C Experts in Stuttgart
matched in minutes by AIHire experts who develop embedded firmware, operating-system components and high-performance native software with C, POSIX APIs and cross-compilation toolchains. FRATCH precisely matches you with vetted, available freelancers for focused project delivery.
Meet FRATCH Experts in Stuttgart, who have recently used C
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
Alexander Z.
Last position:
Fullstack Developer and DevOps Engineer at Freelancer
- Developing the infrastructure and improving existing infrastructure: Jenkins, Gitlab Pipeline, OpenShift, Docker, Helm Chart, Kubernetes, Artifactory, CodePipeline, CodeArtifact, Python
- Documenting solutions in Jira/Confluence
- Supporting other colleagues in different technical areas
Alexandra G.
Last position:
Test Coordinator Project GoDigital at Insurance company
Support of test management and consulting on replacing the existing core system for non-life insurance with a modern IT platform.
Planning and controlling test execution as well as test analysis.
Documentation of test results in JIRA/XRAY and defect management.
Creating and continuously updating checklists to ensure quality.
Creating Confluence pages to support test execution and its documentation.
Creating test completion reports after each test cycle.
Methods: process planning, status tracking, process optimization, process execution, process quality assurance.
Tools: MS Office, Outlook, JIRA, Confluence, Wiki.
Benefit: Support for test management in the preparation, execution and documentation of the different test cycles.
Paul B.
Last position:
Systems Engineer, Self-Driving Truck at TORC Europe GmbH
Gildas D.
Last position:
System Team Lead Diagnostics – Hybrid & Electric Drives (HEV/MHEV/PHEV) for Transmission and Engine (NA/SA) at Stellantis e-transmission
- Technical lead of diagnostics activities for eDCT transmissions and drive systems in the area of hybrid (HEV), mild-hybrid (MHEV), and plug-in hybrid vehicles (PHEV)
- Responsibility for the development and validation of DTC strategies (OBD / EOBD) for markets in North and South America and the EU
- Coordination between interdisciplinary teams (system development, software, safety, calibration, after-sales)
- Creation and maintenance of diagnostic specifications (DID, DTC matrix, snapshot, freeze frame) according to STLA standards
- Support with troubleshooting, validation tests, EOL processes, and internal audits
- Technical interface to suppliers (Bosch, Valeo, etc.) in the area of actuators, sensors, and electric pumps
- Creation of diagnostic RFQ
Deepak N.
Last position:
Consultant at Advantest Europe Gmbh
- Develop hardware drivers and middleware using C++11, Java and Python
- Design of various RF features such as deembedding based on stakeholder requests
- Work with multiple teams to design drivers for multiple RF products
- Perform HW control to deliver RF signals and measure modulated response
- Develop RF drivers for generation of low noise signals to test WiFi7 products
- Use digital modulation techniques such as QAM for low level driver development
- Develop low level USB drivers for device enumeration
- Develop drivers for HW relay control of control boards for device testing
- Perform JTAG operations on devices under test
- Use network-based protocols (SFTP, UFTP, FTP, SSH) for control board communication
- Manage HW devices such as BADC and EEPROM for control board maintenance
- Utilize C++11/14/17 features, template metaprogramming and STL
- Employ multithreading for testing and control of multiple HW devices
- Develop tools for deployment of customer OS on control boards
- Perform component and integration tests using CxxTest
- Follow Scaled Agile Framework for software development
- Create detailed design documents using PlantUML
Moulay Driss S.
Last position:
Project Safety Manager at Harman Automotive International
- FuSi requirements engineering in Doors for tell-tales, reverse camera and chimes
- Draft system requirements specification
- Maintain and review requirements in Doors (DNG)
- Coordinate HW, system and SW architecture teams
- Safety work product roadmap and delivery planning according to ISO 26262 and ASPICE
- Track deadlines with functional safety gate assessments
- Project capacity planning and coordination up to series release
- SW/system planning and coordination with counterparts in India, Romania, China and USA
- Track SOP milestones with customer
- Bug tracking and follow-up with Jira
- Safety analyses and HSIS requirement traceability
- Plan organizational work packages using sprints
- Coordinate ISO 26262 and ASPICE work products in the V-model development process
- Create the safety plan and the safety-critical plan
- Interface between functional safety management, HW development and software development
- Clarify and align requirements regarding quality, FuSi, standards and A-SPICE
- Coordinate between different suppliers for SoC, HW and SW quality and KPIs
Maik S.
- Development of a new generation of Spring Boot microservices for an archiving system on OpenShift, monitoring, security analyses
Stack: Java, Spring Boot, Kafka, Vaadin, OpenShift 4.x, Maven, Artifactory, Jenkins, Git/Github, GitHub Copilot, GitOps, CI/CD, Kargo/ArgoCD
Kavin T.
Last position:
Freelance Software Expert – Functional Safety & AUTOSAR at Bosch
- Development and optimization of software architectures for safety-critical embedded systems in the automotive sector according to ISO 26262 and ASPICE.
- Performing safety analyses (FMEA, DFA, FTTI, HARA) for safety-relevant software.
- Technical consulting and support in acquisition processes for safety-critical software projects.
- Evaluation of AUTOSAR architectures and integration of safety-relevant software solutions.
- Collaboration with OEMs and suppliers to ensure compliance with safety standards and process requirements.
- Leading functional safety reviews and ASPICE assessments.
- 2016–2019: Body Computer Module – Worked as Lead Software Integrator. Responsible for software integration of safety-critical control units, implementation of AUTOSAR software components, and system integration testing.
- 2019–2022: PowerNetGuardian – Worked as Software Architect. Developed a safety-critical software architecture, ASIL decomposition, and created software safety requirements according to ISO 26262 and ASPICE.
- 2022–Today: PowerNetGuardian Plus – Worked as Lead Software Architect. Responsible for the overall software architecture, safety and cybersecurity concepts, FMEA analyses, and technical consulting during OEM negotiations.
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).
Meenakumar V.
Last position:
Senior Embedded Technical Manager at IIT Madras Pravartak Technologies
- Led 14 member dev team and delivered postgresql database integration and performance optimization
- Delivered 8 K lines of C code with fewer defects (5 medium to low) in 8 months of development
- Integrate open source pgVector for AI application of the database for exact and nearest neighbor search
Christian B.
Last position:
Principal Consultant (Self-employed) at BLOCH IT-Consulting
- Consulting services for Enterprise Service Management (Strategic Planning, Requirement Analysis, Tool evaluation process, implementation)
- Project management for ITSM tool implementations (Cloud, On-Premise)
- Optimization and maintenance of Ivanti Service Manager installations (User acceptance, efficiency, workflow configuration, CDMB structure, process automation, non-IT areas, roadmap planning, release upgrades)
- Presales support for Ivanti Service Manager (Product demonstrations, Proof of Concepts/POC, technical concepts)
Ivan G.
Last position:
Technical Lead at Porsche Digital GmbH
- Contributed to the design of the new financial services integration layer and moderated the architectural discussions
- Oversaw the security concept and approval of the application
- Prepared infrastructure setup and best practices for the Kotlin backend
Mangal M.
Last position:
Trainee Product Management at Digitale Leute Schule
- Remote learning with experts and 636 instructional units.
- Product management bootcamp teaching agile methods and software tools for modern product management in complex software projects.
- User experience (UX) · product management · Figma (software) · user-centered design · Scrum · agile project management · Jira · Confluence · product discovery · backlog management · user experience design (UED) · prototyping · lean thinking · product roadmapping · user stories · Miro collaboration platform · application monitoring tools · performance metrics · lean product management · product design kickoff indicators (KPI) & tracking events · product strategy · business modeling · product vision & goals · product discovery.
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
Discover over 15,000 top freelancers
Statistics of experts using C
Aggregated from the professional profiles of matched freelancers.
Experience
22 years (Germany: 21 years)
Position duration
2.5 years (Germany: 3.1 years)
Positions per freelancer
11 (Germany: 13)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Automotive, Manufacturing
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 90%)
Master's degree or higher
77% (Germany: 65%)
Doctorate
4% (Germany: 11%)
Certifications per freelancer
2
Most common languages
English, German, French
Speak two or more languages
100% (Germany: 98%)
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 Stuttgart 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 Stuttgart using C
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.
C 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 (70%)
- Automotive (63%)
- Manufacturing (50%)
- Aerospace and Defense (33%)
- Healthcare (30%)
- Banking and Finance (27%)
- Telecommunication (23%)
- Education (20%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Core language
C is a compiled, procedural language designed for direct control over memory, data representation and processor resources. It remains a foundation for embedded firmware, operating-system components, device drivers, networking software and performance-critical native applications. Its small runtime footprint makes it suitable for constrained hardware and predictable execution environments.
Systems built with C
C specialists work across hardware and software boundaries, turning detailed technical requirements into efficient, testable components.
- Embedded controllers for industrial equipment, vehicles and connected devices
- Operating-system kernels, device drivers and board-support packages
- Networking stacks, protocol implementations and real-time services
- Native libraries, command-line tools and performance-sensitive applications
Ecosystem and tooling
Professional C work commonly includes GCC or Clang, Make, CMake and cross-compilation toolchains. Experts use POSIX APIs, Git, code review and automated testing alongside debuggers such as GDB. Depending on the target, they may also work with RTOS environments, Linux, microcontroller SDKs, static analysis and hardware probes.
When to hire a specialist
Companies bring in freelance C expertise when existing teams need precise low-level work without slowing product delivery. This may involve modernising legacy code, porting software to a new processor, reducing memory use or diagnosing faults that cross the hardware-software boundary. In Stuttgart, this expertise can support automotive, industrial and embedded product work, with on-site or remote collaboration depending on lab access and hardware needs.
- A firmware release needs ownership of critical modules
- A platform migration requires processor or operating-system knowledge
- Production faults demand disciplined debugging and profiling
What strong professionals bring
Strong C professionals understand pointers, allocation, lifetime, concurrency and undefined behaviour rather than relying only on syntax. They design clear interfaces, handle errors deliberately and keep build configurations reproducible. They also know when to use a library, isolate hardware dependencies or choose another language for a safer boundary.
Quality and delivery
Assess a specialist through relevant source code, test strategy and explanations of technical trade-offs. Good delivery includes documented interfaces, warnings treated seriously, static-analysis results and tests that cover failure paths. For hardware-connected work, ask how the professional validates timing, resource limits, toolchain compatibility and behaviour on the actual target.
Frequently asked questions
Quick answers to the questions that come up most around C.
C is widely used for embedded firmware, operating-system components, device drivers, networking software and native libraries. It is a strong fit when predictable performance, small binaries or direct hardware access matter.
C offers a smaller language surface and direct control with little runtime overhead. C++ adds object-oriented and generic features, while Rust provides stronger memory-safety guarantees; the right choice depends on existing interfaces, toolchains, safety needs and project constraints.
A capable C programming language specialist often works with Git, CMake or Make, GCC or Clang, GDB and static-analysis tools. Embedded projects may also require RTOS concepts, microcontroller SDKs, hardware debugging, communication protocols and cross-compilation.
The needed background depends on risk and scope, not only code volume. A small library may need focused implementation skills, while safety-relevant firmware, kernel work or a complex port requires proven experience with concurrency, memory faults, testing and the target environment.
C projects can often be handled remotely through repositories, build systems, simulators and shared test environments. On-site collaboration in Stuttgart becomes more useful when specialists must access prototype hardware, laboratory equipment or restricted production systems.
Look for clear ownership of memory, explicit error handling, understandable interfaces and tests for boundary conditions. A strong C professional can explain compiler warnings, undefined behaviour, concurrency decisions and how the code is validated on its target platform.
ANSI C refers to standardised C language specifications and is commonly discussed alongside ISO C. Standard-conforming code can improve portability, but projects still need a clear compiler version, platform assumptions and policy for extensions used by the toolchain.
C remains important in automotive electronics, industrial automation, robotics, medical equipment and connected hardware. Specialists may contribute to firmware, control software, diagnostic tools or communication components, with collaboration shaped by hardware access and language expectations.
The average hourly rate of freelancers in Stuttgart, Germany who have used C in their recent projects is 96 €, which corresponds to a daily rate of about 771 € based on an 8-hour working day.
Of the freelancers in Stuttgart, Germany who have used C in their recent projects, 100% hold at least a Bachelor's degree, 77% hold at least a Master's degree, and 4% hold a doctorate.
On average, freelancers in Stuttgart, Germany who have used C in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2.5 years.
The most common languages among freelancers in Stuttgart, Germany who have used C in their recent projects are English (100%), German (97%), and French (30%).
The most common industries among freelancers in Stuttgart, Germany who have used C in their recent projects are Information Technology (70%), Automotive (63%), and Manufacturing (50%).
The most common business areas among freelancers in Stuttgart, Germany who have used C in their recent projects are Information Technology (87%), Product Development (87%), and Quality Assurance (73%).
Main locations of FRATCH Experts, who have recently used C
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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Munich 
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Frankfurt 
Dusseldorf 
Leipzig 
Dortmund 
Essen 
Hanover 
Nuremberg Request a free demo
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FRATCH CEO
