OpenFOAM Experts in Germany
in minutes from over 15,000 CVs with the power of AI.Hire experts who model CFD cases, set up solvers and meshes, and validate turbulence, heat transfer, and multiphase flows in OpenFOAM. Get matched fast with vetted, available freelancers for focused delivery.
Meet FRATCH Experts in Germany, who have recently used OpenFOAM
Heena Patel
Last position:
Retirement Spend & Tax Optimizer Agentic AI App (Vibe Coding) at Personal Project
Self-directed exploration of agentic AI development methods, taken from idea to a working, publicly usable application
- Built an interactive planning tool for modelling retirement withdrawals and tax strategy using an agentic AI (vibe coding) development approach – demonstrating self-directed investigation of new AI-assisted development methods
- Delivered live, tax-aware spending projections and adjustable user inputs; shipped as a free, install-free browser application built in Python, with attention to usability for non-technical users
Shiqing Fan
Last position:
Technical Director at EmotionPool GmbH
- Spearheaded the EU market entry strategy for L3/L4 autonomous logistics vehicles, driving the technological localization and deployment of the parent company’s smart robotics portfolio.
- Orchestrated technical alignment between top-tier autonomous driving suppliers across China and Europe, translating complex client requirements into precise engineering specifications compliant with EU standards.
- Cultivated strategic joint R&D initiatives with leading European universities, research institutes, and enterprises, accelerating the transition of cutting-edge robotic concepts into commercial products.
- Directed the end-to-end architecture of intelligent warehousing solutions, guiding cross-functional teams in optimizing hardware integration for autonomous vehicles & robots, and overall system performance.
- Led the R&D of high-fidelity simulation and AI algorithms using NVIDIA Isaac Sim & Lab, establishing robust "Sim-to-Real" pipelines to train and validate dynamic path planning optimization, intelligent obstacle avoidance, and complex navigation stacks prior to physical deployment.
- Maintained hands-on oversight of the core system architecture, focusing on bottom-level performance tuning, AI model inference acceleration with TensorRT/ONNX Runtime, and sensor integration.
Mehmet Fatih Sönmez
Last position:
Online Simulation Based Digital Twin Software Developer at BAM - Federal Institute for Materials Research and Testing
- Contributed to development of an online simulation-based digital twin of bridge infrastructure project.
- Created packages implementing computational and statistical modules for the digital twin.
- Modeled the structure using FEniCSX within a Python environment.
- Integrated real sensor data with the virtual model via APIs.
- Used inference models to predict the future state of the bridge.
David Thompson-Ajayi
Last position:
AI Trainer (NLP & LLM Evaluation) at Freelance
- Designed and evaluated high-quality prompts and completions for Large Language Models (LLMs), focusing on improving response accuracy, instruction-following behavior, and factual consistency.
- Annotated and rated LLM-generated outputs for grammar, coherence, relevance, and truthfulness.
- Developed RLHF-style preference data by ranking model completions to inform reinforcement learning fine-tuning cycles.
- Participated in prompt engineering experiments to assess the effect of instruction format, verbosity, and phrasing on model behavior.
- Conducted error analysis and quality assurance on large-scale NLP datasets, identifying edge cases and linguistic ambiguity affecting LLM performance.
Florian Wirth
Last position:
Managing Director and Independent Engineering Service Provider at Wirth Engineering GmbH
- Engineering and consulting in the areas of simulation, manufacturing technology, and mechanical and plant engineering.
Heena Patel
Last position:
Research Assistant for project Breakwaters System at Helmut-Schmidt University
- The numerical modeling of breakwaters with OpenFoam and deal.II.
- Breakwaters are constructed to study the effects of small-scale effect produced during regular and irregular sea state.
- Extend the breakwater 2D test case in olaFlow (a C++-based OpenFoam library based on the finite volume method) to 3D, varying factors such as wave conditions and porosity.
Emre Ates
Last position:
Development of a software solution for archiving and a GenAI-based Q&A tool
- Banking industry
- Configuration and setup of a Google Cloud project with the Vertex AI API, Vertex AI Matching Engine, and Google Cloud Storage
- Development of Python services for ingesting and analyzing data in various formats using the Q&A API
- Containerization of components and implementation of Kubernetes configurations
- Development of a .NET service and a React frontend for data-driven capture with dynamic process steps
- Refactoring and functional extension of existing code to meet new requirements in ingestion and reconciliation
- Technologies: .NET Core, Moq, C#, PostgreSQL, Entity Framework, Avro, Python, Flask, Flask unittest, Pip, LangChain, RabbitMQ, REST, Jupyter, Docker, GitHub, kubectl, Google Vertex AI, Google Vertex AI Matching Engine, BigQuery, Google Gemini, React, Bootstrap, Vite, Vitest, npm
Discover over 15,000 top freelancers
Statistics of experts using OpenFOAM
Aggregated from the professional profiles of matched freelancers.
Experience
12 years
Position duration
1.9 years
Positions per freelancer
8
Top business areas
Research and Development, Information Technology, Product Development
Top industries
Education, Information Technology, Automotive
Bachelor's degree or higher
100%
Master's degree or higher
100%
Doctorate
67%
Certifications per freelancer
1
Most common languages
German, English, Finnish
Speak two or more languages
100%
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 OpenFOAM
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 OpenFOAM is
OpenFOAM is an open-source CFD suite used to simulate fluid flow, heat transfer, combustion, and multiphase behavior. Teams use it when they need control over the solver chain, mesh setup, and post-processing rather than a fixed black-box tool. You may also hear it called FOAM in older discussions, but OpenFOAM is the name most searchers use.
Where it fits
- External aerodynamics and internal flow
- Thermal and multiphysics simulations
- Turbulence, free-surface, and porous-media studies
- Batch case runs and automated parameter sweeps
It is common in product design, energy systems, automotive work, and research-heavy engineering. In Germany, companies often use it for simulation tasks that need tight coupling with in-house code, HPC resources, or custom solver behavior.
Ecosystem and tooling
Strong specialists work across the full case structure: mesh generation, boundary conditions, solver choice, and result analysis. They also know how OpenFOAM connects with Linux, Python, ParaView, shell scripting, and cluster schedulers.
- Mesh tools such as snappyHexMesh and blockMesh
- Solver families for incompressible, compressible, and reacting flows
- ParaView for visual inspection and debugging
- Scripts for automation, regression checks, and case management
When companies bring in experts
Companies usually hire freelance OpenFOAM experts when a simulation stalls, results look unstable, or an in-house team needs a second pair of hands. The same applies when a legacy FOAM case must be cleaned up, documented, or moved to a new solver setup. Freelance support is also useful for short projects that do not justify a full-time specialist.
What strong professionals do
Good OpenFOAM professionals do more than run cases. They check mesh quality, review numerics, tune boundary conditions, and explain why a result is credible or not. They also write clear notes so engineers, product teams, and management can use the findings.
Quality signals
A strong expert can show solved cases, explain solver choices, and describe how they handled convergence problems or noisy results. Look for people who can discuss validation, assumptions, and failure modes in plain language. In Germany, it helps if they can work smoothly with English-speaking teams and, when needed, join on-site reviews with local engineering groups.
Frequently asked questions
The facts hiring teams ask for most often when it comes to OpenFOAM.
A strong OpenFOAM specialist helps with CFD setup, solver selection, mesh creation, and result review. They are often brought in for flow, thermal, combustion, or multiphase problems where standard tools are too rigid. They also help turn a research case into a repeatable engineering workflow.
OpenFOAM is usually chosen when teams want openness, scriptable workflows, and deep control over the simulation chain. Fluent is often preferred for a more guided commercial environment, while COMSOL is stronger when multiphysics coupling is central. The right choice depends on the case, the team, and how much customization is needed.
A capable OpenFOAM freelancer should also know Linux, shell scripting, basic numerical methods, and ParaView. Python is useful for automation, result checks, and data handling. For many projects, knowledge of meshing and turbulence modeling matters as much as the solver itself.
Not every OpenFOAM task needs a deep specialist, but anything involving unstable convergence, custom solvers, or validation usually does. Simple case setup can be handled faster, while complex engineering questions need someone who has already debugged similar problems. If the results will drive design decisions, choose proven expertise early.
Yes, most OpenFOAM work can be done remotely because the core workflow is digital and Linux-based. Remote collaboration works well for setup, debugging, documentation, and post-processing. On-site time is only needed when the project depends on lab data, hardware access, or close work with local engineering teams.
A good OpenFOAM expert can explain why a mesh, solver, and boundary setup were chosen, not just show final plots. Ask for examples of validation, convergence handling, and how they treated bad input data or unstable runs. Clear reasoning is usually a better sign than polished visuals alone.
OpenFOAM is used in both. Research teams like the flexibility, but industry teams use it for design support, troubleshooting, and custom simulation workflows. It is especially useful when a company needs to adapt the tool to its own process instead of fitting the process to the tool.
Before starting with OpenFOAM, collect the geometry, mesh files, boundary conditions, solver notes, and any previous results. It also helps to define the engineering question in plain terms: what must be proved, compared, or improved. The clearer the input, the faster a specialist can make progress.
The average hourly rate of freelancers in Germany who have used OpenFOAM in their recent projects is 98 €, which corresponds to a daily rate of about 785 € based on an 8-hour working day.
Of the freelancers in Germany who have used OpenFOAM in their recent projects, 100% hold at least a Bachelor's degree, 100% hold at least a Master's degree, and 67% hold a doctorate.
On average, freelancers in Germany who have used OpenFOAM in their recent projects have 12 years of professional experience, with a single engagement typically lasting around 1.9 years.
The most common languages among freelancers in Germany who have used OpenFOAM in their recent projects are German (100%), English (100%), and Finnish (29%).
The most common industries among freelancers in Germany who have used OpenFOAM in their recent projects are Education (57%), Information Technology (57%), and Automotive (43%).
The most common business areas among freelancers in Germany who have used OpenFOAM in their recent projects are Research and Development (100%), Information Technology (86%), and Product Development (71%).
Main locations of FRATCH Experts, who have recently used OpenFOAM
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
