C Experts in Vienna
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Meet FRATCH Experts in Vienna, who have recently used C
Chrisabel Prischl
Last position:
AI Systems & Product Strategy Expert at Webmeisterin
I build. I advise. I think in systems. After years leading digital transformation at scale — Accenture, BP, Lidl — I made a deliberate choice: trade platform dependency for structural independence. My focus is at the intersection of AI systems, product strategy, and venture thinking. I work with operators and founders who want to move fast without losing control — of their data, their stack, their direction.
Burak Elalmis
Last position:
Senior Software Engineer at Nürnberger Versicherung
Further development of an insurance product quotation system
- Implementation and maintenance of pricing logic for property and casualty products (accident, property liability, business contents) based on Java and FaktorIPS
- Implementation of actuarial tariff revisions into product-specific calculation models
- Development and refactoring of backend components and web UI components
- Creation and maintenance of test tables and automated premium tests for quality assurance
- Code reviews and active involvement in quality assurance in the development process
- Production support and bug fixing in live operations
Christian Stradal
Last position:
Standardization of equipment, software and processes for DACH/SOE region at Neuroth AG
- Scope development and project planning
- Stakeholder management
- Process analysis and adaptation
- Development of reporting structures
- Establishment of joint communication structures
- Training concept
- Order processing and cost tracking
Michael Langer
Last position:
IAM Developer & IT Architect at Internationale Bank
Design and implementation of new functionalities in the areas of Lifecycle Management (LCM), Role Management (RLM) and Access Governance
Adjustment of the company-wide Segregation of Duties (SoD) matrix to ensure regulatory and internal compliance requirements
Further development and configuration of recertification processes
Creation and adaptation of custom workflows, rules and tasks in SailPoint IdentityIQ (BeanShell, XML, Java)
Use of static code analysis with SonarQube to ensure code quality and compliance with defined development standards
Regular code reviews within the development team to ensure quality, share knowledge and follow clean code principles
Work in an agile Scrum team with daily communication, sprint planning and reviews
Coordination with testers, test managers and business departments to ensure quality and smooth production rollout
Active involvement in release planning and deployment coordination, including test preparation, cutover activities and rollback strategies
Analysis and sustainable resolution of issues in the IAM production environment (2nd- and 3rd-level support)
Reproduction of complex errors, identification of root causes and implementation of lasting fixes
Creation of technical analyses and recommendations for operations and further development
Jori Martini
Last position:
Agile IT Manager Healthcare Systems at MA01 Gov. Digital City
- Responsible for managing GMP-critical systems
- Leading a team of 20 professionals
- Vendor management with a €15M annual budget
Matthias K.
Last position:
Business Architect at E5GTEC
- Analysis of extended requirements related to existing controllers in an industrial plant
- Creating concepts for storing and visualizing sensor data
- Communication with PLCs
- Microservice architecture
- Unified architecture
- AI-based evaluations of sensor data
- Technologies used: .NET 8, Minimal API, Postgres, MQTT, RabbitMQ
Lorenz Graiff
Last position:
Business Analyst at Wirtschaftsagentur Wien
- Conducting a feasibility study on introducing an in-house DWH as a central data source
- Conducting workshops for current state analysis (processes, reports, KPIs) together with the clients
- Gathering and detailing business requirements including a target concept for an in-house DWH
- Coordinating and clarifying data deliveries and interfaces in meetings with stakeholders and data providers
- Developing initial data models as a basis for data quality and later implementation
- Drafting solution variants including architecture and operation options and decision basis
- Creating the business case including effort estimates, cost-benefit analysis, and decision report
Markus Kleiber
Last position:
Document Development at Insurance Company
- Replacement of original Dopix documents and modules into the Quadient document environment
- Extension of document logic
Jürgen Eckel
Last position:
Chief Executive Officer at Riddle&Code GmbH
- Pivoted the company into data-driven and AI-powered energy optimization solutions for microgrids, energy communities, and grid operators.
Dániel Németh
Last position:
Postdoctoral Researcher - Theoretical and Computational Physics at Radboud University
- Built and maintained C and C++ simulation engines with Python analysis for studies of 4D random geometries on shared HPC systems.
- Developed modular Python pipelines with clear interfaces and caching for large datasets to improve analysis throughput and reuse.
- Automated SLURM and PBS batch workflows for submission, monitoring, environment capture, and artifact packaging to ensure reproducibility.
- Refactored utilities into tested, documented packages to lower maintenance effort and support collaboration.
- Supervised BSc students and organized seminars.
- Published several peer-reviewed papers.
Wolfgang Gärber
Last position:
Harman-Becker GmbH
- TI-DSP Audio Framework
- Fixing runtime / performance problem on a hybrid multicore SoC DRA787
- Handling, tuning and optimization for online AVAS speaker impedance monitoring
- Alternate detection algorithm developed and proposed
Gabriela Mair
Last position:
Managing Director & Corporate Communications Expert at ProComm Progressive Communications e.U.
- Independent entrepreneur in corporate communications, PR, and digital marketing
- Advising on and implementing communication strategies for companies in various industries
- Specializing in content marketing, social media, and innovative AI-based communication solutions
Timo Casanova
Last position:
Manager for SAP and Generative AI at SKAD GmbH
- Leading teams in the implementation of SAP solutions and Gen AI technologies in mission-critical projects for digitalization and process optimization
- Developing and implementing comprehensive strategies for integrating SAP systems and Generative AI tools to address critical business challenges and generate competitive advantages
- Providing deep expertise in SAP and GenAI platforms, consulting on the selection, customization and implementation of technology solutions for clients
Aaron Heimel
Last position:
Career Break
- Big move, focus on DIY hobbies, small personal software projects.
Discover over 15,000 top freelancers
Statistics of experts using C
Aggregated from the professional profiles of matched freelancers.
Experience
19 years
Position duration
2.3 years
Positions per freelancer
13
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Government and Administration, Telecommunication
Certification focus areas
Information Technology, Strategy, Human Resources
Bachelor's degree or higher
79%
Master's degree or higher
71%
Doctorate
7%
Certifications per freelancer
2
Most common languages
German, English, Italian
Speak two or more languages
93%
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 Vienna 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 Vienna 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, fast systems language used where control matters. It sits close to the hardware and gives specialists direct access to memory, pointers, and precise resource handling. That makes it a common choice for operating system code, firmware, drivers, and performance-critical services.
Typical work
- Embedded software for devices and industrial systems
- Kernel, driver, and systems code
- Network tools and protocol implementations
- Native libraries and performance-sensitive modules
- Maintenance of older C codebases
Tooling and ecosystem
Strong C work depends on careful use of compilers, build systems, debuggers, and static analysis tools. Professionals often work with GCC, Clang, Make, CMake, GDB, Valgrind, and sanitizers. They also manage headers, ABI stability, memory ownership, and cross-platform builds.
When to bring in specialists
Companies look for C expertise when a product must run close to hardware, use little memory, or keep strict timing. It also matters when older systems still power business-critical processes and need safe changes. In Vienna, that often comes up in industrial software, telecom, research, and long-lived enterprise systems.
What good C work looks like
Good specialists write code that is readable, testable, and defensive. They avoid undefined behavior, track memory clearly, and design interfaces that are stable over time. They also understand how to review compiler warnings, isolate bugs, and document assumptions that are easy to miss in C.
C with other languages
C often sits beneath C++, Rust, Python, or Java as a native layer or library. Specialists need to connect it cleanly to higher-level code, especially through shared libraries, bindings, and foreign function interfaces. In Vienna-based teams, remote collaboration is common, but on-site work can help when hardware access or tight release coordination is involved.
Frequently asked questions
What clients ask us most about C — answered in short.
C is used for software that needs speed, small memory use, and close control over the system. Common examples include embedded code, operating systems, device software, protocol stacks, and native libraries. It is also common in long-lived codebases that must keep working across many environments.
C is simpler at the language level, but that also means the specialist must handle memory and safety with more discipline. Compared with C++, it has fewer abstractions and a smaller standard library. Compared with Rust, it gives more direct control but less built-in protection against memory bugs.
A strong C specialist writes clear code, understands memory ownership, and knows how to debug low-level problems. Look for experience with compilers, build systems, tests, and static analysis, not only syntax knowledge. The best people can explain trade-offs in portability, performance, and maintenance.
A good C specialist often also knows Linux, embedded targets, networking, or operating-system concepts. Build tools, debugging, profiling, and code review skills matter just as much as the language itself. In many projects, experience with C++, Python, or scripting for test automation is also useful.
For a small utility or a contained library, a focused C specialist may be enough. For firmware, drivers, or critical legacy systems, you usually want someone who has already handled memory bugs, portability issues, and build complexity. The harder the environment, the more important proven delivery becomes.
Many C tasks can be done remotely, especially library work, code review, debugging, and test-driven maintenance. On-site collaboration helps when the specialist needs access to lab hardware, devices, or a controlled release setup. Vienna teams often use a mix of both depending on the system involved.
C is a low-level systems language, while C# is a managed language built for application development on a different runtime. That means C gives more direct control over memory and hardware, but it also requires more care. If the project depends on native code, C is often the better fit.
Look for predictable memory handling, clean error paths, and code that avoids undefined behavior. A strong C review also checks portability, compiler warnings, and whether the interfaces are stable for future change. Good code should be understandable without depending on hidden assumptions.
The average hourly rate of freelancers in Vienna, Austria who have used C in their recent projects is 106 €, which corresponds to a daily rate of about 851 € based on an 8-hour working day.
Of the freelancers in Vienna, Austria who have used C in their recent projects, 79% hold at least a Bachelor's degree, 71% hold at least a Master's degree, and 7% hold a doctorate.
On average, freelancers in Vienna, Austria who have used C in their recent projects have 19 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Vienna, Austria who have used C in their recent projects are German (100%), English (93%), and Italian (21%).
The most common industries among freelancers in Vienna, Austria who have used C in their recent projects are Information Technology (86%), Government and Administration (50%), and Telecommunication (43%).
The most common business areas among freelancers in Vienna, Austria who have used C in their recent projects are Information Technology (93%), Product Development (79%), and Project Management (71%).
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.
Countries:
Vienna 
Graz Request a free demo
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Philipp Thomaschewski
FRATCH CEO
