Human-Machine Interface Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Human-Machine Interface
Gregor P.
Last position:
Engineering Data Management Project Manager
Technical and commercial risk assessment for an investment project in the hardware sector (scaling potential, liability risks, operational processes) Process consulting for two SMEs in the engineering environment, with a focus on workflow digitization and PLM
Yusuf C.
Last position:
Senior Software Engineer at LeiKon GmbH
- Development of scalable backend applications with C#/.NET and Java
- Design and implementation of distributed microservice architectures
- Development and integration of REST APIs for industrial applications
- Development of modern web applications with React, Angular, and TypeScript
- Implementation of MQTT-based communication solutions
- Integration of industrial protocols such as OPC UA and Modbus TCP
- Development of batch, process control, and HMI components
- Containerization and deployment of applications with Docker
- Conducting code reviews and supporting architecture decisions
- Close collaboration with Product Owners, QA, and interdisciplinary teams
- Analysis of business requirements and implementation of technical solutions
- Further development of existing software architectures with a focus on maintainability and performance
Technologies: C#, .NET, ASP.NET Core, Java, C++, React, Angular, TypeScript, Vue.JS, MQTT, OPC UA, Modbus TCP, Docker, GitLab, MariaDB, MySQL, Linux
Muhammad Tanveer B.
Last position:
Embedded Systems Consultant / Architect | Integration and Validation Engineer / Manager at Ingenieurbüro Baig
Led the hardware development and validation of a safety-critical 400-V battery management system (BMS) for the TOGG SUV program; performed system architecture reviews, schematic validations, EMC and reliability tests, and root cause analyses in compliance with relevant automotive standards (ECE-R10, CISPR25, ISO-26262). Coordinated cross-country EU engineering teams, customer reviews, and technical documentation to deliver a production-ready, validated system.
Architected and integrated 22 state-of-the-art ADAS validation vehicles for BMW ADCAM and LIDAR programs at Magna Electronics; synchronized up to 26 heterogeneous sensors (LIDAR, RADAR, cameras, GNSS/INS) using PTP-based timing architectures. Defined the system architecture, HW/SW interfaces for hardware-in-the-loop (HIL) rework, sensor integration strategies, and data acquisition frameworks. This enabled scalable vehicle-level validation, improved validation efficiency by 25%, and reduced project costs by €1.45 million.
End-to-end validation and integration of automotive radar platforms for a Daimler project at Continental. Developed automated open-loop hardware-in-the-loop (HIL) environments to accurately test target tracking KPIs, field-of-view limits, and thermal and voltage-related ECU state machines. Skilled use of a highly complex toolchain consisting of CANoe, Lauterbach Trace32, RADAR target simulators, and EMC shielding chambers for RF and system validation. Synchronized global, interdisciplinary teams to speed up troubleshooting and close critical technical gaps.
Reconstructed and validated the product architecture of an electromechanical e-bike by integrating and troubleshooting critical subsystems (BMS, motor control, sensors, HMI, electronic locking systems). Built a comprehensive system-level test bench for functional testing, fault reproduction, and performance analysis; coordinated suppliers and implemented corrective actions to improve reliability and traceability.
Defined the system architecture and validation strategy for a LIDAR platform developed in cooperation with Elmos Semiconductor; evaluated optical measurement concepts, SPAD detector integration, and system requirements, and created technical recommendations for product development and verification.
Developed LabVIEW-based automation and verification software for a high-precision hydraulic and electromechanical test system for FTE Automotive; integrated NI DAQ hardware for high-frequency real-time capture of physical measurements. Developed automated test sequences, programmable endurance tests, troubleshooting routines, data logging, and analysis tools to improve test efficiency and traceability.
Successfully delivered full engineering life cycles for well-known industrial customers (Magna, Continental, Farasis, FTE Automotive, BMW, Daimler, TOGG) – from requirements engineering and proof of concept to system integration and validation, technical documentation, supplier coordination, and user training.
Volkmar S.
Last position:
Parameterization and support during the commissioning of water treatment at wks GmbH
Parameterization and support during the commissioning of water treatment
Project: New construction of municipal water treatment plant Dörenthe
- Checking the sensors for suitability, installation errors and parameterization.
- Coordination with the PL system for automation.
- Correction of errors
Tools: Endress & Hauser Tools
Emil O.
Last position:
Automation Engineer In House at Prevas AB
Working as an Automation Engineer in Prevas' in-house engineering team. My primary assignment involves developing and expanding ABB 800xA SCADA systems for a large-scale data center project. Responsibilities include SCADA graphic design, alarm management, system integration using OPC UA and Modbus, testing, verification, documentation, and commissioning support. In addition, I contribute to PLC and HMI development projects using Siemens, Rockwell, and ABB platforms and provide 24/7 remote support for industrial customers.
- ABB 800xA & ControlBuilder/ AC800M
- Rockwell Studio 5000 Logix Designer
- Siemens TIA Portal
- ABB 800xA
- Remote Support
- Troubleshooting hardware/software
Saqib J.
Last position:
AI Developer / AI Engineer (Lead) at KOM4TEC GmbH
- Designed and implemented modular AI assistants for sales and business processes within the Microsoft ecosystem (Agentic AI, Copilot extensions)
- Frontend architecture and development with React + TypeScript for embedded chat and assistant surfaces (streaming UI, Hooks, React Query, OpenAPI clients)
- Enterprise-level agent development: reusable skill/agent library, MCP servers, review and compliance gates
- LLM integration into the user experience: Anthropic (Claude), OpenAI, tool use, RAG pipelines, prompt engineering, guardrails
- Architecture and code review consulting, and mentoring within the AI development team
- Integration with Microsoft Graph, Power Platform, and Azure services
- Technologies: React, TypeScript, Anthropic Claude, OpenAI, MCP, RAG, Microsoft Graph, Power Platform, Azure
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
Jens-Uwe P.
Last position:
Architecture and programming for an automotive test bench platform at Automotive supplier
In this project, I was responsible for designing and implementing a new, modular, and highly scalable test bench platform for an automotive supplier. My focus was on developing a robust system architecture and programming the associated software, with UML modeling used consistently throughout. This structured approach significantly increased the reusability of individual LabVIEW test modules and sustainably reduced development time for subsequent projects. I also integrated modern automotive standards such as CAN FD, LIN, and safety requirements, making the solution future-proof.
Technologies: LabVIEW, Visio, UML, CAN FD, LIN, DMM, Safety, Image processing, Project management, HMI, C#, C++, Python, Rust, CI
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.
Youness R.
Last position:
Communication modernization and recipe management between S7-300, S7-1500 and WinCC V7 at Siemens AG
- Consulting and development of suitable communication concepts between S7-300 and S7-1500, taking the existing PROFIBUS infrastructure into account
- Technical support for connecting the S7-300 controllers to the existing recipe data block of the S7-1500
- Assisting in the development of the communication sequence for recipe access (read, write, acknowledge, status handling)
- Configuration of S7 communication (PUT/GET)
- Creation and adaptation of WinCC V7 scripts (C scripts and VBS scripts) for WinCC-based recipe management
- Development, optimization, and integration of recipe processes into the existing WinCC project structure
- Commissioning of the new communication interfaces and recommissioning of the recipe logic on existing systems
- Creation of technical documents: communication sequences, functional descriptions, commissioning documentation
Christoph W.
Last position:
UX/UI Designer at Gebhardt Intralogistics Group
- Development of shuttle warehouse system software for storage and transportation
- Creation of personas and development of use cases
- Conducting usability tests and prototyping
- Development and maintenance of a component library and a style guide
- Software used: Figma, Zeplin, Miro, Azure
- Implementation in a Scrum environment
Björn K.
Last position:
Development Engineer Control Concepts at TU Chemnitz
- Development and validation of control concepts for grid stabilization with MATLAB/Simulink.
- Modeling of converters (VISMA), grids, and loads to study frequency and phase behavior during load steps.
- Analysis of the influence of inertia, damping, and controller parameters on stability, power output, and ROCOF.
- Development of adaptive control strategies to improve synchronization and dynamic grid support.
- Creation of automated simulation and evaluation tools to assess different scenarios and parameters.
Thomas P.
Last position:
GenAI Customer Experience Lead at Samsung Electronics
- Leading initiatives to improve the retrieval and representation of Samsung support content in AI-generated answers, including authoring editorial standards and educating stakeholders on representation risk.
- Developing initial frameworks to measure and evaluate brand representation in AI-generated answers (LLMs, Google AI environments), including prompt baselines and scoring models.
Jochen D.
Last position:
Research Associate at Steinbeis Innovationszentrum Innovation Engineering
Part-time position in a federally funded research project
Frank M.
Last position:
Plan & Code Automation UG
- Operations and rehabilitation
- During this time, development of:
- Websites zentivo-holding.com zyntra3d.com plancodeautomation.com
- Stock trading software
- Automated trading of all financial instruments listed on the stock exchange, with AI integration
- Project management software
- Automated project administration and project management with automated creation of material lists, electrical schematics, PLC programs, HMI programs, AI functions in control technology, project schedules and cost calculations, as well as quotation preparation and cost tracking.
- AI integration
- 3D printing management
- Various methods for creating 3D models from photos, videos or drawings.
- Creation of files suitable for 3D printing, 3D printer management via API.
- AI integration
Tools: Visual Studio, Codex and Cursor, HTML, Java, Python, PHP, C#, Python, SQL, Jason Script.
Discover over 15,000 top freelancers
Statistics of experts using Human-Machine Interface
Aggregated from the professional profiles of matched freelancers.
Experience
21 years
Position duration
3.4 years
Positions per freelancer
13
Top business areas
Product Development, Information Technology, Quality Assurance
Top industries
Manufacturing, Automotive, Information Technology
Certification focus areas
Information Technology, Product Development, Quality Assurance
Bachelor's degree or higher
87%
Master's degree or higher
54%
Doctorate
5%
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany 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 Germany using Human-Machine Interface
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Human-Machine Interface experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Manufacturing (81%)
- Automotive (60%)
- Information Technology (52%)
- Energy (36%)
- Healthcare (35%)
- Aerospace and Defense (29%)
- Education (25%)
- Professional Services (21%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What HMI does
Human-Machine Interface, commonly called HMI, connects people with machines, processes, and production data. It gives operators visual controls, status information, alarms, trends, and guided actions through panels, workstations, or web interfaces. HMI solutions run across manufacturing, energy, logistics, building systems, and process industries.
Industrial applications
HMI projects turn operational data into safe, understandable workflows. Typical deliverables include:
- Operator screens for machines and production lines
- Alarm, event, and trend visualization
- Recipes, permissions, and audit-friendly workflows
- Dashboards for production, utilities, and maintenance
- Remote monitoring interfaces for distributed assets
Tools and connections
Professionals work across visualization suites, PLC environments, SCADA systems, and industrial networks. Common ecosystems include Siemens WinCC and TIA Portal, Rockwell FactoryTalk, Beckhoff TwinCAT, Schneider Electric tools, Ignition, and AVEVA System Platform. Strong knowledge of OPC UA, Modbus TCP, MQTT, SQL, historians, and REST APIs helps connect HMI data with control and business systems.
When companies need specialists
Companies often bring in freelance HMI expertise during machine commissioning, plant modernization, or a migration from legacy panels. Specialists can establish screen standards, integrate new controllers, improve alarm handling, and document the finished system. In Germany, this work often supports manufacturing sites that need practical coordination between automation, operations, and IT teams.
What strong professionals deliver
Effective HMI work starts with the operator’s tasks rather than visual decoration. Experienced specialists structure information by priority, reduce unnecessary interaction, apply consistent navigation, and account for permissions and failure states. They test screens with real process scenarios, validate controller communication, and leave maintainable tags, templates, documentation, and handover materials.
Remote and on-site work
Screen design, tag mapping, documentation, and much of the configuration can be handled remotely. Commissioning, hardware checks, acceptance tests, and production troubleshooting may require access to the site. Freelancers working with German teams should be comfortable coordinating across automation and IT functions, communicating clearly in the agreed language, and following the site’s security and access procedures.
Frequently asked questions
Need clarity? These are the questions we hear most often about Human-Machine Interface.
A Human-Machine Interface lets operators monitor and control machines or industrial processes. It presents statuses, alarms, trends, recipes, and commands through panels, desktop applications, or browser-based screens.
An HMI usually focuses on the operator interface for a machine, cell, or local process. SCADA typically adds broader supervisory control, centralized data collection, historian functions, and monitoring across multiple assets, although modern systems can combine both roles.
A strong HMI specialist often understands PLC programming, industrial networking, and control-system commissioning. Experience with OPC UA, SQL, alarm management, cybersecurity, and production data systems is also useful when the interface connects to wider plant operations.
The right HMI experience depends on the scope and risk of the system. A simple screen update may need focused visualization skills, while a new production line or migration requires proven work with PLC communication, alarms, testing, documentation, and commissioning.
Much of an HMI project can be done remotely, including screen design, tag configuration, documentation, and software testing. Site visits may still be needed for commissioning, hardware access, acceptance testing, or troubleshooting on a live machine.
Common Human-Machine Interface environments include Siemens WinCC and TIA Portal, Rockwell FactoryTalk, Beckhoff TwinCAT, Schneider Electric tools, Ignition, and AVEVA System Platform. The best fit depends on the installed controllers, plant standards, network design, and required integrations.
Review whether the HMI makes operator priorities clear and handles alarms, permissions, failure states, and recovery paths consistently. Ask for examples of testing, tag organization, documentation, and collaboration with controls and production teams rather than judging screens by appearance alone.
Before starting an HMI assignment, clarify the controller and visualization stack, available specifications, tag ownership, network access, testing environment, and commissioning responsibilities. Also confirm whether the work is remote, on-site, or hybrid and which language the operations team expects during handover.
The average hourly rate of freelancers in Germany who have used Human-Machine Interface in their recent projects is 92 €, which corresponds to a daily rate of about 734 € based on an 8-hour working day.
Of the freelancers in Germany who have used Human-Machine Interface in their recent projects, 87% hold at least a Bachelor's degree, 54% hold at least a Master's degree, and 5% hold a doctorate.
On average, freelancers in Germany who have used Human-Machine Interface in their recent projects have 21 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 Human-Machine Interface in their recent projects are German (100%), English (99%), and French (19%).
The most common industries among freelancers in Germany who have used Human-Machine Interface in their recent projects are Manufacturing (81%), Automotive (60%), and Information Technology (52%).
The most common business areas among freelancers in Germany who have used Human-Machine Interface in their recent projects are Product Development (93%), Information Technology (81%), and Quality Assurance (65%).
Main locations of FRATCH Experts, who have recently used Human-Machine Interface
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 
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