Ladder Logic Experts in Germany
in minutes from 15,000 CVs with the power of AIHire experts who design PLC control sequences, troubleshoot interlocks and alarms, and maintain Ladder Diagram programs across Siemens, Allen-Bradley, and other industrial control systems. Match with vetted, available freelancers fast and precisely.
Meet FRATCH Experts in Germany, who have recently used Ladder Logic
Beate Peters
Last position:
Interim Head of Service at Altendorf Group
- Strategic and operational leadership of the technical service organization
- Improvement of all processes and workflows
- Development and introduction of a service management IT tool incl. AI database, customer app, and self-service portal
Thomas Stork
Last position:
Automation Technology Lecturer at HWK Munich and Upper Bavaria
- Training professionals in PLC technology, pneumatics, control engineering, and KUKA robots
- Creating scripts for Siemens systems: STEP 5, STEP 7, TIA Portal, WinCC
- Creating scripts for pneumatics, control engineering, and KUKA robot programming
- Serving on the examination committee for quality assurance in vocational training
- Training and certifying over 500 professionals
Matthias Dräger
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
Marian Lempert
Last position:
Founder at Smart Mode Engineering e.K.
Commissioning of all types of machine tools with Sinumerik 840d PL & SL controls with up to 56 axes including Safety Integrated
PLC programming with Step7 in AWL, FUP, KOP, GRAPH, SCL
PLC programming in TIA Portal in AWL, FUP, KOP, GRAPH, SCL
NC programming (automation cycles, measurement cycles, and machining cycles)
Visualization using HMI Pro, Easy Screen, Sinumerik Operate & WinCC
Software development in interface programming (communication with ABB/Fanuc/KUKA robots, measuring machines, washing machines, tool monitoring systems and transport systems)
Cycle time optimization and drive optimization
Successful business founding
Successful building of a customer base
Expanded knowledge of other machine tools (Chiron, Stama, Index, Magdeburg, Boehringer, EMAG, Schuster, DMG MORI, Schaudt, Mikrosa, Felsomat, Risomat)
Successful completion of each individual project
Prisca Ooko
Last position:
Research Assistant at Ruhr University Bochum, Faculty of Electrical Engineering and Information Technology
- Prediction of wind speeds for wind energy systems
- Development of algorithms to forecast future wind speeds based on historical weather data
- Application of statistical and machine learning methods to improve forecast accuracy
- Use of MATLAB and Python for data preprocessing, visualization, and model development
Leonardo Hocke
Last position:
Founder & Managing Director at Logic-Core GmbH
Logic-Core GmbH specializes in industrial automation technology and offers tailor-made solutions and comprehensive project management from the initial idea to execution.
Custom, client-focused freelance engineering services in the field of automation technology.
Development of custom PLC programs and modern visualization systems using TIA Portal, Step 7 and WinCC Flexible.
Design, creation and optimization of electrical schematics with WS-CAD Electrix, consistently taking into account and complying with current SIL and ATEX standards.
International commissioning, maintenance and troubleshooting of automation systems in the chemical, food, recycling, pharmaceutical and renewable energy industries.
Personal technical consulting, reliable customer support and extensive staff training.
Many years of cross-industry experience in commissioning complex technical systems.
Arnauld Siewe
Last position:
PLC Programmer/Maintenance Technician at Tiernahrung Deuerer GmbH
- Planning of automation systems
- PLC programming (Simatic S7, TIA Portal: AWL, SCL, FUP, KOP)
- Visualization of automation systems (WinCC, Sirvac, GUI)
- Commissioning of systems with various drives and sensors
- Creating and maintaining documentation and training materials
Bertrand Laurent
Last position:
Business System Analyst - Freelancer at Deutsche Bank
- Implementation of Dayforce payroll system at DB Portugal
- Preparation of test and production environment with vendor
- Gathering, verification and upload of masterdata
- Management of the testing phase to ensure quality of system
- Lead creation of interface between Workday & Dayforce in collaboration with IT Central team and vendor
- Creation of a new payroll KOP
- Ensure the archiving of data from legacy system
- Act as deputy project manager for topics related to set-up of payroll system and project management (planning, issue log, escalation, vendor management)
- Support the Global Payroll Governance team
- Contact person for SOC 1 audit performed by EY for topics related to HRIS & Payroll ADP & Dayforce payroll systems
- Review and enhancement of global payroll governance KPIs
- Compensation & Benefits consulting during contract negotiations with new vendors
- HRIS consultancy
- Central guidance of local HR team DB France and IT Central team to implement changes in Time & Attendance module in Workday
- HR Operations support transfer of training software from Cornerstone to Workday for DB France
- Labor law
- Business analytics & KPIs
Dursun Bilgilisoy
Last position:
Project Manager at Tesa
- Manufacturing machines (Tesa)
- Project manager for inventory of controls, documentation
- S5, Step7, TIA V16/17/18/19, WinCC Advanced, WinCC flexible, Office
Joachim Kirsten
Last position:
Programming and Commissioning of Test and Assembly Machines
- Programming in TIA Portal
- Visualization with WinCC
- F-CPU, Safety Integrated
- Various sensors and camera sensors
- Participated in defining the task and from design onwards
Ralph Kehmeier
Last position:
Self-Schooling
- PLC (Programmable Logic Controller)
- LD (Ladder Diagram / Ladder Logic)
- ST (Structured Text)
- CodeSys
Stephan Vogt
Last position:
Gaswerke Etzel
- Create bill of quantities
- Obtain quotes
- Evaluate quotes
- On-site inspections for projects
- Select instrumentation
- Documentation
- Cable lists
- Migrated folder system to a database system
Discover over 15,000 top freelancers
Statistics of experts using Ladder Logic
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
4.2 years
Positions per freelancer
13
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Manufacturing, Energy, Automotive
Certification focus areas
Information Technology, Operations, Production
Bachelor's degree or higher
90%
Master's degree or higher
60%
Certifications per freelancer
5
Most common languages
German, English, French
Speak two or more languages
92%
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 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 Ladder Logic
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
What it is
Ladder Logic is a graphical way to program industrial control systems. It uses symbols that resemble relay circuits, so electricians and automation specialists can read it quickly. It is common in PLC work for machines, lines, and plant equipment.
Typical work
- Start-stop and safety interlock logic
- Conveyor, pump, and motor sequencing
- Alarm handling and fault resets
- Handover and upgrade work for existing PLC code
It is often used where clear logic and fast troubleshooting matter more than abstract code structure.
Ecosystem
Ladder Logic usually lives inside PLC environments such as Siemens TIA Portal, Rockwell Studio 5000 / RSLogix, and Mitsubishi or Omron toolchains. Strong specialists also understand IEC 61131-3, function blocks, structured text, HMI signals, and field devices like sensors, drives, and valves.
When to bring in help
Companies bring in freelance expertise when they need a control change without stopping production, support during commissioning, or cleanup of legacy code no one wants to touch. In Germany, this often comes up in manufacturing, intralogistics, packaging, food processing, and machine building.
What good specialists do
A strong specialist reads existing ladder fast, finds side effects, and makes changes without breaking the sequence. They test edge cases, document the logic, and keep naming and structure clear so maintenance is easier later.
Quality signals
Look for people who can explain why a rung exists, how the machine behaves on fault, and how they validate changes on site or in simulation. Good work in Ladder Logic is calm, traceable, and easy to maintain. It should fit the plant, the PLC family, and the way your team works.
Frequently asked questions
Not sure where to start with Ladder Logic? These answers cover the essentials.
Ladder Logic is used to control industrial machines and processes with clear, rung-based logic. It is common for motors, conveyors, pumps, valves, alarms, and safety interlocks. Many teams choose it because it is easy to read during troubleshooting.
Ladder Logic is usually easier to follow for relay-style control and quick maintenance. Structured Text is better for math-heavy or data-heavy tasks, while Function Block Diagram helps when signal flow matters more than rung order. In many PLC projects, the best choice is a mix of all three.
Ladder Logic is often written in Siemens TIA Portal, Rockwell Studio 5000, and older RSLogix environments. You also see it in Mitsubishi, Omron, Schneider Electric, and other IEC 61131-3 toolchains. A good specialist knows both the software and the hardware around it.
A strong Ladder Logic specialist should also understand PLC I/O, sensors, drives, HMI signals, industrial networking, and basic electrical schematics. Familiarity with debugging on the plant floor is just as important as writing the logic itself. For larger systems, version control and structured documentation help a lot.
For Ladder Logic, the right level depends on the task. A small change, such as an alarm or sequence update, may need someone who knows the PLC family well and can work safely in an existing program. A full commissioning or migration usually needs deeper experience with testing, fault finding, and change control.
Ladder Logic can often be prepared remotely if the PLC program, documentation, and test environment are available. But commissioning, hardware checks, and live fault finding usually need on-site time. In Germany, many projects use a mix of remote preparation and planned plant visits.
A strong Ladder Logic freelancer writes code that is easy to read, test, and maintain. Ask for examples of troubleshooting approach, documentation habits, and how they handle edge cases and safe recovery after faults. The best specialists can explain the logic in plain language, not just show the program.
Ladder Logic is often called Ladder Diagram or LD, especially in IEC 61131-3 contexts. The terms are closely related and many searchers use them interchangeably. When hiring, it helps to ask which PLC family and software tool they have used, because the notation is only part of the job.
The average hourly rate of freelancers in Germany who have used Ladder Logic in their recent projects is 91 €, which corresponds to a daily rate of about 731 € based on an 8-hour working day.
Of the freelancers in Germany who have used Ladder Logic in their recent projects, 90% hold at least a Bachelor's degree and 60% hold at least a Master's degree.
On average, freelancers in Germany who have used Ladder Logic in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 4.2 years.
The most common languages among freelancers in Germany who have used Ladder Logic in their recent projects are German (92%), English (92%), and French (33%).
The most common industries among freelancers in Germany who have used Ladder Logic in their recent projects are Manufacturing (92%), Energy (50%), and Automotive (42%).
The most common business areas among freelancers in Germany who have used Ladder Logic in their recent projects are Information Technology (92%), Product Development (92%), and Quality Assurance (83%).
Main locations of FRATCH Experts, who have recently used Ladder Logic
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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