CODESYS Experts in Germany
matched in minutes with vetted, available freelancersHire experts who program industrial control systems, configure PLC applications and connect machines through the CODESYS ecosystem. Get precise AI matching with vetted, available freelancers for your automation project.
Meet FRATCH Experts in Germany, who have recently used CODESYS
Volker F.
Last position:
Technical Lead | Software Architect | Embedded Software Engineer at Hydac
- Development of safety-related embedded software for a mobile machine on a Hydac TTC 2390 controller.
- Implementation in C with consideration of SIL 3 / ASIL D and MISRA-C:2025.
- Implementation of communication via CAN, CANopen, and J1939.
Standards, guidelines and norms: ISO 26262, IEC 61508, MISRA-C:2025
Technologies: C99, Hydac TTC 2390, Infineon TriCore Aurix TC397, Hightec C/C++ Compiler, PC-lint Plus, CAN, CANopen, J1939, MISRA-C:2025
Emil O.
Last position:
Automation Engineer In House at Prevas AB
Working as an Automation Engineer in Prevas' in-house engineering team. My primary assignment involves developing and expanding ABB 800xA SCADA systems for a large-scale data center project. Responsibilities include SCADA graphic design, alarm management, system integration using OPC UA and Modbus, testing, verification, documentation, and commissioning support. In addition, I contribute to PLC and HMI development projects using Siemens, Rockwell, and ABB platforms and provide 24/7 remote support for industrial customers.
- ABB 800xA & ControlBuilder/ AC800M
- Rockwell Studio 5000 Logix Designer
- Siemens TIA Portal
- ABB 800xA
- Remote Support
- Troubleshooting hardware/software
Ljubomir O.
Last position:
Senior Software Test Engineer at Keil KTM GmbH
Temporary employment
- System black-box integration tests (BBIT, IVVQ): Execution of regression, release, acceptance, and compliance tests for safety-critical brake control units in the rail industry
- Software test application & integration: Runtime configuration of software components and libraries, validation of interfaces, configuration dependencies, and component interactions
- Test automation (FEAT framework): Co-development and further development of an automated test framework for test execution, reporting, and result analysis
- Functional safety (SiL4, FuSi): Ensuring compliance with safety requirements, traceability and coverage, as well as standards compliance according to EN50126/28/29
- Test automation for communication components: Configuration and validation of fieldbus (CAN) and Ethernet-based TCMS data communication interfaces (TRDP and CIP)
- Requirements analysis & shift-left (PTC Windchill ALM): Analysis of software and system artifacts to identify gaps, ambiguities, and redundancies early in the SDLC
- Test design & test case development: Derivation of test conditions, coverage strategies, and implementation of data-driven test cases (DDT), including reusable test data fixtures
- CI/CD & automation (Python, PowerShell, Jenkins, SVN): Automation of build, test, and HIL deployment processes as well as integration into CI/CD pipelines
- Test data & configuration management (XML): Maintenance and adaptation of XML test vectors and system configurations with automated integration into test environments
- Non-functional testing: Execution of performance and load tests to assess stability and system behavior
- Agile development & defect management (JIRA, Confluence): Participation in Scrum teams, test coordination, review of test artifacts, as well as defect tracking and root-cause analysis
- Error analysis & debugging (CANoe, CANalyzer): Analysis of errors and message flows across multiple system layers (application to bus)
- Model-based analysis (UML, Enterprise Architect): Specification of SUT/SOW and support for systematic test control
- Process & test documentation: Creation of integration and test documentation according to internal quality and certification requirements
Jens-Uwe P.
Last position:
Architecture and Programming for Automotive Test Bench Platform at Automotive Supplier
In this project, I was responsible for the design and implementation of a new, modular, and highly scalable test bench platform for an automotive supplier. My focus was on developing a robust system architecture and programming the associated software, with consistent use of UML modeling throughout. This structured approach made it possible to greatly increase the reusability of individual LabVIEW test modules and to significantly reduce development time for follow-up projects. I also integrated modern automotive standards such as CAN FD, LIN, and safety requirements, which made the solution future-proof.
Technologies: LabVIEW, Visio, UML, CAN FD, LIN, DMM, Safety, image processing, project management, HMI, C#, C++, Python, Rust, CI
Youness R.
Last position:
Communication modernization and recipe management between S7-300, S7-1500 and WinCC V7 at Siemens AG
- Consulting and development of suitable communication concepts between S7-300 and S7-1500, taking the existing PROFIBUS infrastructure into account
- Technical support for connecting the S7-300 controllers to the existing recipe data block of the S7-1500
- Assisting in the development of the communication sequence for recipe access (read, write, acknowledge, status handling)
- Configuration of S7 communication (PUT/GET)
- Creation and adaptation of WinCC V7 scripts (C scripts and VBS scripts) for WinCC-based recipe management
- Development, optimization, and integration of recipe processes into the existing WinCC project structure
- Commissioning of the new communication interfaces and recommissioning of the recipe logic on existing systems
- Creation of technical documents: communication sequences, functional descriptions, commissioning documentation
Olfa A.
Last position:
Senior Embedded Software Engineer / Function Developer at Enginius GmbH (FAUN GROUP)
- Developed model-based software for hydrogen tank control units using MATLAB/Simulink, aligned with ISO 26262 functional safety requirements
- Performed system integration and software verification across MIL and HIL environments using dSPACE and Vector tools
- Defined software architecture (SADS) with interface specifications for CAN, analog, and digital communication protocols
- Generated production-ready embedded C code using Simulink Embedded Coder; created and maintained A2L calibration files with CANape
- Designed and executed MIL/HIL test cases ensuring full coverage of functional and safety requirements
- Implemented CODESYS PLC applications on IFM ecomatController; applied CAN and Modbus TCP/IP communication protocols
- Contributed to HMI/UI development using Qt/C++ on Linux (Qt Creator)
- Applied agile Kanban workflow with Git-based version control (Bitbucket)
Tools: MATLAB, Simulink, CANape, CANalyzer, PCAN-View, Embedded Coder, CODESYS, TTC2038/PXROS, Codebeamer, Jira, Git
Daniel S.
Last position:
Senior Software Engineer at energielenker solutions GmbH
- Designed and implemented a Python-based ETL pipeline with the Dagster framework to transform raw energy data from heterogeneous sources using InfluxDB and visualizations in Grafana
- Defined time-based and dependency-based jobs
- Deployed to managed Kubernetes clusters using Helm
- Integrated InfluxDB Cloud
- Prepared data for use in Grafana, including cleaning, normalization, and time-based resampling in Python
- Developed dashboards and visualizations in Grafana
- Developed unit tests with mocking using pytest
- Set up a CI/CD pipeline in GitLab
Technologies: Python, Dagster, InfluxDB, Grafana, pandas, pytest, REST, CI/CD, GitLab, Container, Kubernetes, Helm, Docker, Cloud
Kusay T.
Last position:
Freelance System & Software Architect - DNA-Extraction Robot at QIAGEN GmbH
- System and software architecture for the QIA-symphony Connect DNA-extraction robot in Life Science / IVD automation.
- Designed features and control logic for extraction, pipetting, lysis and eluate modules using C++, PLC/ST (Beckhoff IPC / TwinCAT 3) and model-based concepts.
- Delivered ISO 13485-oriented requirements, architecture, unit/integration/regression tests and DHF/VEP/VER/TCL documentation.
- Used Polarion, Jira, Confluence, Azure and AI-assisted documentation to improve traceability and engineering efficiency.
Daniel P.
Last position:
Freelance specialist in industrial automation technology at dPSolutions
- Self-employed PLC and software specialist focusing on automation and special-purpose machinery
- Programming, modernization, expansion and optimization of production systems, focusing on increased efficiency, data transparency and system integration
- PLC programming and safety with Siemens S7 Classic/TIA Portal, Beckhoff TwinCAT 2/3 and CoDeSys
- Development of high-level language software and database applications (.NET / C#, C++, Visual Basic .NET, Borland/Embarcadero C++)
- Development of custom software solutions for industrial automation, including embedded systems (Raspberry Pi, Arduino, NodeMCU, ESP8266)
- Integration of external systems such as reading devices, printers, scales, scanners and cameras, as well as various bus systems (Ethernet, Profinet, Profibus, EtherCAT, CAN bus, RS232, TCP/IP)
- Creation of visualizations and HMI applications with Siemens WinCC flexible, Beckhoff HMI and .NET frontends
- Planning, development and integration of machine vision solutions (Keyence, Cognex, AVS Alfavision, camera systems) in PLC and PC environments
- Design and implementation of process data collection systems and traceability solutions (100% traceability) based on Microsoft SQL Server (Compact, Express, Server), including stored procedures and direct PLC-SQL communication
- Creation of software and PLC concepts, standard function blocks and project libraries for PLC and high-level language projects
- Planning and programming of conveyor, inspection, assembly, packaging and grinding systems in industries such as automotive, chemical, food, electronics, machinery and systems engineering
- Conducting workshops and training on Siemens TIA Portal, STEP7 Classic, Beckhoff TwinCAT (including TwinSAFE), as well as topics such as architectures, safety, database integration and documentation
- Creation of technical documentation, manuals, training materials and class documentation with Microsoft Office and Doxygen
- Project management tasks from requirements analysis through planning, concept development and supplier coordination to commissioning, production support and customer support
Matthias D.
Last position:
Project Building Automation WAGO at Ingenieurbüro Dräger
- Topic: Programming of heating controls
- Client: Hoffbauer Foundation
- Requirements: Analysis of existing systems, reprogramming, commissioning, documentation
- Focus: Development of automation solutions and control systems
- Technology: Codesys 3.5
Basel J.
Last position:
Senior Application Engineer / Product Manager at Altran Magnetics LLC
- Oversee development and optimization of key products, including DP contactors, EMI filters, and circuit breakers.
- Lead certification processes ensuring compliance with UL, TÜV, and VDE standards.
- Act as technical liaison between customers, sales teams, and manufacturing to deliver customized solutions.
Michael D.
Last position:
Sole Proprietor at Unternehmens- und Managementberatung Michael Dobmeier
- Advising and technical implementation of AI integration and workflow automation for small and mid-sized businesses
- Building a multi-tenant AI agent platform as a product base
- Combining strategic consulting, technical implementation, and team enablement
Project examples:
- Development and architecture of the SOLUMiDO Agent-UI platform for integrating digital colleagues into business processes (Next.js, TypeScript, PostgreSQL, Keycloak)
- Development of the ToolChange Assistant: a multilingual, voice-controlled AI agent for optimizing setup times and reducing errors
- Implementation of an AI email assistant for intelligent email classification and processing with Microsoft 365 integration
- AI video marketing integration (STORYNEXT) for mid-sized companies, including AI-assisted briefing and performance analysis
- Social media content automation with AI text creation, approval workflow, and automatic publishing
- Business process analysis and digital solutions implementation for facility management service providers
- Digital consulting and web presence development for associations in rural areas
Wolfgang S.
Last position:
Software Developer / Aviation Commissioning Engineer at Vakuum Schmelze Hanau
- Development of automation software and commissioning of a pneumatic press for processing electrical sheet stator cores, including KUKA robot handling, process monitoring, and connected measurement systems for quality inspection and sorting.
Martin S.
Last position:
MS Fabric Certification
MS Fabric certification with creation of pipelines and notebooks in Fabric using data from Azure, Azure Repos, Azure Boards, and GitHub. Data ingestion via OneLake Explorer, direct IP connection, and API (REST) are the main topics
Alexander B.
Last position:
Owner at PEMA-TEC Alexander Bröcker
- Project to develop the complete software for a film roll warehouse at American Packaging Corporation, Story City, Iowa (warehouse vehicles SINATIC S7, warehouse management C#, Microsoft SQL Server, AGV interface C++, ERP system interface REST API)
- Development of a warehouse simulator for real machine processes aimed at optimized storage of film rolls (C#)
- Project to develop the complete software for a printing cylinder warehouse at Huhtamaki, Ronsberg (warehouse vehicles TIA Portal, warehouse management C#, Oracle, ERP system interface DB table)
- Further development of the warehouse simulator for improved programming of the movement planner
- Project to read and analyze QR codes on letters in the letter sorter at XPROMA GmbH, Salzhausen (program as a service for fast reading of QR codes via two Keyence barcode readers in C#, Microsoft SQL Server, TCP/IP; program for monitoring and parameterizing the barcode readers and triggering the data export in C#, Microsoft SQL Server, SFTP transfer)
- Project for the development and programming of a low-cost management system for automated guided vehicles with Egemin Automation Inc. and American Packaging Corporation (C++, C#, Microsoft SQL Server, TCP/IP)
- Project for the test stand development and automation of SYS.5 tests for the climate actuator at ETO GRUPPE TECHNOLOGIES GmbH, Stockach (test stand software LabVIEW, C#; test evaluation DIAdem, C#; databases Microsoft SQL Server)
Discover over 15,000 top freelancers
Statistics of experts using CODESYS
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
2.7 years
Positions per freelancer
13
Top business areas
Product Development, Information Technology, Quality Assurance
Top industries
Manufacturing, Information Technology, Automotive
Certification focus areas
Information Technology, Quality Assurance, Product Development
Bachelor's degree or higher
88%
Master's degree or higher
58%
Doctorate
17%
Certifications per freelancer
3
Most common languages
German, English, Arabic
Speak two or more languages
92%
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 Germany 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 Germany using CODESYS
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.
CODESYS experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Manufacturing (88%)
- Information Technology (58%)
- Automotive (54%)
- Energy (35%)
- Utilities (35%)
- Healthcare (31%)
- Construction (27%)
- Education (23%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What CODESYS is
CODESYS is an IEC 61131-3 automation software platform for programming and configuring industrial control systems. It supports PLCs, motion applications, visualization, safety functions and communication between machines. The environment is used across machine building, process equipment, energy systems and industrial production.
Core applications
CODESYS professionals create control logic and operator interfaces for equipment that must run reliably in real time. Common project work includes:
- PLC and industrial controller programming
- Motion control for automated machinery
- HMI and web visualization interfaces
- Robot, drive and I/O integration
- Commissioning and production support
Ecosystem and tools
The CODESYS Development System provides editors for Structured Text, Ladder Diagram, Function Block Diagram, Sequential Function Chart and Instruction List. Its ecosystem includes CODESYS Control runtimes, Visualization, Safety, Motion, SoftMotion and fieldbus components. Specialists also work with OPC UA, EtherCAT, CANopen, PROFINET, Modbus TCP and vendor-specific device packages.
When expertise matters
Companies bring in freelance CODESYS expertise when a new machine needs a control architecture, an existing application requires modernization or commissioning is blocking delivery. In Germany, specialists often support machine manufacturers, factory automation teams and industrial suppliers across remote engineering and on-site start-up work. German or English communication may be important when coordinating with plant and service teams.
Project deliverables
A strong professional can turn functional requirements into maintainable automation software and tested machine behavior. Typical deliverables include controller programs, reusable function blocks, alarm concepts, HMI screens, device configurations, simulation setups, test records and commissioning documentation. They can also review legacy projects and plan migrations between controller platforms.
What distinguishes specialists
Quality depends on more than knowing the programming editors. Experienced CODESYS specialists understand state machines, deterministic execution, data types, task configuration, fault handling and safe machine behavior. They document interfaces, separate reusable logic from machine-specific code and test with realistic signals before connecting equipment. Familiarity with electrical schematics, drives, sensors, industrial networks and version control makes collaboration more effective.
Frequently asked questions
Everything clients usually want to know about CODESYS, in one place.
CODESYS is used to program and configure PLCs, industrial controllers and automation systems. Companies use it for machine control, motion, visualization, safety-related applications and communication with drives, sensors, robots and other equipment.
CODESYS is a hardware-independent development environment that can run on controllers from many vendors. Siemens TIA Portal is closely tied to Siemens automation hardware, while CODESYS can offer more portability when a project must support different controller manufacturers.
A strong CODESYS freelancer often combines IEC 61131-3 programming with industrial networking, electrical documentation, HMI design and drive configuration. Experience with OPC UA, EtherCAT, CANopen, PROFINET, source control and commissioning is useful for complete machine projects.
The required depth depends on the machine, safety demands, motion complexity and commissioning scope. A small control change may need focused platform knowledge, while a new production machine calls for a CODESYS specialist who can define architecture, test behavior and support the system on site.
CODESYS projects can often be developed, reviewed and tested remotely through secure access to engineering environments or simulation systems. On-site work is still valuable for wiring checks, hardware debugging, machine commissioning and acceptance tests, so the engagement should define when travel is required.
CODESYS supports dedicated options for safety and motion control, but suitability depends on the selected runtime, hardware and project requirements. The specialist should verify supported safety functions, drive interfaces, cycle behavior and the required validation process before implementation.
Ask for examples of machine control applications, commissioning responsibilities and test methods rather than only reviewing tool familiarity. Good CODESYS work has clear task structures, reusable function blocks, meaningful diagnostics, controlled changes and documentation that another professional can maintain.
Many CODESYS specialists have worked with vendor environments such as Siemens TIA Portal, Beckhoff TwinCAT, Schneider Electric EcoStruxure Machine Expert or Rockwell Studio 5000. The relevant comparison is not the tool list alone, but whether the specialist understands the target controller, fieldbuses, machine sequence and commissioning constraints.
The average hourly rate of freelancers in Germany who have used CODESYS in their recent projects is 93 €, which corresponds to a daily rate of about 746 € based on an 8-hour working day.
Of the freelancers in Germany who have used CODESYS in their recent projects, 88% hold at least a Bachelor's degree, 58% hold at least a Master's degree, and 17% hold a doctorate.
On average, freelancers in Germany who have used CODESYS in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 2.7 years.
The most common languages among freelancers in Germany who have used CODESYS in their recent projects are German (100%), English (88%), and Arabic (19%).
The most common industries among freelancers in Germany who have used CODESYS in their recent projects are Manufacturing (88%), Information Technology (58%), and Automotive (54%).
The most common business areas among freelancers in Germany who have used CODESYS in their recent projects are Product Development (100%), Information Technology (88%), and Quality Assurance (81%).
Main locations of FRATCH Experts, who have recently used CODESYS
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 Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
