GAMS Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used GAMS
Martin Mittermeyer
Last position:
Requirements Engineer at MCM Modern Engineering UG HB
- Analysis of the current process
- Development of the target processes
- Support for the implementation of improvements in an SAP-enabled program
- Simplification of customer contact initiation
- Streamlining internal processes through automated real-time verification of claim relevance
- Creation of use cases
Ralf Boob
Last position:
Series Launch Team Leader (SE-TL) High-Voltage Battery Wiring Harness & Module Connectors at BMW
- Responsible for project leadership in the high-voltage battery area as well as schedule management and release planning in coordination with project managers
- Technical management of suppliers regarding component specifications, requirements specifications, functional safety, changes, hardware and software validation, and approvals
- Planning, controlling, and preparation of work packages
Betim Troni
Last position:
Project Effort Modeling Specialist at ACOTOR GmbH
- Responsible for modeling budget planning using machine learning and/or AI methods
- Rolled out a new planning tool for all major divisions in the ES department
- Led budget optimization programs in the ES area
- Prepared final budget cut decisions at HAL/BL level
Daniel Hess
Last position:
Functional Safety Manager / Requirements Engineer – Embedded Battery Management System (BMS) at Tier-1 Automotive
- Technical control, planning, and coordination of safety-related development activities for an embedded battery management system (ASIL-B to ASIL-D) across all project and series phases
- Coordination of interdisciplinary work packages between hardware, software, and system development as well as external suppliers for module and series management
- Management of development, evaluation, and maturity level assurance of safety mechanisms (diagnosis, monitoring, degradation) for series release
- Active risk, problem, and escalation management when facing target conflicts between safety, cost, schedules, and series readiness
- Stable, release-ready series safety architecture with no major findings
- Significantly increased planning and decision-making security in module and release committees
- Sustainable improvement of coordination and control processes between system, HW, and SW teams
Shekar Varadarajan
Last position:
Resident Engineer – G67 Thermal System at BMW AG / MIND Business and Technology GmbH
- Data management for BMW G67 climate system
- 3D data release according to BMW milestones
- Coordination of G67 HVAC and PTC DFMEA, PFMEA
- Coordination between China and BMW Munich on a complex high-voltage PTC 800-volt topic
Werner Krischler
Last position:
Development engineer, design, project management, project lead, resident engineering at Various major suppliers and engineering service providers of BMW AG
Discover over 15,000 top freelancers
Statistics of experts using GAMS
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
2.2 years
Positions per freelancer
14
Top business areas
Product Development, Project Management, Operations
Top industries
Automotive, Professional Services, Manufacturing
Certification focus areas
Logistics, Operations, Finance
Bachelor's degree or higher
100%
Master's degree or higher
20%
Certifications per freelancer
2
Most common languages
German, English, French
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 GAMS
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
GAMS in practice
GAMS, the General Algebraic Modeling System, is used to express optimization problems in a clear, structured way. Companies use it for planning, scheduling, resource allocation, and decision support when many constraints must be balanced.
Typical use cases
- Linear, nonlinear, and mixed-integer optimization models
- Energy system, logistics, and production planning
- Scenario analysis and what-if studies
- Solver runs for repeatable business decisions
Ecosystem and tools
Strong GAMS work is rarely only about the modeling language. It often includes solver selection, data preparation, result analysis, and links to Excel, databases, scripts, or APIs. Clear model structure and careful testing matter as much as mathematical logic.
Why companies bring in experts
Freelance specialists are often needed when a model is too complex for internal staff, needs a redesign, or must be delivered under time pressure. They also help when a team wants to improve performance, reduce run times, or connect an existing model to new data sources.
What strong professionals deliver
A good expert translates business rules into a robust model and keeps it maintainable. They document assumptions, validate results, and explain trade-offs in plain language. That is especially useful for teams in Germany that need short-term support for industrial planning, utilities, or research work.
Signs you need help
- Existing models are hard to change or debug
- Solver results are unstable or slow
- New constraints keep breaking the logic
- Teams need clean handover and model documentation
Frequently asked questions
Questions about GAMS? Start with the answers below.
GAMS is used to build optimization models for planning and decision support. It fits problems where you must choose the best option under many rules, such as production, logistics, energy, or portfolio planning. It is especially useful when the model must stay readable and easy to maintain.
GAMS is not a solver itself; it is a modeling system. It lets specialists describe the problem clearly and then pass it to solvers such as CPLEX, Gurobi, or CONOPT, depending on the math. That separation is one reason many teams use it for complex decision models.
A company should bring in a GAMS specialist when a model is new, unstable, hard to extend, or slow to run. Freelance help also makes sense when internal teams know the business rules but need support turning them into a reliable model. This is common in planning-heavy work with many constraints.
GAMS is usually stronger when the main task is formal optimization model building rather than general software development. Python libraries can be great for custom workflows, but GAMS often gives clearer model structure, easier solver switching, and a better fit for algebraic formulations. Many projects use both together.
A strong GAMS professional usually understands optimization theory, linear algebra, and solver behavior. Useful adjacent skills include data handling, scripting, Excel integration, and the ability to explain constraints to non-technical stakeholders. Domain knowledge in energy, supply chain, or manufacturing is a big plus.
The right GAMS experience depends on the model complexity, not just the calendar time spent on the tool. Small fixes may need only a specialist who knows the syntax and solver setup, while new planning models need deeper knowledge of formulation, validation, and performance tuning. For critical business models, proven delivery matters most.
Most GAMS work can be done remotely because model design, debugging, and documentation are digital tasks. On-site time in Germany can help when the model depends on sensitive data, workshop-style requirements gathering, or close contact with operations teams. Many engagements combine both.
Look for a GAMS specialist who can explain the model structure, show how assumptions were validated, and describe solver choices in plain language. Good signs are clean documentation, test cases, stable results, and a clear handover plan. If the person only writes syntax but cannot defend the formulation, quality is likely weak.
The average hourly rate of freelancers in Germany who have used GAMS in their recent projects is 112 €, which corresponds to a daily rate of about 899 € based on an 8-hour working day.
Of the freelancers in Germany who have used GAMS in their recent projects, 100% hold at least a Bachelor's degree and 20% hold at least a Master's degree.
On average, freelancers in Germany who have used GAMS in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Germany who have used GAMS in their recent projects are German (100%), English (100%), and French (17%).
The most common industries among freelancers in Germany who have used GAMS in their recent projects are Automotive (100%), Professional Services (83%), and Manufacturing (67%).
The most common business areas among freelancers in Germany who have used GAMS in their recent projects are Product Development (100%), Project Management (100%), and Operations (83%).
Main locations of FRATCH Experts, who have recently used GAMS
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
