SAE J1939 Experts in Germany
in minutes from over 15,000 CVs with the power of AI.Hire experts who understand SAE J1939 messaging, ECU integration, and heavy-duty CAN networks, and who can support diagnostics, testing, and implementation on-site or remotely. Fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used SAE J1939
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
S.r.k. Chandra
Last position:
Senior Software Engineer at STEPPS GmbH / Motherson Dr. Schneider
Project: Intelligent Light Communication Software — Audi
- Analysis and clarification of system requirements with the customer and translation into software architecture and design decisions
- Architecture and implementation of CAN FD and SPI communication on NXP S32K312
- Design and development of flash bootloader, flash driver, and boot manager for secure OTA-capable updates
- Configuration of the AUTOSAR BSW architecture (Dcm, Dem, NvM, BswM, Os, Mcu, Port, Com stack, Rtc) for portability and maintainability
- Design of the crypto stack (Csm, CryIf, Crypto) for secure flash and diagnostic data; integration of the NXP HSE core and wrapper layer
- Integration of customer-specific modules (Sfd, Ivd, Npm) into the Vector AUTOSAR stack
- Definition of the memory architecture: Memmap, CMake, and linker script configuration
- Leading board bring-up for the Audi light demo platform; implementation of diagnostic routines and identifiers
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
Reshmi Suragani
Last position:
Software Engineer at Aumovio Engineering Services (formerly Continental Engineering Services)
- Programming: C/C++, Python, Embedded C, MATLAB
- Feature Owner for SecOC and FvM, leading development, integration, and validation
- Strong ECU hardware understanding for debugging
- Integrated AUTOSAR security modules: CSM, Crypto, CryIf, and HSM
- Hands-on experience with AUTOSAR BSW and MCAL configuration
- Implemented Secure Boot with DMA on Chorus MCU, improving boot performance
- Designed HSM key management and UDS-based key verification features
- Developed Python automation scripts to improve validation efficiency
- Performed ISO 26262 and ASPICE compliant development and testing
- Implemented diagnostics (DIDs, DTCs) for fault detection and reliability
- Strong knowledge of 32-bit MCU architectures and real-time systems
- Proficient in embedded C, compiler/debugger tools, and CANoe
- Experience with TLS, IPsec, key management, and Ethernet switch configuration
- Created architecture and system documentation for cross-team alignment
- Supported production ECU flashing and large-scale deployments
- Conducted functional safety-related tests to ensure system reliability
Yoav Netzer
Last position:
Freelance Software Architect at Freelance Consultant
- Various small consultations, e.g. concepts and arcitectures.
- Updating my Matlab, Linux, IPv6, Cyber-Security, C++ (up to 23) and Python skills.
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
Alexander Rupp
Last position:
PLC CPU Migration for Oxygen Control at Abwasserentsorgung Schöntal
- Migration of a Wago PLC from CODESYS V2 to CODESYS V3.5
- Porting existing software from V2 to V3.5
- Performing various software adjustments
- Creating a new web visualization (WebVisu)
- Installing the new controller and commissioning on site
- Updating the wiring diagrams
Discover over 15,000 top freelancers
Statistics of experts using SAE J1939
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
1.2 years
Positions per freelancer
19
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Automotive, Manufacturing, Information Technology
Certification focus areas
Information Technology, Product Development, Logistics
Bachelor's degree or higher
100%
Master's degree or higher
33%
Certifications per freelancer
2
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 SAE J1939
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
J1939 basics
SAE J1939 is a communication standard built on CAN for commercial vehicles and other heavy-duty machines. It defines how control units exchange data, how messages are named, and how networked systems stay interoperable. Teams use it for engines, transmissions, braking, diagnostics, and telematics.
Where it is used
- Truck and bus electronics
- Off-highway and construction machines
- Agricultural equipment
- Engine and powertrain integration
- Fleet diagnostics and service tools
Strong experts know how J1939 fits into real vehicle networks, not just the spec. They work with message identifiers, PGNs, SPNs, and ECU behavior in systems that must stay stable under load.
Ecosystem and tools
J1939 projects often sit beside CAN tools, log analyzers, database files, and test benches. Experts may work with bus monitoring software, ECU simulation, and validation setups that reproduce faults and edge cases. They also need to read OEM documentation and translate requirements into working network behavior.
When companies need help
Teams bring in freelance specialists when a vehicle program is late, diagnostics are unclear, or two systems do not talk cleanly over the bus. They are also useful during supplier handovers, test preparation, and integration work in Germany, where many industrial vehicle projects need both local communication and remote support.
What strong experts do
- Design and review J1939 signals and messages
- Trace network problems from logs and bus captures
- Support ECU integration and conformance checks
- Improve diagnostics and fault handling
- Work with hardware, test rigs, and supplier data
Good professionals can explain why a message fails, not only that it fails. They understand timing, arbitration, scaling, and how application behavior depends on the CAN network around it.
Related skills
J1939 work often overlaps with CAN, CANopen in adjacent projects, embedded systems, vehicle diagnostics, and test automation. In many teams, the best fit is someone who can move between electrical details, software behavior, and validation results without losing the system view. That makes handovers cleaner and integration faster.
Frequently asked questions
Curious about SAE J1939? Here are the answers that come up again and again.
SAE J1939 is used to make controllers in heavy vehicles and machines exchange standardized data over CAN. It is common in trucks, buses, agricultural equipment, construction machines, and engine systems. Companies bring in specialists when they need reliable communication between ECUs, clear diagnostics, or a stable supplier interface.
J1939 is not the same as CAN, but it runs on top of CAN and adds rules for messages, parameters, and diagnostics. CAN is the transport layer; J1939 defines how vehicle systems should use it. If a project only knows CAN at a basic level, a specialist can help avoid misunderstandings about message structure and timing.
A strong SAE J1939 specialist can read bus traffic, understand PGNs and SPNs, and connect network symptoms to ECU behavior. Look for experience with integration, diagnostics, and test work, not only theoretical knowledge. Clear documentation habits matter too, because vehicle projects often involve several suppliers.
SAE J1939 work often goes together with CAN analysis, embedded software, diagnostics, and validation. Knowledge of ECU communication, signal mapping, and test tooling is especially useful. In some projects, familiarity with NMEA 2000 or other CAN-based profiles can also help, but only when the system actually uses them.
J1939 projects can be simple or complex, depending on whether the work is diagnostics, integration, or full network design. A small task may need a specialist for review or troubleshooting, while a new vehicle platform usually needs deeper system knowledge. The safer choice is someone who has already worked on similar hardware and bus behavior.
SAE J1939 work can often start remotely with logs, signal lists, and test traces. On-site time helps when the specialist must access hardware, reproduce faults in a lab, or work close to vehicle test teams. For companies in Germany, a mix of remote analysis and on-site validation is often practical.
SAE J1939 is widely used in heavy-duty vehicles because it gives a shared structure for communication and diagnostics. CANopen is common in other industrial settings, while proprietary protocols may fit special needs but can be harder to maintain across suppliers. The right choice depends on the machine type, supplier ecosystem, and service requirements.
Check whether J1939 work comes with clear traces, good documentation, and explanations that connect message behavior to the system problem. A good specialist can show how they validated their fix and how they handled edge cases. References from similar vehicle or machine projects are more useful than generic software claims.
The average hourly rate of freelancers in Germany who have used SAE J1939 in their recent projects is 93 €, which corresponds to a daily rate of about 741 € based on an 8-hour working day.
Of the freelancers in Germany who have used SAE J1939 in their recent projects, 100% hold at least a Bachelor's degree and 33% hold at least a Master's degree.
On average, freelancers in Germany who have used SAE J1939 in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 1.2 years.
The most common languages among freelancers in Germany who have used SAE J1939 in their recent projects are German (100%), English (100%), and French (14%).
The most common industries among freelancers in Germany who have used SAE J1939 in their recent projects are Automotive (86%), Manufacturing (71%), and Information Technology (57%).
The most common business areas among freelancers in Germany who have used SAE J1939 in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (100%).
Main locations of FRATCH Experts, who have recently used SAE J1939
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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