C Experts in Dortmund
matched in minutes from over 15,000 CVs with the power of AIHire experts who write efficient C for embedded systems, device drivers, performance-critical services, and low-level libraries. They work close to the OS, memory, and hardware. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Dortmund, who have recently used C
Laurin Hagemann
Last position:
Software Architect (Freelance) at Care4Sure
- Delivered MVP-focused full-stack architecture for a health-sector client: Vite/React frontend, backend services on Google Cloud Run, and Supabase for database plus IAM/authentication.
- Supported product requirements engineering and prioritized cost-aware workload placement, implementing browser-side/edge computation where feasible before moving logic to backend services.
Jens Schneeweiß
Last position:
Network Technology at ISP, Internet Service Provider, BGP Peering
- Optimization of the transmission media of the data links in the Ruhr area
- Configuration/expansion of switches and routers for an autonomous system AS
- Improve the network protocols used Layer 2/3 (OSI model), RSTP, broadcast, etc.
- Laying cables, crimping, antennas, routers, switches
- Maintenance, expansion, selection and prioritization of troubleshooting measures for network monitoring (PRTG, The Dude)
- Organization and new connection of another BGP peering, data center, NGN fiber optic
- VPN IPSec site connections for 6 sites with PFSense, Fritzbox
- Configuration of WLAN devices (Mikrotik, UBNT
Label: TCP/IP, VLAN, BGP, OSPF, MPLS, VPLS, routing protocols, WLAN, EoIP, PPPoE, routing, SNMP, DHCP, DNS, NAT, native IP, VLAN, Ethernet, VoIP., switches and routers from: Nortel, Cisco, MikroTik, UBNT., network management systems: The Dude, PRTG, UISP
Usama Ilwan
Last position:
Owner / Founder at Wizard Building Technologies
- Established and managed an exporting company specializing in hand tools and building materials.
- Successfully exported goods to Arab countries and worldwide.
- Oversaw all business operations including procurement, sales, and logistics.
- Built and maintained relationships with international clients and suppliers.
Ahmed Sioud
Last position:
Electrical Hardware Designer at Dematic GmbH
- Planning and designing hardware components for stacker cranes
- Creating engineering drawings and storing parts lists in SAP
- Maintaining and updating old and new circuit diagrams in EPLAN P8
- Managing master data up to creating macros for parts and assemblies
- Technical clarifications with suppliers, customers, and other departments
- Supporting the preparation of quotes and cost estimates
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.
Ilja Leyberman
Last position:
Software Engineer/Architect (Tech Lead) at Mercedes-Benz Tech Innovation GmbH
- Implementation of various interfaces for subsystems and connection to external devices (cameras, scanners, digital lockers)
- Development of various interfaces in the used cars area
- Realization of various prototypes
- Support in UI/UX and data analytics
- Development of frontend and backend solutions
- Kubernetes migration
- Building CI/CD pipelines
- Communication with the business unit and technical design of new solutions
- Cross-team alignment and coordination within the team
- Overview of the entire technology stack and related systems
- Documentation, preparation, and conducting of reviews
- Supporting the team and coordinating releases and key milestones
Jan-Niklas Freundt
Last position:
Founder at Freundt Consulting GmbH
- Porsche AG (2018 – 12/2019): Design and development of native iOS apps in motorsport/Formula E (e.g. travel app and enterprise warehouse management with SAP integration) and e-mobility (Porsche Taycan; development of a native Microsoft Excel data export).
- StarFinanz / Sparkasse (05/2019 – 07/2021): Worked on the banking app (FinTS, HBCI, PSD2, Apple Pay); implemented Apple Pay; implemented a new TAN method; worked with the FinTS backend (PSD2); opened bank accounts via app (eID, VideoID, Authada); designed a new, modern banking experience.
- eBay Classifieds and Adevinta (07/2021 – 06/2023): Packaging & Pricing (premium features for business customers): e.g. markdown; company page; advertising options; multi-tenant design system based on SwiftUI and UIKit.
- Maschinensucher (07/2023 – 12/2023): Fullstack mobile (Android, iOS) and backend (PHP, Yii, Elastic Search) development; implemented search agent push notifications, InstantSearch, and modernized the design.
- Bankverlag (02/2024 - Present): Consulting and fullstack development of white-label apps (iOS / Android / Java Spring Boot) for private banks.
Henning Pankratius
Last position:
Siemens
- Developed a reporting API with RESTful services and Spring Boot
- LDAP integration
- Migrated services to AWS
- Bootstrap
- Frontend development with Angular 14
- JBoss
- DynamoDB
- S3
- Athena
Discover over 15,000 top freelancers
Statistics of experts using C
Aggregated from the professional profiles of matched freelancers.
Experience
24 years (Germany: 23 years)
Position duration
2.3 years (Germany: 3.1 years)
Positions per freelancer
21 (Germany: 14)
Top business areas
Product Development, Information Technology, Project Management
Top industries
Automotive, Healthcare, Information Technology
Certification focus areas
Information Technology, Product Development, Logistics
Bachelor's degree or higher
88%
Master's degree or higher
25% (Germany: 61%)
Certifications per freelancer
3
Most common languages
German, English, Arabic
Speak two or more languages
100% (Germany: 98%)
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 Dortmund 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 Dortmund 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Core language
C is a small, direct language for systems work. It is used where control over memory, timing, and hardware access matters. Teams choose C for firmware, operating systems, network tools, runtime components, and other software that must stay fast and predictable.
Typical work
- Embedded firmware for devices and controllers
- Device drivers and hardware-facing code
- Networking, storage, and security components
- Performance-critical libraries and command-line tools
- Legacy code maintenance and porting
Strong C specialists understand pointers, memory layout, and compiler behavior. They write code that is simple to read, easy to debug, and safe enough for long-lived systems.
Tooling and ecosystem
C work often sits alongside GCC, Clang, Make, CMake, GDB, Valgrind, and static analysis tools. Good specialists also know build flags, cross-compilation, and how to trace problems that only appear on one platform or board.
When companies bring in help
- A product needs low-level code with tight performance targets
- An existing C codebase is hard to maintain or modernize
- A release has memory bugs, crashes, or undefined behavior
- Hardware, firmware, or a native library must be integrated
In Dortmund, companies often need specialists who can work with local product teams on-site and support distributed engineering groups remotely. Clear communication in English and, when needed, German helps keep delivery smooth.
What strong specialists do
Good C professionals think about interfaces, ownership, and edge cases from the start. They use tests, sanitizers, and careful review to catch defects early. They also know when to keep code plain and when to wrap C with safer layers in another language.
Choosing the right fit
Look for people who can explain trade-offs clearly and show work in real systems, not just toy examples. Ask how they handle undefined behavior, resource cleanup, portability, and API design. For C, practical experience with the target platform matters more than generic language knowledge.
Frequently asked questions
Questions about C? Start with the answers below.
C is used for software that needs close control over memory, timing, and hardware access. That includes embedded firmware, operating systems, drivers, network stacks, storage components, and small utilities that must stay lean and fast.
C stays closer to the machine and has a smaller language surface, which can be an advantage in firmware and low-level system code. C++ is often chosen when teams want higher-level abstractions, but many projects still prefer C for stable interfaces, portability, and simpler runtime behavior.
A strong C specialist usually knows memory management, build systems, debugging tools, and at least one testing approach for native code. For embedded or driver work, knowledge of the target OS, cross-compilation, and hardware constraints is also important.
A C freelancer can often start quickly if the codebase is well documented and the interfaces are clear. For legacy systems, they need access to build steps, architecture notes, and enough domain context to avoid breaking platform-specific behavior.
Yes, C work is often done remotely, especially for libraries, services, and maintenance tasks. On-site time can still help when the work depends on specific hardware, lab equipment, or direct coordination with product and testing teams in Dortmund.
Look for clean handling of pointers, allocations, error paths, and boundary cases in C code. Good specialists write code that is easy to test, explain why a change is safe, and can discuss undefined behavior without guesswork.
A C expert can own modules, bug fixes, refactoring plans, build adjustments, performance tuning, and integration work with other native components. In practice, the best deliverables are small, well-scoped changes that improve stability without adding complexity.
Choose C when control, portability, or direct hardware access matters more than convenience. It is often the right fit for firmware, system libraries, and components that must run in constrained environments or stay compatible for a long time.
The average hourly rate of freelancers in Dortmund, Germany who have used C in their recent projects is 92 €, which corresponds to a daily rate of about 739 € based on an 8-hour working day.
Of the freelancers in Dortmund, Germany who have used C in their recent projects, 88% hold at least a Bachelor's degree and 25% hold at least a Master's degree.
On average, freelancers in Dortmund, Germany who have used C in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Dortmund, Germany who have used C in their recent projects are German (100%), English (100%), and Arabic (25%).
The most common industries among freelancers in Dortmund, Germany who have used C in their recent projects are Automotive (75%), Healthcare (75%), and Information Technology (75%).
The most common business areas among freelancers in Dortmund, Germany who have used C in their recent projects are Product Development (88%), Information Technology (75%), and Project Management (63%).
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.
Berlin 
Hamburg 
Munich 
Cologne 
Frankfurt 
Stuttgart 
Dusseldorf 
Leipzig 
Essen 
Hanover 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
