CANopen Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used CANopen
Volker Foitzik
Last position:
Technical Lead | Software Architect | Embedded Software Engineer at Hydac
- Development of safety-related embedded software for a mobile machine on a Hydac TTC 2390 controller.
- Implementation in C with consideration of SIL 3 / ASIL D and MISRA-C:2025.
- Implementation of communication via CAN, CANopen, and J1939.
Standards, guidelines and norms: ISO 26262, IEC 61508, MISRA-C:2025
Technologies: C99, Hydac TTC 2390, Infineon TriCore Aurix TC397, Hightec C/C++ Compiler, PC-lint Plus, CAN, CANopen, J1939, MISRA-C:2025
Hendrik Wagner
Last position:
Software Test and Maintenance Support at Anton Paar ProveTec GmbH
- Add/create test specifications
- Conduct regression tests
- Conduct release tests
- Analyze Jira tickets
- Identify software defects and fix them with C#
Basel Jaber
Last position:
Senior Application Engineer / Product Manager at Altran Magnetics LLC
- Oversee development and optimization of key products, including DP contactors, EMI filters, and circuit breakers.
- Lead certification processes ensuring compliance with UL, TÜV, and VDE standards.
- Act as technical liaison between customers, sales teams, and manufacturing to deliver customized solutions.
Oleksii Kvasnikov
Last position:
Software developer (freelance) at Sasse Elektronik GmbH
- Built custom Yocto Linux image with Docker support (NXP i.MX 6ULL)
- Developed distributed Python application (web interface, gas/temp control)
- Designed multiple docker containers for production and development
- Wrote documentation per IEC 62304
Eddy Kaldjob
Last position:
Project Manager at Jungheinrich Norderstedt AG & Co. KG
Project management for embedded software development (batteries & chargers)
Management of (sub-)projects for the development of embedded software for lead-acid batteries and Li-ion battery management systems (BMS) and chargers in industrial trucks
Coordinating the specialist departments involved and external service providers from the start of the project to series maturity. Planning internal and external field tests.
Ensuring project goals in terms of quality, costs and deadlines
Planning and managing the use of resources
Clarifying project-specific issues in direct contact with internal customers
Regular reporting to the client
Requirement engineering and system design
Coordinating customer specifications with the client and comparing with the system platform
Creating and managing system requirements and high-level system design
Technical review of requirements with software developers, hardware designers, test and validation engineers, and service technicians.
Karl Spielberger
Last position:
Software Consultant, Architect, and Developer at Forklift Truck Manufacturer
Consulting in all areas of software development such as architecture, inter- and intra-process communication, end-to-end validation
Monitoring and measuring resources such as runtime and memory usage
Specification of interface and implementation patterns as well as high-level and detailed specifications
Design and implementation of functional and safety software
Specification of unit tests and support of the integration and software tests in the HIL test department as part of software validation
Development of platform-independent control and regulation software for a fuel cell system (multi-processor 16-bit and multi-core 32-bit)
Development/concept design of state machines
Development/concept design of control algorithms
Development/concept design of inter-process safety communication
Development/concept design of basic software components for parameter, characteristic curve, and error management
Development of vehicle communication based on CAN
Development/concept design of commissioning, maintenance, and service interfaces via CAN and UDS diagnostics
Conducting validation and supporting external validation
Creating specifications for testing
Alexander Bröcker
Last position:
Owner at PEMA-TEC Alexander Bröcker
- Project to develop the complete software for a film roll warehouse at American Packaging Corporation, Story City, Iowa (warehouse vehicles SINATIC S7, warehouse management C#, Microsoft SQL Server, AGV interface C++, ERP system interface REST API)
- Development of a warehouse simulator for real machine processes aimed at optimized storage of film rolls (C#)
- Project to develop the complete software for a printing cylinder warehouse at Huhtamaki, Ronsberg (warehouse vehicles TIA Portal, warehouse management C#, Oracle, ERP system interface DB table)
- Further development of the warehouse simulator for improved programming of the movement planner
- Project to read and analyze QR codes on letters in the letter sorter at XPROMA GmbH, Salzhausen (program as a service for fast reading of QR codes via two Keyence barcode readers in C#, Microsoft SQL Server, TCP/IP; program for monitoring and parameterizing the barcode readers and triggering the data export in C#, Microsoft SQL Server, SFTP transfer)
- Project for the development and programming of a low-cost management system for automated guided vehicles with Egemin Automation Inc. and American Packaging Corporation (C++, C#, Microsoft SQL Server, TCP/IP)
- Project for the test stand development and automation of SYS.5 tests for the climate actuator at ETO GRUPPE TECHNOLOGIES GmbH, Stockach (test stand software LabVIEW, C#; test evaluation DIAdem, C#; databases Microsoft SQL Server)
Michael Beck
Last position:
Developer/Consultant at Fresenius Medical Care
- Development of automated end-of-line tests (functional tests) for dialysis machines on a PLC test bench in a production environment
- Introduction of new technology based on Vector vTestStudio, CANoe, and Siemens S7 PLC
- Creating test concepts
- Implementing test cases and libraries in CAPL and C#
- Touch screen emulation and proprietary RPC (Remote Procedure Call) via CAN
- Connecting to the PLC (Siemens Simatic)
- Defining interfaces for device communication (vCDL)
- Defining user interfaces and linking to the frontend (JSON)
- Agile work using DevOps (Azure)
- Skills: CAPL, .NET, C#, vCDL, CANOpen, DevOps, PLC
- Tools used: Vector CANoe 18, vTestStudio 4, MS Azure DevOps, MS Visual Studio 2022, Mosquito MQTT, Git, Siemens TIA Portal
Alexander Willer
Last position:
Freelance Head of Development / Strategy Consultant at LabMaker GmbH
- Consulting on a wide range of open science hardware projects in the fields of electronics, mechatronics, and optoelectronics
- Comprehensive system analysis and DFM optimization of a novel open hardware miniaturized two-photon microscope
- Exchange with scientists from renowned academic institutions to align the customer’s work in the best possible way
- Production coordination with local and international partners for PCB assembly, CNC machining, and optics
- Process analysis for product design, production planning/execution, product lifecycle, and product data management
- Coaching employees from all departments on the requirements that complex technical products place on business processes
- Development of a comprehensive PLM & PDM concept tailored to the needs of development and manufacturing
- Initiating intensive and direct cross-departmental exchange to identify improvement potential
- Planning shopfloor layout improvements with the production team and supporting the implementation process
- Quick onboarding of two new English-speaking colleagues in technical product management and development
- Ad-hoc and in-depth training of employees in the use of software tools such as KiCad or Autodesk Inventor
- Consulting on long-term development into a scalable, even stronger partner for the open science hardware community
Daniel Carton
Last position:
Founder & Managing Director at BotCraft GmbH
- Building the company with a focus on connectivity for IIoT and Industry 4.0, iRPA/process automation, advanced robotics and smart systems, sensors and services
- Project management and software architecture for IoT gateway development (since 2020) with protocol translation, IT/OT convergence and GRC
- Developing RPA bots for automating and monitoring industrial processes with an agent-based AI approach (since 2020)
- Implementing unsupervised clustering and anomaly detection for time series data in big data streaming pipelines (since 2021)
- Introducing a Docker-based release train for OTA updates with DevSecOps and CI/CD (since 2018)
Ilhan Catak
Last position:
Senior Battery Systems Expert at Freelancer
400V 50A LFP (LiFePO4) 20 kWh home PV solar hybrid ESS energy storage system with inverter, MPPT, charger and battery pack
ESS systems testing and battery systems consultancy for Senec GmbH – Leipzig, Germany
48V 100A and 60V 120A Li-Ion battery pack design and BMS integration project with direct liquid immersion cooling technology for industrial mobile machinery battery pack at HyperX GmbH – Kornwestheim, Germany
Mostafa Solaiman
Last position:
Embedded Firmware Engineer at Esko-Graphics Imaging GmbH
- FPGA code conversion from AHDL to Verilog and SystemVerilog (Altera Cyclone)
- IDE: Intel Quartus Prime (Altera)
- Code simulation: QuestaSim
- Timing analysis
Tilmann Spahlinger
Last position:
Technical Expert, Software Architect at Rolls Royce Power Systems / MTU
- Created concepts and architecture for ECU diagnostics over CAN-Bus using UDS, PDX, ODX and safety paradigms
- Designed system deployment for EMS and documented using UML, Draw.io, MS Word, MS Visio and Confluence
- Developed process flows for development, planning, logistics, test & diagnostics in Scrum with Jira and MS Planner
- Communicated across multiple customer teams, conducted knowledge transfer
Last position:
Software Developer - Building Automation
- Testing controller ECUs
- Implementing test environment
- Implementing virtual nodes
- Commissioning CANopen network
- Defining and automating test cases
- Designing and implementing LSS automation
- Implementing data exchange between tools
- Porting requirements to XML format for vTestStudio
- Products: CANoe, vTestStudio, Playwright, Cypress, Robot, .NET
- Skills: CAPL, C++, CANopen, concept creation, Python, JavaScript, XML, C#
Janybasha Shaik
Last position:
Diagnostic Software Developer at BMW Group
- Development of the vehicle communication stack in C using AUTOSAR tools for robust inter-module communication within the ECU
- Design, implementation and validation of functions for the electric powertrain, contributing to improved efficiency and reliability
- Definition and verification of system and software requirements, ensuring traceability and compliance with standards
- Collaboration with development partners in North Africa, coordinating architecture, interfaces and integration milestones
- Extension of the communication stack with enhanced security features, increasing resilience against unauthorized access and data manipulation
Discover over 15,000 top freelancers
Statistics of experts using CANopen
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
1.9 years
Positions per freelancer
16
Top business areas
Product Development, Information Technology, Quality Assurance
Top industries
Manufacturing, Automotive, Information Technology
Certification focus areas
Quality Assurance, Logistics, Information Technology
Bachelor's degree or higher
88%
Master's degree or higher
65%
Doctorate
12%
Certifications per freelancer
1
Most common languages
German, English, French
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 CANopen
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
CANopen basics
CANopen is a communication profile built on CAN for embedded and industrial devices. It defines how nodes exchange process data, diagnostics, and configuration data in a clear, interoperable way. Teams use it when many devices from different vendors must work together on a stable fieldbus.
Where it fits
- Machine control and motion systems
- Sensors, drives, actuators, and I/O modules
- Mobile machinery and vehicles
- Medical, energy, and factory equipment
A strong CANopen setup helps devices boot, sync, and report faults in a predictable way. In Germany, it is common in industrial and machinery projects where long product lifecycles and serviceability matter.
Tooling and standards
CANopen work usually centers on the CiA 301 communication profile, plus device-specific profiles and object dictionaries. Professionals also work with node guarding, heartbeat, PDOs, SDOs, NMT states, and CANopen tools for analysis and commissioning. Good experts know how to read traces and map the network model into real device behavior.
When specialists are needed
Companies bring in freelance expertise when a network is unstable, a new device must be integrated, or an old system needs extension. They also help with commissioning, protocol analysis, documentation, and vendor coordination. Common signs are missed messages, mismatched object dictionaries, and devices that work in the lab but fail in the field.
What strong experts do
Strong CANopen professionals work cleanly across hardware, firmware, and field testing. They can trace bus traffic, tune communication timing, set up profiles, and isolate problems in the stack or wiring. They also write clear handover notes so maintenance teams can support the system later.
Typical deliverables
- Network design and node mapping
- Object dictionary review and profile integration
- Commissioning support and protocol debugging
- Legacy system updates and vendor interface work
For German companies, remote support often works well for analysis and configuration, while on-site time is useful for commissioning and wiring checks. The best results come from experts who can explain issues clearly to both engineering and service teams.
Frequently asked questions
The facts hiring teams ask for most often when it comes to CANopen.
CANopen is used to connect embedded devices over a CAN bus in a structured way. It is common in machines, vehicles, drives, I/O systems, and other equipment that needs reliable data exchange and device status handling. Companies often choose it when interoperability and long-term service matter more than a very modern stack.
CANopen adds a standard communication model on top of raw CAN frames. Plain CAN only gives you the transport layer, while CANopen defines device profiles, network management, object dictionaries, and standardized messaging. That makes integration easier when multiple vendors are involved.
Bring in a CANopen specialist when devices do not communicate as expected, the bus is unstable, or a new component must join an existing network. They are also useful for commissioning, mapping process data, and cleaning up legacy documentation. In Germany, they often support plants and machinery teams that need both remote analysis and on-site testing.
A strong CANopen freelancer usually knows CAN bus analysis, embedded systems, device profiling, and basic electrical troubleshooting. Experience with object dictionaries, EDS files, firmware, and industrial commissioning is also important. For some projects, knowledge of motion control or machine safety helps as well.
For a simple device integration or a trace review, moderate CANopen experience may be enough if the setup is well documented. For network redesign, intermittent faults, or legacy systems, you want someone who has solved real protocol issues before. The more vendors and nodes involved, the more valuable deep hands-on experience becomes.
Much of CANopen analysis can be done remotely if you can share traces, device files, and clear system details. Configuration review, protocol debugging, and documentation are often remote-friendly. On-site work still helps when wiring, termination, grounding, or commissioning problems need physical checks.
Look for someone who can explain CANopen behavior in plain language and tie symptoms to bus traffic, device states, or profile settings. Good experts ask for traces, object dictionaries, and network diagrams before suggesting changes. Strong work also ends with clear documentation and a stable handover.
Yes, CANopen is still relevant where existing hardware, proven device profiles, and CAN-based architectures are a good fit. Ethernet systems may be better for some high-speed or larger-scale setups, but CANopen remains practical in many embedded and machine applications. It is especially useful when compatibility with installed equipment matters.
The average hourly rate of freelancers in Germany who have used CANopen in their recent projects is 93 €, which corresponds to a daily rate of about 742 € based on an 8-hour working day.
Of the freelancers in Germany who have used CANopen in their recent projects, 88% hold at least a Bachelor's degree, 65% hold at least a Master's degree, and 12% hold a doctorate.
On average, freelancers in Germany who have used CANopen in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 1.9 years.
The most common languages among freelancers in Germany who have used CANopen in their recent projects are German (100%), English (100%), and French (20%).
The most common industries among freelancers in Germany who have used CANopen in their recent projects are Manufacturing (95%), Automotive (75%), and Information Technology (55%).
The most common business areas among freelancers in Germany who have used CANopen in their recent projects are Product Development (100%), Information Technology (95%), and Quality Assurance (95%).
Main locations of FRATCH Experts, who have recently used CANopen
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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