UDS Experts in Stuttgart
for reliable vehicle diagnostics, matched with vetted freelancers in minutesHire experts who implement diagnostic services, ECU communication and test workflows across automotive control units. Work with specialists familiar with ISO 14229, CAN, DoIP and OEM requirements, matched precisely with vetted and available freelancers.
Meet FRATCH Experts in Stuttgart, who have recently used UDS
Matthias S.
Last position:
Software Developer and Consultant at CLADE GmbH
- Analysis of the existing CAN communication between microcontrollers
- Analysis of the sensors used and the measured values collected
- Planning the CAN messages for transmitting the measured values
- Iterative adjustment of the microcontroller code to the new CAN messages
- Cross-compilation from x64 to arm64
Jochen M.
Last position:
Technical Project Lead – Software Development at IT Security (Defense) / CyberSecurity
Technical project lead for the software testing subproject in the development of encryption systems (tactical crypto devices).
Test monitoring
Test specification
Software test implementation
Schedule planning
Code reviews
Team leadership
Test team resource planning
Test team coordination
Coordination of overall project flow
Stakeholder management
Report creation
Reporting to executive management
Delivered testing milestones on schedule, ensuring timely integration with development.
Improved test team efficiency by standardizing workflows and reporting.
Ensured compliance with Common Criteria (ISO/IEC 15408).
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
Michael B.
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
Harald B.
Last position:
Software Architect at Amoria Bond
- Developed gateway demonstrator
- Defined system requirements for topology and data concentrator
- Designed zonal controllers for Leoni
Okan A.
Last position:
Team Leader / Project Manager at OEM in the Stuttgart area
- development, setup and deployment of a custom HIL system for aerodynamic components
- adaptation of the system specification and creation of the test specification
- coordination and planning of test cases, as well as specification of component and K-HIL tests at the system level and in integration
- planning, specification and execution of interface tests
- participation in vehicle trials
- led a team of 10 members following classic and agile A-SPICE standards with development according to the V-model
- Tools used: Jira, MS Project, GitTea, Gox, Confluence, KPM, MoveIT, DOORS, PTC Integrity, Intense, JFrog
Discover over 15,000 top freelancers
Statistics of experts using UDS
Aggregated from the professional profiles of matched freelancers.
Experience
26 years
Position duration
1 year
Positions per freelancer
18
Top business areas
Product Development, Quality Assurance, Information Technology
Top industries
Automotive, Manufacturing, Information Technology
Certification focus areas
Product Development, Information Technology, Project Management
Bachelor's degree or higher
100%
Master's degree or higher
80%
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 Stuttgart 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 Stuttgart using UDS
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.
UDS experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Automotive (100%)
- Manufacturing (100%)
- Information Technology (67%)
- Healthcare (50%)
- Aerospace and Defense (33%)
- Education (33%)
- Construction (17%)
- Banking and Finance (17%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
UDS in vehicle diagnostics
Unified Diagnostic Services, usually called UDS, is the automotive diagnostic protocol defined by ISO 14229. It enables test equipment and electronic control units to exchange diagnostic requests and responses. Companies use it for fault memory access, software updates, coding, data identification and ECU routine control.
Diagnostic services
UDS covers the communication services needed across a vehicle lifecycle, from production testing to workshop repair and connected vehicle maintenance. Specialists work with session control, security access, read and write data, input-output control, routine execution and diagnostic trouble codes. They also design negative-response handling and timing behavior.
Communication stack
UDS commonly runs over CAN through ISO-TP or over Ethernet using DoIP. Strong expertise includes transport-layer behavior, addressing, timing parameters, gateway routing and integration with AUTOSAR communication stacks. Professionals may also connect UDS services to diagnostic databases, test benches and vehicle interfaces.
Where companies use it
- ECU validation and end-of-line testing
- Diagnostic trouble code analysis and service-tool integration
- Bootloader workflows and ECU software flashing
- Gateway, body, powertrain and battery diagnostics
- Automated regression tests for vehicle communication
UDS appears in passenger vehicles, commercial vehicles, electric platforms and industrial mobility systems. In Stuttgart, projects often involve close coordination between automotive product teams, suppliers, test facilities and manufacturing operations.
When specialists help
Companies bring in freelance UDS expertise when an ECU program needs diagnostic behavior defined, tested or corrected under a tight release schedule. Specialists are useful during protocol-stack integration, OEM acceptance testing, bootloader changes, field-issue investigation and the handover from prototype to production. Remote work suits analysis, scripting and test automation; on-site access can matter for vehicle, bench or factory validation.
What strong experts deliver
A strong professional understands both the protocol details and the vehicle system behind each diagnostic request. They can interpret requirements, define service behavior, configure CAN or DoIP communication, create reproducible tests and investigate traces without confusing transport faults with application faults. Look for clear documentation, disciplined version control, practical knowledge of diagnostic tools and the ability to explain findings to software, test and hardware teams.
Frequently asked questions
Not sure where to start with UDS? These answers cover the essentials.
UDS is used for communication between diagnostic tools and electronic control units. It supports fault memory access, ECU identification, parameter handling, software flashing, coding, security functions and controlled diagnostic routines across development, production and service.
UDS provides a broad, structured service model for ECU diagnostics, while OBD focuses mainly on regulated emissions-related information. Proprietary protocols may expose brand-specific functions, but UDS is widely used as the common foundation for advanced vehicle diagnostics and flashing.
A strong UDS specialist often works with CAN, ISO-TP, DoIP, AUTOSAR, diagnostic description formats and ECU bootloaders. Experience with CANoe, CANalyzer, scripting, test automation and trace analysis is also valuable when the work includes integration or validation.
The right level depends on the assignment. A focused test or trace-analysis task may need protocol knowledge and tool experience, while a new ECU diagnostic design or bootloader integration requires proven work across requirements, implementation, security, timing and vehicle-level validation.
UDS work can often be completed remotely when the specialist has access to logs, specifications, simulation environments and test automation. On-site collaboration in Stuttgart becomes more useful when the project depends on physical ECUs, vehicle networks, hardware benches or factory testing.
Ask how the UDS specialist handles timing, session transitions, security access, negative responses and transport-layer errors. Request examples of clear test cases, trace-based diagnosis and documentation that links each service behavior to a requirement.
UDS fundamentals transfer well because the core service structure is standardized. However, each manufacturer may add its own data identifiers, routines, security process, diagnostic database conventions and acceptance rules, so specialists must adapt protocol knowledge to the project-specific specification.
A UDS freelancer may deliver diagnostic requirements, service definitions, ECU configuration, automated test cases, flashing workflows, communication scripts, trace analyses and integration reports. The exact output should reflect whether the assignment targets development, validation, production or after-sales service.
The average hourly rate of freelancers in Stuttgart, Germany who have used UDS in their recent projects is 99 €, which corresponds to a daily rate of about 795 € based on an 8-hour working day.
Of the freelancers in Stuttgart, Germany who have used UDS in their recent projects, 100% hold at least a Bachelor's degree and 80% hold at least a Master's degree.
On average, freelancers in Stuttgart, Germany who have used UDS in their recent projects have 26 years of professional experience, with a single engagement typically lasting around 1 year.
The most common languages among freelancers in Stuttgart, Germany who have used UDS in their recent projects are German (100%), English (100%), and French (33%).
The most common industries among freelancers in Stuttgart, Germany who have used UDS in their recent projects are Automotive (100%), Manufacturing (100%), and Information Technology (67%).
The most common business areas among freelancers in Stuttgart, Germany who have used UDS in their recent projects are Product Development (100%), Quality Assurance (100%), and Information Technology (83%).
Main locations of FRATCH Experts, who have recently used UDS
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.
Countries:
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
