
C Experts in Germany
, matched in minutes from over 15,000 CVsHire experts who design embedded software, operating-system components and high-performance native applications in C, with practical knowledge of Linux, microcontrollers, POSIX and CMake. FRATCH finds precise matches with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used C
Alwin G.
Last position:
IT Interim Manager & AI Strategist
- Founder of CheironX: AI-supported GRC management (ISO 27001, BSI IT-Grundschutz, TISAX, DORA)
- Strategic focus on Agentic AI and GenAI for modern IT Governance, Risk & Compliance Management
- IT interim management and strategic consulting
Klaus K.
Last position:
HCL Notes Banking Support, Domino Administration / Migration / Operations at Atruvia / HCL International
Description of duties “Atruvia / HCL International” Role: HCL Notes Banking Support, Domino Administration / Migration / Operations Operations, administration and technical support of the HCL Notes/Domino environment in the Atruvia banking environment on behalf of HCL. As part of an international support team, the focus was on second- and third-level support as well as the processing, management and monitoring of SLA tickets in categories 1, 2 and 3. Duties included the technical analysis and resolution of incidents in the Notes/Domino environment, system administration, and the development and modification of Lotus Notes /Domino applications and LotusScript agents when a programming solution was required. Another focus was ticket dispatching: analysing and assessing incoming tickets, assigning them to the responsible departments and specialist teams, and subsequently coordinating and tracking processing within the agreed SLA periods. There was also direct communication and coordination with subject-matter experts, departments and end customers of the connected banks. In particular, when language or technical communication problems arose within the international support team, German-language customer communication was handled and mediation between customers and technical specialists was provided. Objective Ensuring stable and reliable operation of the HCL Notes/Domino landscape in the Atruvia banking environment and the timely processing of business-critical support cases in line with the agreed Service Level Agreements. Incidents were to be analysed as early as possible and either resolved directly through administrative measures or suitable LotusScript/Notes solutions, or forwarded specifically to the responsible specialist teams. As of: 25.09.2026 (Version 2.10 LITE) including project times Page: 3 of 32 SPO-SOFT EDV Beratung, Dipl.-Ing. Klaus Kano, Tel.: +494532-2767682, Mail: [email], [link] At the same time, qualified preliminary analysis and targeted ticket dispatching were intended to ensure that every ticket reached the technically and professionally responsible department immediately and that unnecessary transfers, processing times and associated costs were reduced. Result Operational Notes/Domino support for the banks served was reliably ensured throughout the entire project period. SLA-relevant tickets were systematically analysed, prioritised, assigned to the responsible departments and tracked through to resolution. Some incidents were resolved directly through administration, technical error analysis and the development of suitable LotusScript agents and modifications to Notes/Domino applications. By directing tickets specifically to the relevant expert and specialist teams, incorrect assignments and unnecessary processing loops were reduced and compliance with the agreed SLA times was supported. Direct communication with the banks and mediation between German-speaking end customers and the international support team also contributed to efficient problem resolution and high customer satisfaction.
Silvia B.
Last position:
Business Consultant - Product Management Banking at Aareal Bank AG
- Focus on optimizing and further developing the internal customer EBICS application
- Functional and technical consulting for Aareal First Financial Solutions AG on EBICS standard products and applications in the areas of operations and further development, as well as project-related communication with external development partners and the product manufacturer to implement the corresponding technical optimizations
- As the functional coordinator, providing advice on content-related and regulatory requirements as well as technical prerequisites and requirements, and bringing these together at the functional level
- Consulting on the use of EBICS formats
- Reviewing the current EBICS standard for optimization and further development potential
- Analyzing the current state to identify development potential and deriving appropriate recommendations for action while considering regulatory requirements
- Conducting EBICS tests throughout the project
- Functional responsibility for requirements management and, in this context, recording and documenting requirements for such tests
- Designing a functional and sustainable test management system
- Conducting and evaluating tests
- Consulting on sustainable quality assurance and audits
- Project language: German and English
- Tools/Methods: MS Project, MS Office, MS Visio, TestRail, Confluence, Jira, Business Logics Bankkrecher, Business Logics Test Data Generator, Business Logics Banking Tool, Business Logics Test System, DBEAVER, Squirrel, Unix Virtual Machines, WinSCP, Kitty, Putty, various Aareal Bank products, Online Banking Portal, Aareal Sign, core banking system, SAP Blue Eagle, SAP RE-FX, Aareon Wodis Sigma, Haufe Real Estate Wowinex, GAP Group Immotion, UTS Karthago, SAP IS-U/Waste, SIV kVASy, various EBICS clients
Yulia V.
Last position:
Independent Advisor - Strategy, Transformation & AI at JV Advisory
Independent advisory practice for strategy, organisational transformation, M&A / investor work and AI/data-enabled change.
- Short-term diagnostic and problem-solving mandates: rapid strategic and organisational assessments for leadership teams and Boards, translated into recommendations and transformation roadmaps.
- Organisational redesign and AI governance for an international group of approximately 1,500 employees: structure, mandates, decision rights and interfaces; AI-readiness and data-maturity assessment; vendor evaluation and selection; capability building.
- Design of a centralised Strategy Execution / Results Delivery Office for an industrial client: mandate, governance, portfolio steering, KPI logic, decision forums and implementation roadmap.
- Selected part-time mandate with SPARS GmbH (as a Business Development and Investments Director): developed M&A pipelines, assessed targets for strategic fit and synergy potential, led commercial due-diligence workstreams and investor / partner engagement.
Tobias M.
Last position:
Power BI Expert at MID-SIZED TRADING COMPANY FOR CLEANING TECHNOLOGY AND HYGIENE PRODUCTS
Reporting and controlling using Power BI for a production ERP system
- Analysis of ERP data and interfaces for use in Power BI dashboards
- Evaluation and migration of existing reports (e.g. Excel) to Power BI
- Development of an authorization concept for selective data access
- Documentation and training on the use and customization of Power BI dashboards
Label: Power BI, Excel, SelectLine ERP, Microsoft SQL, SQL Server Management Studio
Ornel Franck W.
Last position:
Sales Partner at ERGO PRO
- Industry: Insurance, Trade, IT
- Customers & Projects: Consulting and selling insurance and similar services
- Main tasks: Insurance consulting (health insurance, retirement planning, wealth building); commercial services, inside and field sales; sales data analysis and forecasting; customer consulting and support; opening a new sales headquarters for private and business customers; business development & innovation management; business use case development; process optimization; stakeholder management; team leadership and training; preparation and delivery of trainings;
- Technologies used: Microsoft Office 365, Microsoft Teams, Jira, Draw.IO, Camunda 8, Java (8, 17,21,25), Git, Spring Boot, Spring Batch, Spring Data REST, Spring Web, Spring Security, J-Unit, Playwright, Lombock, Vaadin, H2, PostgreSQL (16, 17 18), pgAdmin, Docker, LLMs, JasperSoft Studio, JasperReports
Peer W.
Last position:
Co-Founder at shopconsulting.ai
Set up backend assistants, prompt engineering, customer communication, growth strategy
Successful implementation of AI shopping assistants e.g. Thalgo.de
Kiriakos K.
Last position:
Tech Lead / Architect : OTTO API Platform at OTTO
Maturing their API practices on both a business and technology level. My role covers strategy, architecture, developer advocacy as well as hands-on software engineering, enabling both technical teams and business leadership to adopt and act on API-centric principles effectively. Coincidentally, we also establish GitOps, DX and platform best practices with this project.
Highlights:
- Aligning executives with the initiative by clarifying strategy, replacing misconceptions and myths with facts, clarifying the value of existing assets and enabling informed decision-making
- Formulating a way forward for API Lifecycle Management at OTTO
- Driving platform progress and fostering developer engagement by hands-on engineering work towards strategic goals
API Lifecycle Management, Team Topologies, Organizational Evolution, Regulatory, Platform Advocate, Developer Platform, Communities of Practice, Terraform, Kotlin, Kafka, Kong, WSO2, Apigee, Gravitee, Backstage, AsyncAPI, OpenAPI, API Design, AWS, React, Node.js, TypeScript, Redocly, reactive programming, CDC, Golang, Gin, GitOps, DX (developer experience), stakeholder management, roadmaps, workshops, discovery.
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
Muhammad Tanveer B.
Last position:
Embedded Systems Consultant / Architect | Integration and Validation Engineer / Manager at Ingenieurbüro Baig
Led the hardware development and validation of a safety-critical 400-V battery management system (BMS) for the TOGG SUV program; performed system architecture reviews, schematic validations, EMC and reliability tests, and root cause analyses in compliance with relevant automotive standards (ECE-R10, CISPR25, ISO-26262). Coordinated cross-country EU engineering teams, customer reviews, and technical documentation to deliver a production-ready, validated system.
Architected and integrated 22 state-of-the-art ADAS validation vehicles for BMW ADCAM and LIDAR programs at Magna Electronics; synchronized up to 26 heterogeneous sensors (LIDAR, RADAR, cameras, GNSS/INS) using PTP-based timing architectures. Defined the system architecture, HW/SW interfaces for hardware-in-the-loop (HIL) rework, sensor integration strategies, and data acquisition frameworks. This enabled scalable vehicle-level validation, improved validation efficiency by 25%, and reduced project costs by €1.45 million.
End-to-end validation and integration of automotive radar platforms for a Daimler project at Continental. Developed automated open-loop hardware-in-the-loop (HIL) environments to accurately test target tracking KPIs, field-of-view limits, and thermal and voltage-related ECU state machines. Skilled use of a highly complex toolchain consisting of CANoe, Lauterbach Trace32, RADAR target simulators, and EMC shielding chambers for RF and system validation. Synchronized global, interdisciplinary teams to speed up troubleshooting and close critical technical gaps.
Reconstructed and validated the product architecture of an electromechanical e-bike by integrating and troubleshooting critical subsystems (BMS, motor control, sensors, HMI, electronic locking systems). Built a comprehensive system-level test bench for functional testing, fault reproduction, and performance analysis; coordinated suppliers and implemented corrective actions to improve reliability and traceability.
Defined the system architecture and validation strategy for a LIDAR platform developed in cooperation with Elmos Semiconductor; evaluated optical measurement concepts, SPAD detector integration, and system requirements, and created technical recommendations for product development and verification.
Developed LabVIEW-based automation and verification software for a high-precision hydraulic and electromechanical test system for FTE Automotive; integrated NI DAQ hardware for high-frequency real-time capture of physical measurements. Developed automated test sequences, programmable endurance tests, troubleshooting routines, data logging, and analysis tools to improve test efficiency and traceability.
Successfully delivered full engineering life cycles for well-known industrial customers (Magna, Continental, Farasis, FTE Automotive, BMW, Daimler, TOGG) – from requirements engineering and proof of concept to system integration and validation, technical documentation, supplier coordination, and user training.
Hans-Dieter G.
Last position:
Training as an AI Expert
I continuously expand my expertise in AI and automation. I work with ChatGPT, OpenAI, Manus, Gemini, MS CoPilot, APIs, LangChain, Hugging Face, Manus, TensorFlow, and Auto-GPT, as well as Python-based ML frameworks and MLOps tools, to intelligently transform traditional software development, analysis, and testing processes.
Tobias R.
Last position:
M&A IT Project Manager / Cross-functional Technical and Integration Manager at Sandoz AG
- Worked for several M&A projects (Eire, Sunshine C, Coral) in the role of IT project manager and cross-functional technical manager / integration manager.
- Preparation and maintenance of project charters, project change requests and project plans.
- Weekly project status report.
- Preparation of decision papers and steering committee slidedecks.
- Risk & issue management.
- Tracking and managing activities, dependencies and deliverables across all functional IT domains.
- Data migration (planning and execution).
Rudolf E.
Last position:
Datacenter Engineer, Network & Security Administrator at International insurance group
Operation and further development of the network and security infrastructure.
Monitoring, analysis and resolution of network and security incidents.
Cross-department collaboration with other specialist teams for operations, further development and reporting.
Firewall vulnerability analysis.
Firewall rule approvals.
Troubleshooting IP communication issues in the network and firewall infrastructure.
Security-critical IT infrastructure, processing of personal data, compliance with legal regulations.
Products: Palo Alto Networks Firewalls, Cisco ACI, Checkpoint Firewalls, F5
Technologies: SDN, SDWAN, Cisco EPIC, Cisco ACI
Mirza K.
Last position:
Agentic Automation and a RAG system
- This project involved extraction of intelligence data to support report writing for a company that provides geopolitical, global, commercial intelligence. The data have been gathered from a number of resources (interview transcripts, online data, internal documents), and then a knowledge base has been build from it. This was the basis of a complex RAG system, that was evaluated against a golden dataset. Agents have been used to find out the contradicting intelligence, the statements supporting each other, and to store back the generated knowledge.
Used: Python, RAG, LangGraph, LangChain, deepeval, MCP
Christian R.
Last position:
Project Manager, Outlook and Teams Rollout at BWI
- Gathering information
- Creating rollout wave concepts
- Coordinating employees
- Monitoring and managing activities
- Project management including analysis and reporting to the board
- Creating instructions and specifications
- Training floorwalkers
- Supporting the rollout on site
- VIP support
- Introducing SharePoint
Discover over 15,000 top freelancers
Statistics of experts using C
Aggregated from the professional profiles of matched freelancers.
Experience
21 years

Position duration
3.1 years

Positions per freelancer
13

Top business areas
Information Technology, Product Development, Quality Assurance

Top industries
Information Technology, Manufacturing, Automotive

Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
90%
Master's degree or higher
65%
Doctorate
11%

Certifications per freelancer
2

Most common languages
German, English, French

Speak two or more languages
98%
Based on our profile pool as of 9 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany 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.
Discover detailed C rate benchmarks:
Explore rate insightsAverage rates of experts in Germany 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 9 Oct 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 (80%)
- Manufacturing (55%)
- Automotive (50%)
- Banking and Finance (35%)
- Education (35%)
- Healthcare (33%)
- Telecommunication (30%)
- Professional Services (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Core language
C is a compiled, procedural language built around direct memory access, predictable execution and close control of hardware. It is used for firmware, operating-system components, device drivers, networking software and performance-critical libraries. ANSI C and ISO C describe the language standards used across many toolchains.
Where C runs
C specialists create software for microcontrollers, sensors, industrial controllers, automotive systems and connected devices. They also work on Linux and other Unix-like systems, real-time operating systems, command-line tools and native libraries that support larger applications.
- Embedded firmware and board-support packages
- Device drivers and hardware interfaces
- Network services and protocol implementations
- Operating-system and systems-level components
Tooling and ecosystem
A C project may involve GCC, Clang, Make, CMake, GDB, Valgrind and static-analysis tools. Strong knowledge of POSIX, cross-compilation, linker scripts, build systems and version control helps professionals move from source code to a reliable binary. Testing often includes unit tests, hardware-in-the-loop checks and sanitizers.
When expertise matters
Companies bring in freelance C specialists when a product must meet tight memory, latency or power constraints, or when existing native code needs a safe extension. They can modernize an older codebase, port software to a new processor, investigate faults or prepare firmware for production. In Germany, this work often supports industrial equipment, automotive systems, medical devices and connected products.
Signs you need support
- Firmware behaves differently across boards or compiler versions
- Memory corruption, race conditions or timing faults are hard to isolate
- A legacy C codebase lacks tests, documentation or a repeatable build
- A product needs a hardware port, protocol integration or real-time tuning
Clear requirements make freelance collaboration more effective. Share the target processor, operating environment, interfaces, safety constraints and expected deliverables before work begins. Remote work is common, while hardware bring-up and lab testing may require access to equipment on site.
What strong professionals bring
Experienced C professionals reason carefully about ownership, lifetimes, data layout, concurrency and failure handling. They use code reviews, warnings, static analysis and reproducible builds instead of relying on informal habits. They can explain trade-offs in plain language and document interfaces so that firmware, hardware and application teams can work together.
Frequently asked questions
The facts hiring teams ask for most often when it comes to C.
C is commonly used for embedded firmware, device drivers, operating-system components, networking stacks and native libraries. It is a strong fit when predictable resource use, hardware access or low runtime overhead matters.
C offers a small language core, broad hardware support and direct control over memory and data representation. C++ adds abstraction and object-oriented features, while Rust provides compile-time protections for many memory-safety issues; the right choice depends on existing code, toolchains, team skills and system constraints.
C work often requires knowledge of microcontrollers, embedded Linux, RTOS concepts, electronics interfaces and debugging with GDB. Useful adjacent skills include POSIX, networking, Git, CMake, cross-compilation, hardware testing and secure coding practices.
C projects vary widely in risk and scope. A small library change may need focused knowledge of the codebase, while firmware, driver or safety-related work calls for demonstrated experience with the target processor, toolchain, testing process and deployment environment.
C specialists can handle code review, build work, testing and many debugging tasks remotely from Germany or elsewhere. On-site collaboration may still be useful for hardware bring-up, lab equipment, board faults or restricted development environments.
C quality is visible in clear ownership rules, bounded resource use, defensive error handling and reproducible builds. Ask for examples of testing, static analysis, debugging and documentation, then use a focused technical task that reflects the real hardware or runtime constraints.
C remains practical when vendors provide C toolchains, when a small runtime is important or when a project must integrate with established firmware and hardware libraries. Teams should define safety, maintenance and testing expectations early, especially if the product will be supported for a long time.
C professionals need the processor or board details, operating system, compiler, build system, interfaces and performance constraints. Include the current repository state, test setup, hardware access rules and a clear definition of the expected patch, module or firmware deliverable.
The average hourly rate of freelancers in Germany who have used C in their recent projects is 94 €, which corresponds to a daily rate of about 754 € based on an 8-hour working day.
Of the freelancers in Germany who have used C in their recent projects, 90% hold at least a Bachelor's degree, 65% hold at least a Master's degree, and 11% hold a doctorate.
On average, freelancers in Germany who have used C in their recent projects have 21 years of professional experience, with a single engagement typically lasting around 3.1 years.
The most common languages among freelancers in Germany who have used C in their recent projects are German (98%), English (97%), and French (23%).
The most common industries among freelancers in Germany who have used C in their recent projects are Information Technology (80%), Manufacturing (55%), and Automotive (50%).
The most common business areas among freelancers in Germany who have used C in their recent projects are Information Technology (91%), Product Development (87%), and Quality Assurance (66%).
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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