C Experts in Switzerland
matched in minutes from over 15,000 CVs with the power of AIHire experts who design embedded software, optimize Linux applications and maintain safety-critical C code. FRATCH matches you quickly and precisely with vetted, available freelance specialists for focused delivery or long-term support.
Meet FRATCH Experts in Switzerland, who have recently used C
Claus N.
Last position:
Oracle Database Engineer at BBV.ch
- Migration of databases from ODA to ExaData
- Migration of databases from ExaData to ExaCC/OCI
- Reduced UCC usage by 10%
- Developing automation scripts using Python
- Performance tuning
- Reduced development databases from 6 TB to 3 TB using Exadata columnar compression
- Improved application performance by 30% using the inmemory option
- Improved non-production Exadata performance by 20% to free up CPU resources before ExaCC migration
- Database patching of Oracle 19c
- Basic Ansible scripting for deployments and database cloning
- Developing an accounting model for a shared Oracle platform
- Migrating single-instance databases to Oracle RAC
- Analysis of RAC issues
- Advising development teams on how to migrate to RAC
Michael R.
Last position:
Project Manager, Hustler, & Hound “Project KPIs on the Internet” at Global-KPI
- Project management, Hustler (identifying the complete financial operations, including Sales, Pitching, Financial Analysis, & Business Models) and Hound (identifying real customer needs, including Research, & Analysis) to build an online project KPI system.
- The system enables users to make well-founded decisions to keep projects on track according to their key parameters or bring them back on track when there are negative deviations from the plan.
- Provision of a forecast in addition to the current status.
- Automatic calculation and display of KPIs based on project key parameters entered by the user.
- Skills: Project Management, Project KPIs.
- Problem Space: Co-Innovation Builder (CIB), Corporate Innovation Team Set Up, Team Profile/ Team Canvas, Design Thinking, highlighting people, creating customer personas, researching the market, defining the problem.
- Solution Space: Narrowing down the problem, how to turn ideas into solutions, how to turn solutions into a concept, customer journey, Business Model Canvas, Value Proposition Canvas, prototyping, fine-tuning the prototype and Business Model Canvas, final pitch.
Michael N.
Last position:
Hardware Development Engineer at Thales
- Architected and implemented a bidirectional USB-C 3.0 Power Delivery (PD/DRP) system for 24V battery charging, successfully minimizing software integration risks through targeted feasibility studies.
- Integrated CAN, USB 3.0, Gigabit-Ethernet, and Audio-Codec interfaces in Altium Designer, successfully delivering the complete system schematic ready for board redesign.
ACHIEVEMENTS:
- Rescued a failing (military) legacy project by reverse engineering undocumented hardware, successfully resolving critical design flaws and consolidating the Altium project.
Andi V.
Last position:
Test Engineer at Crypto AG und Crypto International AG
- Defining and conducting system tests
- Supporting the automated test environment
- Evaluating tools for automated testing
Jakob F.
Last position:
Core Team Member at Jafa Consulting
- SME for operational processes, contract negotiation and product design for the implementation of a SaaS contact center solution & carrier services
- Definition of several operational processes, organizational setup, ITSM application integrations, creation of contract schedules and advising contract negotiation
- Scrum Master with agile tooling (processes & automation)
- Commercial manager to create business cases and closing the sales process
- Increasing impact, trusted relationship, and key team member within a short time
Frank G.
Last position:
Project Lead at Flamingo Med Solutions
- Led the founding of a startup for AI-based consulting products for dental practices.
- Developed and launched PraxisScore, a data-driven consulting product for economic analysis and corporate consulting of dental practices.
- Held full responsibility for technical implementation, AI integration, and structured startup setup from product idea to public launch at IDS 2025 in under three months.
Mathias D.
Last position:
Independent contractor at Allianz-Technology
- Developed a large web application for second-pillar retirement insurance (Swiss BVG, Kollektivleben) with over 1000 web pages, using an in-house modeling language and Angular for the front end and back end
- Fixed bugs in the code generator and enhanced and re-engineered the application
- Built an automated testbed
- Implemented PDF document generation with XML and Thunderhead
- Resolved issues caused by the switch to Java 21
- Replaced middleware server for insurance base data (customers, contracts) using Java/Spring, REST, OpenAPI, Docker, Kubernetes, OpenShift, Azure CI/CD pipeline, Jenkins, and GitHub
Peter S.
Last position:
Web Application Developer PHP / WordPress Plugin Development at Gemeinde Bauma
- Analysis, consulting, and development of a WordPress application for the digital processing and delivery of the Bauma chronicle archive
Ursula M.
Last position:
Business Mentor at RoleModel Rebels
- Mentor female students and professionals in advancing their careers, particularly as aspiring tech entrepreneurs.
Christoph J.
Last position:
Project management, Software engineering, Software architect, DevOps at Migros Genossenschafts Bund
- Greenfield project M-Zollmanager: Development of an internal platform to support users in booking requirement areas on line items in assessment notices.
- Greenfield project M-Deliveryplan: Development of an internal platform for planning and tracking deliveries in the international transport sector.
- Created functions to predict the estimated arrival time of container ships and goods from the port of loading to the port of destination, considering potential events.
- Developed the TrackAndTrace add-on for M-Deliveryplan to track and plan goods and containers.
- Built a generic AI chatbot for Migros app infrastructure, including ChatGPT integration and creating AI workflows with N8N.
- Developed AI assistants to automate repetitive tasks, such as creating release notes or processing Jira tasks based on N8N workflows.
- Further development and maintenance of the M-LFS, M-Vehicleaccess and M-Worklog apps.
- Used C#, Angular 18, DevOps practices, N8N, Kubernetes, Docker, Jira, Confluence and Azure.
- Ongoing project with continuous development of platforms and workflows.
Georgios S.
Last position:
Senior Software Engineer at UBS Bank
- Implementations of a code refactoring framework able to refactor thousands of repositories leveraging Generative AI
- Use Python (Django, Flask, FastAPI), Java and Typescript in Azure Cloud (Data Lake, VMs, AI) and GitLab infrastructure
- Mentoring and pair programming
- Obtained Azure AI-900 and AI-102 certifications
Jürgen A.
Last position:
Requirements Engineer / System Engineer at CCC Systems Engineering Suisse GmbH
- Supported design, setup, maintenance and enhancement of IBM Rational DOORS (9.6 and DNG) and IBM Rational Publishing Engine
- Conceived IT solutions and implemented them, including acceptance tests, considering customer-specific requirements
- Ensured functionality of tools and systems in scope
- Identified needs and advised departments and projects, designed single solutions when necessary
- Monitored and maintained central requirements engineering systems (servers, software, subcomponents)
- Advised on tool selection, features and application use cases for engineering applications
- Handled support requests from employees, customers and development teams autonomously
- Created system documentation and user guides
- Participated in cross-departmental IT projects and led subprojects
Stefan L.
Last position:
Senior Manager, Project Manager, Auditor and Consultant at Laager Consulting GmbH
Many years of experience in application development, ICT infrastructures, systems management, hardware and software, telecommunications, ICT strategies, business models, database management, data center consolidations, support and call center setup
Since 1999 independent consultant and project manager: ICT strategies and governance, processes, audits, security, infrastructure (including cloud, DevOps and tools), data and output management, organizational restructurings, business project management and consulting in various industries
Generalist with analytical skills, strong communicator at all hierarchy levels, deployable as manager, coach, project manager or consultant
Andreas H.
Last position:
Test Automation Architect at Banking Bank (name withheld)
- Set up a shift-left DevOps E2E system testing architecture
- Set up "DevOps Shift-left" E2E tests for 240+ applications
- Under NDA
Dariusz K.
Last position:
Business System Analyst at Zurich Insurance
Participating in a strategic enterprise project to introduce a centralized customer data platform ("Single Source of Truth") to eliminate redundant data storage and accelerate digital services
Analyzing and documenting business and system requirements for migrating large, heterogeneous data sets (ETL) and for continuous data synchronization between core systems and the new platform
Close collaboration with business units, data engineers and architects to gather and validate requirements, and to ensure data quality, consistency and regulatory compliance
Defining the migration strategy, specifying ETL processes and synchronization mechanisms, and documenting technical interfaces
Developing and executing test cases for migration and synchronization processes, and performing defect analysis to ensure data integrity and system stability
Technologies: SQL, Microsoft SQL Server, Azure DevOps, Confluence, UML, RESTful Services, Swagger, Postman
Discover over 15,000 top freelancers
Statistics of experts using C
Aggregated from the professional profiles of matched freelancers.
Experience
27 years
Position duration
3.2 years
Positions per freelancer
15
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Manufacturing
Certification focus areas
Information Technology, Product Development, Quality Assurance
Bachelor's degree or higher
85%
Master's degree or higher
63%
Doctorate
15%
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Switzerland 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.
Average rates of experts in Switzerland 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 29 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 (90%)
- Banking and Finance (61%)
- Manufacturing (58%)
- Government and Administration (52%)
- Professional Services (45%)
- Insurance (42%)
- Telecommunication (42%)
- Education (39%)
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 control of memory, data structures and execution flow. It is used for operating systems, embedded firmware, device drivers, networking components and performance-sensitive libraries. Its small runtime footprint makes it suitable where speed, predictability and hardware access matter.
Systems and use cases
C supports software that runs close to the hardware or must remain dependable under strict resource limits.
- Microcontroller firmware for sensors, controllers and connected devices
- Linux and Unix system components, utilities and services
- Real-time applications with predictable execution requirements
- Networking stacks, storage layers and high-performance libraries
- Legacy modernization without disrupting stable production systems
Ecosystem and tooling
Professionals work with GCC, Clang and platform-specific toolchains, along with Make, CMake and cross-compilation workflows. GDB, Valgrind, sanitizers and static analysis tools help trace memory errors, undefined behavior and concurrency defects. Common environments include Linux, Unix, bare-metal targets and RTOS ecosystems.
When companies need specialists
Companies bring in freelance C specialists when a codebase needs careful maintenance, a hardware product is entering validation, or a team must resolve faults that ordinary application tooling cannot expose. In Switzerland, C expertise can support embedded products, industrial equipment, transport systems and research hardware, with remote work often combined with on-site lab or device access.
- Diagnose crashes, leaks, race conditions and performance bottlenecks
- Port code across processors, operating systems or toolchains
- Add tests, static checks and release documentation
Skills that matter
Strong professionals understand pointers, memory ownership, binary interfaces, interrupts and concurrency. They can read datasheets, reason about timing and work with protocols such as UART, SPI, I2C, TCP/IP and CAN. Experience with Git, CI pipelines, code review and automated testing helps keep low-level changes traceable and safe.
Choosing the right expert
Reviewers should ask for evidence of shipped C systems comparable to the target environment, not only general programming experience. A capable specialist explains trade-offs clearly, reproduces defects before changing code and uses tests and analysis tools to verify the fix. For Switzerland-based collaboration, clarify language needs, hardware access, security constraints and the balance between remote work and lab presence.
Frequently asked questions
What clients ask us most about C — answered in short.
C is used for operating systems, embedded firmware, device drivers, databases, networking software and high-performance libraries. It is a strong fit when direct hardware access, small binaries or predictable runtime behavior matters.
C offers a small language core and direct control with limited built-in abstraction. C++ adds object-oriented and generic features, while Rust provides stronger compile-time memory safety; the right choice depends on existing systems, toolchains, safety needs and team skills.
A strong C specialist often works with Linux, RTOS environments, Git, CMake, Make, GDB and static analysis. Embedded work may also require microcontrollers, board bring-up, electronics interfaces, networking protocols and CI testing.
The required background depends on the system’s risk, hardware and debugging depth. A specialist maintaining a small utility may need a different profile from one handling real-time firmware, safety reviews or a large legacy codebase.
C projects can often be handled remotely when repositories, build systems and test hardware are accessible. On-site collaboration may still be useful for lab equipment, board testing, secure facilities or production-line integration, so access arrangements should be agreed early.
For C work, share the target processor or operating system, toolchain, build instructions, repository status and known defects. Hardware documentation, test procedures and interface specifications help a specialist assess the work and begin without avoidable delays.
Look for clear ownership rules, useful tests, reproducible bug reports and disciplined handling of undefined behavior. A quality C specialist can explain pointer use, error paths, resource cleanup and concurrency decisions, then support the reasoning with reviewable evidence.
C systems often combine undocumented assumptions, platform-specific behavior and interfaces that other products rely on. Good modernization preserves observable behavior while introducing tests, safer build checks, clearer modules and measured changes rather than rewriting everything at once.
The average hourly rate of freelancers in Switzerland who have used C in their recent projects is 127 €, which corresponds to a daily rate of about 1,015 € based on an 8-hour working day.
Of the freelancers in Switzerland who have used C in their recent projects, 85% hold at least a Bachelor's degree, 63% hold at least a Master's degree, and 15% hold a doctorate.
On average, freelancers in Switzerland who have used C in their recent projects have 27 years of professional experience, with a single engagement typically lasting around 3.2 years.
The most common languages among freelancers in Switzerland who have used C in their recent projects are German (100%), English (100%), and French (39%).
The most common industries among freelancers in Switzerland who have used C in their recent projects are Information Technology (90%), Banking and Finance (61%), and Manufacturing (58%).
The most common business areas among freelancers in Switzerland who have used C in their recent projects are Information Technology (97%), Product Development (87%), and Project Management (77%).
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.
Zurich Request a free demo
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Philipp Thomaschewski
FRATCH CEO
