
Wastewater Treatment Experts in Germany
from over 15,000 CVs with precise AI matchingHire experts who design treatment processes, improve biological systems and deliver compliant plant upgrades. FRATCH matches you quickly with vetted, available freelancers whose experience fits your wastewater project and operating environment.
Meet FRATCH Experts in Germany, who have recently used Wastewater Treatment
Andreas W.
Last position:
Self-employed Software Developer at amw-software.net
Tobias K.
Last position:
Owner / Self-employed at LocalConnect
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- Faster recruitment of qualified staff
- Building your own guest database for follow-up offers
- Fully automated WhatsApp marketing system
- Meta ads for predictable guest acquisition
- WhatsApp newsletter for long-term guest retention
- Recruiting campaigns for new staff
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- You focus on your guests – we'll take care of the rest
Over D.
Last position:
Senior Quality Manager at Denys GmbH
- Responsible for quality assurance (QA/QC), as-built documentation and audit planning
- Coordinating inspection of open trench and trenchless construction work (HDD, microtunneling)
- Quality control of HDPE pipe welding, conducting quality tests, pigging, pipe calibration and leak testing (pipe diameters 50–500 mm)
- Ensuring compliance with highest safety, environmental and quality standards
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.
Hans-Werner M.
Last position:
Project Management Green Steel at Saar Stahl
- Conversion of furnace heating from coke gas to natural gas and subsequent changeover to a natural gas/hydrogen blend
- Utility supply and piping work (compressed air, cooling water, gas supply, electrical installation)
- Procurement and negotiations with suppliers
- Reporting to management
- Creation of layouts and project plans in MS Project
- Budget planning and monitoring
- Creation of various requirement and specification documents
- Topics: steel production, blast furnace, rolling mill, gas burner, hydrogen
Michael K.
Last position:
Atruvia AG
- Further development of framework components and services in the Enterprise Banking Control Platform (EGP Framework), a set of cross-cutting libraries and services for all bounded context scopes of the platform.
- Migration from Java 17 to Java 21 and from Spring Boot 3.2 to 3.4 in about 80 library and service repositories (updating Maven POMs, Dockerfiles, Jenkins pipelines, source code migration, test updates).
- Writing unit and integration tests with JUnit and JGiven.
- Performing and analyzing performance measurements with Dynatrace.
- Enhancing multi-stage CI/CD pipelines (unit tests, security analyses, Docker builds, Harbor deployments, ...).
- Tech stack used: Java (90%), Python (10%), Spring Boot, JPA/Hibernate, JGiven, OpenAPI, Camunda 7, Podman, OpenShift/Kubernetes, Oracle DB, SonarQube, Dynatrace, Jenkins, Harbor, Bitbucket, Jira, Confluence.
Kimia A.
Last position:
Researcher, Bachelor’s Thesis at Kharazmi University
Finalizing a comprehensive review article under the supervision of Dr. L. Karami titled "Challenges and Limitations of Computational Methods in Protein-Ligand Interaction Prediction."
Critically analyzing the evolution from classical docking and MD simulations to AI-driven models.
Focusing on scoring function inaccuracies, protein dynamics, and the necessity of interpretability through Explainable AI (XAI).
Mwafak K.
Last position:
Project Manager at Public Work Authority/AECOM
- Successfully managed project engineering roles for several large-scale governmental infrastructure projects valued at over USD 400 million, including design, construction, and handover phases for the FIFA World Cup Qatar 2022.
- Oversaw project management, execution, and coordination, including project planning, design review, material approval, progress monitoring, procurement oversight, and cash flow management.
- Ensured fulfillment of contractual obligations through smooth project implementation within schedule, thoroughly reviewing Contractor’s procedures, practices, material submittals, and method statements.
- Reviewed engineering deliverables and initiated corrective actions throughout the project lifecycle.
- Recruited and managed consultant and contractor teams, regularly monitoring their performance.
- Evaluated tenders, prepared evaluation reports to finalize supervisory consultants, and developed professional service agreements.
- Arranged regular progress and design coordination meetings.
- Reviewed Contractor’s variations, financial claims, and extensions of time.
- Coordinated with other government entities and stakeholders.
Keith S.
Last position:
Project Engineer at Sweco GmbH
- Quality control inspections – most notably for an expansive two-kilometre wastewater treatment system including over 20 inspection shafts.
- Budget oversight of multi-million-euro construction projects.
- Concurrent planning of small-scale construction measures and drafting technical reports.
- Reoriented the documentation and record-keeping process of critical documents at a team-wide level.
Günter G.
Last position:
Infrastructure Manager at MCPV Nederland BV
- Creating technical specifications for tenders
- Many years of experience in technology, compressed air supply, ultrapure water production, wastewater treatment, process gas supply, process, product and exhaust gas treatment, heat/cold recovery, cooling water supply
- Developing the facility supply matrix
- Developing water balance and energy flow diagrams
- Coordinating between R&D and production teams
Ron V.
Last position:
Fleet Manager & Fleet Director at BSM Deutschland & VBSK
- Managing a fleet of Bulker, Container Vessels, Chemical, Oil Crude and Product tankers, an Asphalt tanker, a LNG Bunker vessel and Offshore Windpark vessels
- Managing 3 fleet teams: a Dry Fleet (Container-, Bulker vessels), a Wet Fleet (oil/chemical/crude and gas tanker vessels) and an Offshore fleet (sov’s)
- In contact with the owners, class, oil mayors, flag state, unions, insurance companies & vessel crew
- Responsible for performance of the fleet
- Incident investigation where required
Alexander H.
Last position:
Freelancer & Owner at Hilex GmbH & Co. KG
- Responsible for planning, realization and support of complex industrial automation and building projects
- Experience with building systems and technical equipment from various manufacturers and industries
- Building automation: heating, ventilation and air conditioning, lighting and shading, security (alarm, access, video), energy management and smart home systems, building control and bus systems (e.g. KNX)
- Process and industrial plants: pipeline systems, sewage treatment plants, cross-transfer and lifting systems, pellet systems, friction heating systems, ventilation systems, dough mixing plant
- Robotics: handling robots from Fanuc, ABB, KUKA
- Special systems: painting application systems, feeding and destacking systems
- Automotive projects: implementation of three battery production lines for BMW in Germany and one production line in Hungary
Ayushi J.
Last position:
Research Associate / Project Engineer at GSU Gesellschaft für Sicherheits- und Umwelttechniken mbH
- Sample preparation according to VDI 3866 and VDI 3492
- Performing analyses according to VDI 3492
- Quality assurance and compliance with safety standards
- Documentation and reporting
Ossama D.
Last position:
FE Simulation and Design at Self-employed
- Design and development of charging inlets for megawatt charging systems
- Development of strategies for applying AI in mechanical engineering
- Concept development of inductive charging systems for autonomous vehicles in industrial environments
- Creating concepts for electronically controlled safety brakes for elevators
- Development of power generators with and without iron cores (output below 1 kV)
- Development of solutions for marking plastic and stainless steel components
- Development of various brackets in compliance with EHEDG guidelines
- Requirement management using JAMA
- Simulation of the strength behavior of wastewater treatment plants
- FE optimization simulation of equipment behavior under vibration loads using ANSYS
- Maintenance of bills of materials and databases
- Development of various opto-mechanical systems
- Distance measurement and safety light curtains
- Rapid prototyping methods like 3D printing, SLS, liquid silicone, STL
- Development of modules and connection techniques for integrating power supply and data management units onto PCBs
- Development of shielding elements for industrial equipment
- Implementation of design solutions for connecting PCBs with plugs or cables
- Development of busbars to meet ESD requirements
- Development of fasteners made of V4A steels with clinching, crimping, and/or riveting options for hygienic requirements
- Development of 2K injection molded parts and compressed elastomers
- Development of cable glands made of V4A stainless steel for hygienic requirements
- Development of devices with optical and electronic modules
- Conducting qualification tests (temperature cycling, leak tightness, climate tests, etc.)
- Conducting process and design FMEA
- Development according to agile processes
- Material-appropriate design for chemical resistance (cleaning and disinfecting agents)
- Optimization of injection molded parts for ultrasonic and laser welding
- Investigation of the influence of marking methods (laser marking, electrolytic marking) on part resistance to chemicals
- Corrosion assessment and investigation of stainless steel parts
- Design of parts for machining from welded semifinished products (V4A stainless steels)
- Development of parts made of metallic materials for wireless power transfer devices (CAD: Creo Parametric)
- Creating drawings and models for clients
- FE analysis of the behavior of elastomer seals including installation (CAE: ANSYS)
- Design and development of glass-to-V4A stainless steel connections according to EHEDG guidelines
- Implementation of design solutions for joining similar and dissimilar materials (adhesive bonding, welding, snap hooks) using CAD: Creo Direct Modeling and SolidWorks
- Equipment design for the pharmaceutical and food industries using FDA-approved materials and according to EHEDG guidelines (CAD: Creo Direct Modeling, SolidWorks)
- FE analysis of the effect of temperature on plastic assemblies (CAE: ANSYS)
- Further development of a tool for FE calculation of additive manufacturing (laser sintering process) (CAE: CalculiX)
- Consulting and services in the field of CAD & CAE engineering
- Further development of FE systems for analyzing component strength and topology optimization
- Further development and implementation of an indicator lamp from electrical, optical and mechanical components for integration into a safety module (CAD: Creo Direct Modeling)
- FE simulation to investigate assembly tightness and optimize seals (CAE: ANSYS)
Saran R.
Last position:
Product Manager at Seven.One Entertainment GmBH
- B2B media streaming platform part of ProSiebenSat.1 Media with millions of users
- Built and shipped a multi-tenant video streaming B2B platform and onboarded 7 TV channels to the platform
- End-to-end ownership for multiple TV channel onboardings into the platform
- Owned the display ad feature which is expected to increase ad revenue by 10%
- Owned the integration of a promo-teaser feature focusing on improving user engagement and retention
- Performed multiple root-cause analyses and increased average video view time by 12%
- Introduced a third-party user survey tool implemented as a high-priority feature to increase NPS
- Introduced a bit rate metric to monitor video quality
- Performed all expected product roles ranging from organizing and brainstorming to conducting product ceremonies
- Conducted high-level roadmap planning and prioritization of features
Discover over 15,000 top freelancers
Statistics of experts using Wastewater Treatment
Aggregated from the professional profiles of matched freelancers.
Experience
26 years

Position duration
4.2 years

Positions per freelancer
10

Top business areas
Project Management, Operations, Quality Assurance

Top industries
Utilities, Manufacturing, Automotive

Certification focus areas
Product Development, Sustainability Management, Information Technology
Bachelor's degree or higher
100%
Master's degree or higher
59%
Doctorate
29%

Certifications per freelancer
2

Most common languages
German, English, Spanish

Speak two or more languages
89%
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 Wastewater Treatment
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.
Wastewater Treatment experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Utilities (67%)
- Manufacturing (61%)
- Automotive (50%)
- Energy (44%)
- Chemical (39%)
- Construction (39%)
- Education (39%)
- Food and Beverage (22%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What it covers
Wastewater Treatment removes contaminants from municipal, industrial and commercial water streams before discharge, reuse or further processing. It combines physical separation, biological conversion and chemical treatment to control solids, nutrients, pathogens and difficult compounds. Specialists turn treatment goals into reliable plant processes.
Treatment processes
Projects may involve screening, grit removal, primary clarification, activated sludge, membrane bioreactors, anaerobic digestion, filtration, disinfection and sludge dewatering. The right process depends on influent quality, discharge requirements, space, energy use and opportunities for water recovery. Specialists connect laboratory findings with practical plant design.
Ecosystem and tools
Professionals work across process engineering, instrumentation, automation and environmental compliance. Their toolkit can include SCADA and PLC systems, online sensors, laboratory analysis, hydraulic models, process simulations and asset management software. Experience with pumps, blowers, dosing systems and membrane equipment is often essential.
Where expertise helps
- Plan a new municipal or industrial treatment line
- Stabilise biological nutrient removal and aeration control
- Upgrade sludge handling, digestion or dewatering
- Integrate sensors, SCADA, PLCs and remote monitoring
- Prepare commissioning, validation and operating procedures
When to hire a specialist
Companies bring in freelance expertise during feasibility studies, capacity expansions, technology selection, commissioning and performance recovery. A specialist can investigate rising energy demand, unstable biology, poor settling, odour issues or permit risks. In Germany, collaboration may combine remote analysis with on-site work at factories, utilities and treatment plants; German-language documentation can also matter.
What strong professionals deliver
Strong specialists read process data critically and understand how equipment, biology and operations affect one another. They define measurable acceptance criteria, document assumptions and communicate clearly with operators, suppliers and authorities. Look for evidence of safe commissioning, root-cause analysis and maintainable solutions rather than a design that works only on paper.
Frequently asked questions
Everything clients usually want to know about Wastewater Treatment, in one place.
Wastewater Treatment is used to remove solids, organic matter, nutrients, pathogens and selected industrial contaminants from used water. The treated water may be discharged, reused or sent to another process, while residual sludge is stabilised, dewatered or recovered.
Wastewater Treatment is the process foundation for both safe discharge and water reuse. Discharge-focused plants may prioritise permit limits, while reuse projects usually add advanced filtration, membranes or disinfection and require tighter control of water quality.
A strong Wastewater Treatment specialist often combines process engineering with hydraulics, laboratory interpretation, automation and instrumentation. Useful adjacent skills include SCADA and PLC integration, energy optimisation, sludge management, commissioning and environmental documentation.
The right Wastewater Treatment experience depends on the assignment, not a fixed career length. A process review may need strong analytical and operational knowledge, while a new plant or major upgrade calls for experience with design interfaces, procurement, commissioning and regulatory requirements.
Wastewater Treatment supports remote work for data review, process modelling, specifications, reporting and control logic. Site surveys, sampling, commissioning and operator training still require on-site access, especially when a plant in Germany has complex equipment or safety procedures.
Freelance Wastewater Treatment expertise is useful when a company needs an independent assessment, short-term project capacity or a specialist process capability. Common triggers include unstable biological performance, an expansion, a new industrial effluent stream or a plant start-up.
Ask a Wastewater Treatment specialist to explain the link between influent data, process choices, operating risks and acceptance tests. Strong professionals show clear calculations, practical commissioning plans and traceable decisions, and they can explain technical trade-offs to both operators and management.
Working with Wastewater Treatment projects requires attention to safety, sampling quality, plant access and operational constraints. Freelancers should clarify data ownership, site responsibilities, documentation language and whether their work covers advice, design, commissioning or ongoing optimisation.
The average hourly rate of freelancers in Germany who have used Wastewater Treatment in their recent projects is 106 €, which corresponds to a daily rate of about 850 € based on an 8-hour working day.
Of the freelancers in Germany who have used Wastewater Treatment in their recent projects, 100% hold at least a Bachelor's degree, 59% hold at least a Master's degree, and 29% hold a doctorate.
On average, freelancers in Germany who have used Wastewater Treatment in their recent projects have 26 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 Wastewater Treatment in their recent projects are German (94%), English (89%), and Spanish (17%).
The most common industries among freelancers in Germany who have used Wastewater Treatment in their recent projects are Utilities (67%), Manufacturing (61%), and Automotive (50%).
The most common business areas among freelancers in Germany who have used Wastewater Treatment in their recent projects are Project Management (89%), Operations (83%), and Quality Assurance (78%).
Main locations of FRATCH Experts, who have recently used Wastewater Treatment
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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