Software-in-the-Loop Experts in Germany
, matched in minutes from over 15,000 CVsHire experts who validate embedded control software in virtual environments, connect SIL models with real code, and automate regression testing across automotive, robotics and industrial systems. FRATCH precisely matches you with vetted, available freelancers fast.
Meet FRATCH Experts in Germany, who have recently used Software-in-the-Loop
Jens R.
Last position:
Platform Architect & Senior Developer at Direct client, industrial measurement technology, medium-sized company
- Technical leadership across hardware, firmware, and software teams; scope: hardware/firmware team (4 people) and leadership group (5 people)
- Consolidated and documented a product family that had grown over more than 15 years and aligned it with CRA compliance — from the bare-metal I/O module to the cloud interface.
- Provided the most important customer product with the essential requirements and architecture documentation within two months — for a firmware landscape that had grown over more than 15 years. It now supports the customer’s modernization strategy.
- Established a monthly reporting line to the supervisory board and executive board within three months: nine meetings since 12/2025. The report itself is versioned and built from the CI pipeline; it is based on automatically collected activity and release data instead of assessments.
- Built a container-based CI/CD infrastructure from scratch: cross-compilation, host tests, and documentation builds in one continuous pipeline.
- Introduced declarative QA gates for DevOps and development artifacts — from the start using lefthook instead of pre-commit, executed in a dedicated container image.
Technologies used: arc42, req42, tpo42, docToolchain, PlantUML, ArchiMate, C4 model, ADR, C, C++ (GTest), CMake, Bare Metal (ARM Cortex-M3/M7), OCI containers, Jenkins, lefthook, Prometheus, Grafana, SBOM, CRA, OPC, SCADA, PLC integration, IPv6 migration, Zero Trust, Sociocracy 3.0, Cynefin
Yimeng W.
Last position:
R&D Software Engineer at Advantest
- Development and maintenance of hardware drivers in C++
- Conducting unit and integration tests to ensure code quality
- Debugging and fixing issues with the hardware team and FPGA team
- Defining and developing software concepts and coordinating with the software architect
- Expanding test automation to improve efficiency
- Research and development of algorithms to improve existing codebases (runtime, memory usage, accuracy)
Rajan K.
Last position:
Technical Lead/BTV at BMW, Daimler (Mercedes), VW Group, Hella, Ficosa, Cariad (Audi/Porsche/Skoda)
- Directed full lifecycle of embedded software projects including LiDAR, BMS, OCU, and Cybersecurity systems.
- Coordinated internal and external stakeholders including suppliers like Bosch, Bertrandt, Magna, Continental and IAV.
- Managed cross-country teams of 12–15 engineers, conducting project onboarding and role-based training.
- Implemented change control and risk registers for safety-critical automotive platforms.
- Oversaw project schedules using MS Project, JIRA, and Azure DevOps to ensure milestone alignment and transparency.
- Extensive hands-on expertise in test planning and execution for ECUs in compliance with Automotive SPICE (SWE.4–SWE.6) and ISO 26262.
- Led digital transformation project with a cross-functional team of 15+, ensuring successful integration of systems and workflows.
- Maintained project overviews and tracking in tools like Milestones (Daimler) and MS Project, and managed status reporting to senior stakeholders.
- Coordinated with third-party transformation partners and ensured timely delivery of decision templates and risk assessments.
- Applied PRINCE2 methodology for structured delivery; facilitated agile ceremonies and maintained Confluence-based documentation.
- Strong leadership in cross-functional teams and working in agile environments (SAFe, Scrum).
- Successfully led and supported IT and transformation projects, including those in regulated sectors (e.g., KRITIS or energy sector).
- Represented or supported overall project leadership in large-scale transformation programs.
- Maintained and updated complex project plans (Gantt charts, milestone tracking, and resource allocation).
- Coordinated workstreams and interdisciplinary teams; ensured timely delivery of all work packages.
- Acted as central communication point between project team, senior management, external vendors, and transformation partners.
- Prepared and delivered concise status reports, steering committee presentations, and decision memos.
- Identified project risks, maintained risk registers, and led mitigation planning.
- Assessed resource needs and supported reallocation based on project priorities and constraints.
- Proficient in JIRA, Milestones, Confluence, MS Project, MS PowerPoint, and Excel.
- Used both Agile (Scrum) and Waterfall (PRINCE2, PMI) methodologies.
- Created and tracked action lists, meeting protocols, and backlog items.
- Conducted critical analysis of project progress, resource bottlenecks, and deliverable timelines.
- Ensured alignment of transformation goals with enterprise IT architecture and business objectives.
Ould Aly I.
Last position:
Functional Safety Assessor at VW
- Pre-assessments and review of functional safety status for ADAS ECUs and body controller components
- Conduct functional safety audits
- Review the functional safety status of the E3 1.2 in a pre-assessment
- Document interviews
- Document findings and generate internal reports
Methods:
- ISO26262
- Automotive SPICE Level 2, 3
- Agile methods, SAFe
Tools:
- DOORS
- Enterprise Architect
- JIRA & Confluence
- IQ-FMEA
- Isograph
Anuja C.
Last position:
Embedded Software Engineer at Digital Core Technology
- Designed and implemented embedded firmware in C/C++ for ARM-based microcontrollers and SoCs (STM32, NXP, Infineon)
- Worked across bare-metal, FreeRTOS, and Embedded Linux environments, contributing to BSP-level functionality, driver bring-up, and system integration
- Built, configured, and validated Embedded Linux systems using Yocto, including image build, boot validation, and runtime debugging
- Developed and executed unit, integration, and system-level tests, including HIL and SIL test scenarios on real hardware and simulated environments
- Created Python and Bash scripts to automate build, test execution, simulation runs, and reporting within CI/CD pipelines (Jenkins, GitLab CI)
- Designed test cases from software and system-level requirements, covering normal operation, edge cases, and failure scenarios
- Performed low-level debugging using JTAG/GDB, analyzing boot issues, timing problems, interrupts, and peripheral behavior
- Developed and validated communication interfaces including UART, SPI, I2C, CAN using logs and external measurement tools
- Used simulation and virtual test environments to validate software behavior prior to hardware availability
- Read and interpreted hardware schematics to understand signal routing, pin multiplexing, and peripheral connections
- Supported PCB design and review activities using Altium tool, assisting with component selection, pin mapping, and bring-up readiness
- Collaborated with cross-functional hardware, firmware, and system teams to clarify requirements, document assumptions, and improve overall test coverage
- Developed web interfaces using HTML, CSS, and JavaScript (ES6) and basic REST API development with Node.js
- Experience testing web applications and building UI automation frameworks using Selenium WebDriver
Robert B.
Last position:
Team Lead; Software Developer at Provider of industrial control systems for manufacturing and digital transformation
Industrial Communication | Proof of Concept: Controller-to-Controller Communication with OPC UA FX
Proof of Concept for OPC UA FX-based controller-to-controller communication between virtual programmable logic controllers (vPLC) on an industrial edge platform. A virtual test environment was set up on Debian Linux in two phases (including VMs and vPLCs), shared-memory communication (real-time information bus) was activated, and the RIB solution was integrated into a customized product firmware (including shared memory and PROFINET support) and deployed in containerized environments (Docker). Additionally, a virtual Ethernet connection was developed to simulate the network topology. Finally, commissioning, functional tests, sample application creation, comprehensive documentation, and customer support were completed.
Hellmuth V.
Last position:
Embedded Software Architect / Team Coordinator at Provider of system solutions in the field of electric drives
- Analysis and inventory of a system consisting of 2 control units
- Creation and derivation of the static software architecture
- Optimization and standardization of structures for model-based control
- Creation of the dynamic software architecture
- Development of improvement proposals in workshops with the customer
Winfried N.
Last position:
Test Manager & Test Automation Engineer at Miele
Create test cases from specifications and agreements
Automate own test cases and those from other sources (e.g. bugs, other testers' test cases)
Manage test cases, check for updates, adjust or discard if needed
Create test sessions, assign testers, test myself (manual & automated)
Perform process and user interface tests on T2 premium dryers
Participate in Scrum meetings (Daily, Sprint Planning, Retrospective)
Prepare tests, e.g. install software/firmware
Report bugs, track them, and retest
Functional tests
Regression tests
End-to-end tests
Load tests
Automated tests
Exploratory tests
Python, pytest, Robot Framework, Selenium (REST API analysis)
Pandas framework
PyCharm, GIT
PTC Windchill RVS, Jira, Confluence
Skylab, Miele OS Tool / Miele Communication Tool
DIAdem (TDMS data analysis & visualization)
Boomerang, Postman, SOAP & REST client
SCOPI programs via PADS editor (JavaScript, device tests)
Muhammad H.
Last position:
Working Student Electrical Engineer Automation at ANDRITZ Gmbh
- Worked on TexManager
- Cost management of PLCs
- Worked on control logics through PLC programming for different changes in automated systems
Discover over 15,000 top freelancers
Statistics of experts using Software-in-the-Loop
Aggregated from the professional profiles of matched freelancers.
Experience
17 years
Position duration
2.6 years
Positions per freelancer
9
Top business areas
Product Development, Quality Assurance, Information Technology
Top industries
Information Technology, Manufacturing, Automotive
Certification focus areas
Information Technology, Product Development, Quality Assurance
Bachelor's degree or higher
86%
Master's degree or higher
57%
Certifications per freelancer
1
Most common languages
German, English, French
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 Software-in-the-Loop
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.
Software-in-the-Loop 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 (78%)
- Manufacturing (78%)
- Automotive (56%)
- Aerospace and Defense (44%)
- Energy (33%)
- Telecommunication (22%)
- Advertising (11%)
- Banking and Finance (11%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Virtual validation
Software-in-the-Loop, commonly called SIL, runs production-like software against simulated plant, sensor and vehicle models. It lets teams test control logic, interfaces and system behavior before physical hardware is available. The approach supports repeatable experiments in a controlled virtual environment.
Typical applications
SIL is used where software must react safely and consistently to simulated conditions:
- Validate automotive powertrain, chassis, ADAS and automated-driving functions
- Test robotics control loops, navigation and sensor handling
- Check industrial automation logic and digital-twin behavior
- Reproduce faults, boundary conditions and rare operating scenarios
- Run automated regression suites after software changes
Models and tooling
A SIL setup combines executable software with models for physics, sensors, networks and the surrounding environment. Specialists work with model-based design, simulation orchestration, test automation and data analysis. Depending on the system, the ecosystem can include MATLAB and Simulink, dSPACE tools, FMI or FMU interfaces, AUTOSAR components, Python, C or C++ test harnesses, and CI pipelines.
When expertise matters
Companies bring in freelance SIL expertise when a simulation environment must be created, modernized or connected to an existing delivery process. Common signals include unreliable test results, slow manual validation, gaps between model and production code, or a need to cover scenarios that are difficult to reproduce on a test bench. In Germany, this is especially relevant for mobility, manufacturing and industrial automation teams working across distributed sites.
What strong specialists deliver
Strong professionals define useful test objectives rather than treating simulation as a black box. They align model fidelity with the decision the test must support, manage interfaces and assumptions, and make failures easy to reproduce. They also document limitations clearly so that SIL results are not mistaken for hardware evidence.
- Design traceable scenarios and acceptance criteria
- Integrate models, software components and virtual buses
- Build maintainable automated test and reporting workflows
- Investigate numerical, timing and integration problems
- Prepare a sensible transition from SIL to HiL or vehicle testing
Collaboration and quality
SIL work spans software, systems, controls and testing, so communication matters as much as tool knowledge. Remote collaboration works well when repositories, model versions, environments and test data are reproducible; on-site access can help with restricted benches or proprietary hardware. Evaluate specialists through a practical discussion of model assumptions, interface contracts, failure analysis and how they prove that a test result is trustworthy.
Frequently asked questions
The facts hiring teams ask for most often when it comes to Software-in-the-Loop.
Software-in-the-Loop is used to execute software against simulated hardware, sensors, physical processes and environments. It helps teams validate control behavior, interfaces, edge cases and regression scenarios before relying on physical equipment.
Software-in-the-Loop runs the software implementation in a simulated environment, while Model-in-the-Loop focuses on validating the algorithmic model itself. Hardware-in-the-Loop introduces real electronic control hardware, so it can reveal timing and hardware-interface issues that SIL may not expose.
A strong Software-in-the-Loop specialist usually combines simulation, embedded software, controls and test automation skills. Experience with MATLAB and Simulink, FMI or FMU exchange, Python, C or C++, model versioning and continuous integration is often useful.
The right level depends on the scope, model maturity and safety expectations, not on a fixed duration. A small test harness may need focused SIL knowledge, while a full virtual validation environment requires experience with architecture, traceability, calibration, automation and integration with production workflows.
Software-in-the-Loop work is often suitable for remote collaboration because models, code, scenarios and results can be shared through controlled repositories and build environments. On-site work may still be useful when the assignment depends on confidential infrastructure, proprietary toolchains or close coordination with hardware and test-bench teams in Germany.
Software-in-the-Loop can use a digital twin as its simulated plant or environment, but the terms describe different things. A digital twin represents a system or asset, while SIL describes the validation setup in which software interacts with that representation.
Ask how Software-in-the-Loop scenarios are derived from requirements, how model assumptions are documented and how failures are reproduced. Good work has clear interfaces, controlled versions, meaningful coverage, automated reports and an explicit statement of what the simulation cannot prove.
Before accepting Software-in-the-Loop work, clarify the software baseline, model ownership, target interfaces, required tools, data access and expected evidence. It is also important to establish whether the goal is algorithm exploration, regression testing, release validation or preparation for Hardware-in-the-Loop.
The average hourly rate of freelancers in Germany who have used Software-in-the-Loop in their recent projects is 90 €, which corresponds to a daily rate of about 720 € based on an 8-hour working day.
Of the freelancers in Germany who have used Software-in-the-Loop in their recent projects, 86% hold at least a Bachelor's degree and 57% hold at least a Master's degree.
On average, freelancers in Germany who have used Software-in-the-Loop in their recent projects have 17 years of professional experience, with a single engagement typically lasting around 2.6 years.
The most common languages among freelancers in Germany who have used Software-in-the-Loop in their recent projects are German (100%), English (89%), and French (33%).
The most common industries among freelancers in Germany who have used Software-in-the-Loop in their recent projects are Information Technology (78%), Manufacturing (78%), and Automotive (56%).
The most common business areas among freelancers in Germany who have used Software-in-the-Loop in their recent projects are Product Development (100%), Quality Assurance (89%), and Information Technology (78%).
Main locations of FRATCH Experts, who have recently used Software-in-the-Loop
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
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
