve into production software
Ecosystem and tooling
Strong QML specialists work across the wider Qt ecosystem, including Qt Quick, Qt Quick Controls, Qt Multimedia, Qt Location and Qt WebEngine. They use Qt Creator, Qt Design Studio, CMake, Qt Test and profiling tools to build, inspect and package applications. JavaScript inside QML and C++ integration are central skills for production work.
When companies need expertise
Companies often bring in freelance QML expertise when an embedded product needs a new interface, an existing Qt application needs modernization or a product team must share UI code across operating systems. In Germany, this can support collaboration between product, hardware and software teams while keeping remote and on-site work aligned. A specialist can also establish component conventions before a larger delivery phase.
Integration and delivery
QML interfaces frequently depend on C++ services, device APIs, sensors, network calls and local data stores. Professionals should define clear boundaries between presentation logic and business logic, expose safe models to QML and handle asynchronous updates without blocking the interface. They may also configure cross-compilation, resource management, localization, accessibility and deployment for the target hardware.
Signs of strong specialists
Quality is visible in both the interface and the structure behind it. Look for professionals who can explain:
- How they keep QML components reusable and easy to test
- How they diagnose binding loops, memory use and rendering delays
- How they connect QML safely to C++ and external services
- How they adapt layouts for touch, keyboard and different displays
- How they document Qt versions, build steps and deployment constraints
A strong portfolio should show production interfaces, not only visual mock-ups. Clear trade-offs around performance, maintainability and device limits are equally important.
Frequently asked questions
Quick answers to the questions that come up most around QML.
QML is used to describe interactive user interfaces with layouts, states, animations and reusable components. It is especially common in Qt Quick applications for embedded devices, automotive systems, desktop software and touch-focused products.
QML is generally chosen for fluid, animated and touch-friendly interfaces, while Qt Widgets suits traditional desktop controls and established widget-based applications. The right choice depends on the target device, existing Qt code, visual requirements and the team's preferred maintenance model.
A strong QML freelancer usually understands Qt Quick Controls, JavaScript, C++, CMake and Qt Creator. Experience with model-view patterns, signals and slots, threading, device APIs, testing and cross-compilation is valuable for production delivery.
The required level depends on the scope. A small interface prototype may need solid QML and Qt Quick knowledge, while a product connected to hardware or a C++ service layer calls for deeper experience with performance, deployment, testing and long-term component design.
Yes, QML work can often be done remotely when source code, build environments and target-device access are available. On-site sessions may still help with hardware integration, usability testing or debugging physical displays, and teams should agree on communication language and documentation early.
QML commonly handles presentation and interaction, while C++ provides services, data models and performance-sensitive logic. A sound integration uses carefully designed properties, signals and invokable methods rather than placing core business rules throughout the UI.
Ask how the QML specialist structures components, manages bindings and tests important states. Review examples of responsive layouts, C++ integration and performance diagnosis, then discuss how the work will be documented and maintained by the wider team.
Qt Modeling Language is the expanded name associated with QML, the declarative language used in Qt Quick. In current Qt projects, QML is the standard name, and it is commonly discussed together with the Qt framework and its tooling.
The average hourly rate of freelancers in Germany who have used QML in their recent projects is 94 €, which corresponds to a daily rate of about 754 € 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 86% 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 3.6 years.
The most common languages among freelancers in Germany who have used QML in their recent projects are German (100%), English (100%), and Spanish (21%).
The most common industries among freelancers in Germany who have used QML in their recent projects are Information Technology (100%), Manufacturing (75%), and Automotive (67%).
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 (79%).
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
