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Battery Management System Experts in Germany

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Hire experts who design battery monitoring, balancing and protection functions for electric vehicles, energy storage systems and industrial equipment. FRATCH connects you with vetted, available freelancers through fast, precise AI matching.

Meet FRATCH Experts in Germany, who have recently used Battery Management System

Verified expert

Kristin S.

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Project Manager / PMO Tolling Solution

Mühlingen
Kristin S.

Last position:

Consulting and optimization in the area of request specifications, environmental certificates and construction site tests at SonnPower GmbH

Preparation of specifications and processes to optimize request specifications for energy containers. Preparation of guidelines for environmental certification and pressure testing of fuel lines on construction sites.

Verified expert

Olfa A.

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Embedded Software Engineer | Model-Based Software Design | HIL/SIL/MIL Validation

Hanover
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

Verified expert

Kapil B.

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Senior Embedded Systems Engineer

Poing
Kapil B.

Last position:

Senior Embedded Systems Engineer at BMW group

Testing and verification of high-voltage systems

  • Performed integration and system tests for control units in PHEV/EV vehicles using ECU-TEST (TraceTronic), Vector CANoe, CANalyzer, ETAS INCA, Tornado, E-Sys, and EDIABAS.
  • Analyzed the interaction of high-voltage control units (including CCU, BMU, inverter, IPB, and IPF) and carried out software updates and flash processes to verify new software versions.
  • Worked closely with software, system, and integration teams in an agile development environment to analyze issues and verify new software versions.
Verified expert

Oliver M.

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Project Manager / Quality Manager

Werne
Oliver M.

Last position:

Project Supply Quality Manager (PSQM) at TKMS

  • Quality management
  • Preparation of templates and review minutes
  • Preparation of FAT documents
  • Support during hardware tests and FAT
  • Verification of test results
Verified expert

Thorsten B.

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Senior Software Engineer

Hamburg
Thorsten B.

Last position:

Senior Software Engineer at Codegy

  • Developing Kotlin/Spring Boot microservices deployed on Kubernetes and AWS Lambda
  • Implementing monitoring solutions
  • Backend development for Traigo platform (booking/analysis for freight wagons)
  • Determining wagon stays in geofences
  • Routing of position data
  • Forwarding position data and geofence events to clients using ITSS
  • Developing and deploying services in both Kubernetes and AWS Lambda environments
  • Tech stack: Kotlin, Spring Boot, Kubernetes, AWS Lambda, PostgreSQL, DynamoDB, Protocol Buffers
Verified expert

Gerald S.

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Founder

Munich
Gerald S.

Last position:

FMEA Moderator / Facilitator at Schneider Engineering

  • Facilitation and training of Design-FMEA/DFMEA and Process-FMEA/PFMEA with APIS IQ-FMEA license or Plato e1ns Software including Boundary Diagram
  • Facilitated projects mainly in English for Tier1 or OEM:
  • Development of AI FMEA software (artificial intelligence) from 2026-05-01
  • Process-FMEA seamless stainless steel tubes from 2026-02-01
  • Process-FMEA high performance E-drive (Rotor + Stator) (BMW) from 2024-05-01 to 2025-03-31
  • System-/Design-FMEA Industry 4.0 digitalisation product from 2022-09-01 to 2023-02-28
  • Design- & Process-FMEAs locking and camera systems from 2022-09-01 to 2023-09-30
  • Process-FMEAs aviation/aerospace components from 2022-09-01 to 2025-05-31
  • Process-FMEA roof systems/sun roofs from 2022-01-01 to 2024-01-31
  • System-/Design-FMEA steer by wire from 2022-01-01 to 2023-06-30
  • Design-FMEA actuators from 2021-03-01 to 2021-08-31
  • Design-FMEA drive by wire system from 2020-03-01 to 2021-12-31
  • Design- and Process-FMEA dashboard/IP assembly from 2020-02-01 to 2022-10-31
  • Design-FMEA high voltage connector for battery management system from 2020-03-01 to 2020-04-30
  • Design-FMEA interior door panels from 2020-02-01 to 2025-04-30
  • Design-FMEA domestic appliance from 2019-08-01 to 2020-02-29
  • Design-FMEA cobot transmission from 2019-02-01 to 2023-12-31
  • Design-FMEA E-drive from 2018-09-01 to 2019-01-31
  • Design-FMEA convertible roof system (AMG) from 2018-07-01 to 2019-03-31
  • Design-FMEA electrical wheel hub motor from 2017-04-01 to 2018-06-30
  • Design-FMEA motorbike frame (BMW) in 2017-06-01
  • External member in FMEA circle of experts of a Tier 1 from 2016-01-01 to 2019-12-31
  • Design- and Process-FMEA E-axle gearbox from 2016-01-01 to 2018-06-30
  • Design-FMEA seating system (AMG) from 2014-11-01 to 2014-12-31
  • Design-FMEA electromechanical rolling stabilizer (BMW, Bentley, Porsche, VW) from 2014-09-01 to 2016-06-30
  • Requirements analysis Li-Ion battery system from 2014-08-01 to 2014-09-30
  • Further facilitation of FMEAs for car body, climatization, roof, light, fuel, gas, ignition systems, plastic moulding, heating systems, ship & stationary engines, turbochargers, reactive power controller, control units, high performance engines, mechatronical chassis actuators, e-mobility and e-drives in marine, motorbike, automotive, rail, aviation/aerospace & energy for customers such as Webasto, McLaren, Ferrari, MAN, Changan, Audi and others.
Verified expert

Sami D.

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Management/Strategy Consulting: Reorganization and Optimization of R&D Department with Focus on Software Development

Krumbach (Schwaben)
Sami D.

Last position:

Task Force Leader (Program Management)

Taskforce leadership for the development of a central ECU for autonomous driving levels 23 and 4

Verified expert

Jürgen K.

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Project Management and System Architecture

Mettenheim
Jürgen K.

Last position:

Project Management and System Architecture at 3E-motion Ventures GmbH

  • Managed and developed the system architecture for the INEOS Grenadier model year 2028/29, ensuring interaction of all E/E system components according to GB/T 32960.
  • Developed a product reference model for the entire E/E system of the vehicle.
  • Coordinated requirements for Battery Management Systems (BMS) between OEM and suppliers at SYS.1 and SYS.2 levels for VW and Porsche.
  • Created and aligned requirements for BMS fan control and OBD within Polarion.
  • Developed a secure system architecture for steer-by-wire systems, including ECU hardware, software, and communication.
  • Integrated various process design approaches from CARIAD, including SAFe (Scaled Agile Framework), FUSE/FAME, and RFLP, with ASPICE requirements.
  • Created a process model in ESCAPE mapping essential components of SAFe onto ASPICE.
  • Served as Lead Architect for electric drive development, focusing on parklock and cooling and lubrication functions for Mercedes AMG.
  • Analyzed requirements in Integrity and developed functional models in UML using Enterprise Architect.
  • Developed generic models for parklock and cooling functions, including sequence diagrams and a navigation model for the overall project.
Verified expert

Muharrem S.

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Technical Project Management (Porsche Project)

München
Muharrem S.

Last position:

General Manager at REPSEM/REPKON-Energetic (Mechanical Engineering)

REPSEM/REPKON-Energetic (Mechanical Engineering) – General Manager. Start-up company. Setting up the company and its structure. Creating processes, preparing document templates, planning workflows, hiring employees to meet company goals. Training employees and introducing them to the first company project. Project acquisition, meetings about projects with companies. Expanding company goals and strategy. Visiting companies for partnerships. Leading the first company project together with the PM.

Verified expert

Eddy K.

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Project Manager

Besigheim
Eddy K.

Last position:

Project Manager at Jungheinrich Norderstedt AG & Co. KG

  • Project management for embedded software development (batteries & chargers)

  • Management of (sub-)projects for the development of embedded software for lead-acid batteries and Li-ion battery management systems (BMS) and chargers in industrial trucks

  • Coordinating the specialist departments involved and external service providers from the start of the project to series maturity. Planning internal and external field tests.

  • Ensuring project goals in terms of quality, costs and deadlines

  • Planning and managing the use of resources

  • Clarifying project-specific issues in direct contact with internal customers

  • Regular reporting to the client

  • Requirement engineering and system design

  • Coordinating customer specifications with the client and comparing with the system platform

  • Creating and managing system requirements and high-level system design

  • Technical review of requirements with software developers, hardware designers, test and validation engineers, and service technicians.

Verified expert

Namita O.

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Manager - Application Support

Dresden
Namita O.

Last position:

Manager - Application Support at Siemens Limited

  • Analyze project specifications
  • Define the right technical solution to fit project requirements
  • Communicate with customers, external and internal stakeholders to define technical scope and resolve technical disputes
  • Prepare compliance statements to project specifications
  • Responsible for the parameterization, operation, testing (FAT) and troubleshooting of system for SCADA/DMS/OMS applications
  • Major project handled: ADMS system implementation for UGVCL & TPL, Gujarat, India
Verified expert

Daniel H.

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Functional Safety Manager / Requirements Engineer – Embedded Battery Management System (BMS)

Munich
Daniel H.

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
Verified expert

Josef A.

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System and Function Developer 12V Battery

Bad Bergzabern
Josef A.

Last position:

System and Function Developer 12V Battery at Mercedes-Benz AG

  • Responsible for the development and support of diagnostic and OBD functions
  • Working as a cyber security engineer in embedded systems
  • Coordinating and managing suppliers, as well as liaising with customers
  • Preparing certification documents and supporting OBD certification
  • Conducting tests for diagnostic and OBD functions, and flash processes
  • Tools: JIRA, Vector CANoe, Vector vFlash, Vector CANape, Matlab/Simulink, CANdelaStudio, DiagRA, 1699-5 Test, Softing DTS, DNG, IC5000 Debugger
Verified expert

Michael S.

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Senior Hardware Development

Schwerin
Michael S.

Last position:

Senior Hardware Development at Sabik Offshore GmbH

  • Use case analysis

  • Evaluation tests

  • Hardware and software specification

  • Component research

  • Cost price calculation

  • Project planning and control

  • System design

  • Circuit development and simulation

  • PCB layout

  • Reliability analysis

  • Engineering/EMC tests

  • Mixed-signal design (Multiprocessor)

  • DC/DC design

  • Manufacturable design

  • Lightning protection

  • Altium Designer

  • LTSpice

  • MS Office

  • MS Project

Discover over 15,000 top freelancers

Statistics of experts using Battery Management System

Aggregated from the professional profiles of matched freelancers.

Experience

22 years

Battery Management System experts in Germany have 22 years of professional experience on average.

Position duration

2.1 years

Battery Management System experts in Germany stay in a single position for 2.1 years on average.

Positions per freelancer

11

Battery Management System experts in Germany have completed 11 positions on average over the course of their careers.

Top business areas

Product Development, Quality Assurance, Information Technology

Battery Management System experts in Germany have gathered most of their hands-on project experience in Product Development, Quality Assurance, and Information Technology.

Top industries

Automotive, Manufacturing, Information Technology

Battery Management System experts in Germany are most in demand in Automotive, Manufacturing, and Information Technology.

Certification focus areas

Quality Assurance, Information Technology, Product Development

Battery Management System experts in Germany earn their certifications most often in Quality Assurance, Information Technology, and Product Development.

Bachelor's degree or higher

95%

95% of Battery Management System experts in Germany hold at least a Bachelor's degree.

Master's degree or higher

79%

79% of Battery Management System experts in Germany hold at least a Master's degree.

Doctorate

11%

11% of Battery Management System experts in Germany have a doctorate (PhD).

Certifications per freelancer

4

Battery Management System experts in Germany hold 4 professional certifications on average.

Most common languages

German, English, French

Battery Management System experts in Germany most often speak German, English, and French.

Speak two or more languages

100%

100% of Battery Management System experts in Germany speak two or more languages.

Based on our profile pool as of 29 Oct 2026.

Daily rate distribution

0% 25% 50% 75% 100%
16% of Battery Management System experts in Germany charge less than €640 per day.
16% of Battery Management System experts in Germany charge between €640 and €800 per day.
37% of Battery Management System experts in Germany charge between €800 and €960 per day.
21% of Battery Management System experts in Germany charge between €960 and €1120 per day.
5% of Battery Management System experts in Germany charge between €1120 and €1280 per day.
5% of Battery Management System experts in Germany charge €1440 or more per day.
<€640 €640-​800 €800-​960 €960-​1120 €1120-​1280 €1440+

The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.

Average rates of experts in Germany using Battery Management System

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Rate comparison chart
Daily rate avg. 842 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 800 €

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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Battery Management System experts industry focus

See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.

  • Automotive (95%)
  • Manufacturing (77%)
  • Information Technology (50%)
  • Energy (41%)
  • Education (23%)
  • Healthcare (23%)
  • Telecommunication (18%)
  • Utilities (18%)

Please note that freelancers can work across multiple industries, so percentages overlap.

About the technology

Core function

A Battery Management System, commonly called a BMS, monitors and controls rechargeable battery packs. It measures cell voltage, current and temperature, estimates state of charge and state of health, and protects cells from unsafe operating conditions. The system supports reliable performance, usable capacity and longer battery life.

Where it is used

BMS solutions appear wherever lithium-ion or other rechargeable cells must operate safely as a coordinated pack. Typical applications include:

  • Electric and hybrid vehicles, including traction batteries
  • Home, commercial and utility-scale energy storage
  • Battery packs for industrial machinery and mobile equipment
  • Charging systems, backup power and renewable-energy installations

Ecosystem and tooling

BMS work combines embedded software, electronics and battery science. Specialists work with microcontrollers, battery-monitoring integrated circuits, current sensors, contactors and thermal controls. They may integrate CAN, LIN, Ethernet or wireless communication with vehicle controllers, chargers, inverters and cloud services. Tools often include MATLAB/Simulink, model-based testing, calibration environments and hardware-in-the-loop benches.

When expertise matters

Companies bring in freelance BMS specialists when a new pack needs a control strategy, an existing system requires safer operation, or a product must move from prototype to production. External expertise can also help investigate field failures, tune state estimation and prepare evidence for internal validation or compliance work. In Germany, projects often connect automotive, industrial and energy-storage teams across sites, so clear remote collaboration and occasional on-site work may both matter.

Deliverables and skills

A capable professional can turn battery requirements into measurable system behavior and documented controls. Common deliverables include:

  • Cell monitoring, balancing and protection logic
  • State-of-charge and state-of-health estimation
  • Thermal management and fault-handling strategies
  • Embedded firmware, communication interfaces and diagnostics
  • Test plans, simulation models and validation reports

The work also demands knowledge of battery chemistry, electrical safety, functional safety concepts, control systems and software quality. Strong specialists understand how pack design, charging behavior and thermal limits affect every software decision.

Choosing a strong specialist

Look for evidence of shipped battery systems, not only general embedded experience. Ask how the professional handled sensor faults, cell imbalance, temperature extremes, balancing limits and degraded capacity. Good specialists explain assumptions, define fault reactions and connect test results to safety and performance goals. They communicate clearly with hardware, mechanical, validation and product teams, whether the collaboration is remote or on site in Germany.

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Frequently asked questions

Questions about Battery Management System? Start with the answers below.

A Battery Management System monitors cells and manages the safe operation of a rechargeable battery pack. It measures voltage, current and temperature, estimates state of charge and health, controls balancing, and responds to faults such as overvoltage, overheating or excessive current.

A BMS does more than report battery values. It actively protects the pack, coordinates charging and discharging, balances cells, records diagnostic data and communicates with systems such as an inverter, charger or vehicle controller. A simple monitor may only display voltage or remaining energy.

A strong Battery Management System specialist usually combines embedded software with battery chemistry, electronics, control systems and testing. Experience with CAN communication, MATLAB/Simulink, model-based development, thermal behavior and functional safety is valuable for many projects.

The right level depends on the deliverable. A professional tuning an existing SOC algorithm may need a different background from someone defining the architecture for a new vehicle battery. Review shipped products, responsibility for verification, and experience with the relevant cell chemistry and pack topology.

Much of the BMS work can be done remotely, including requirements, simulation, firmware, diagnostics and test analysis. Hardware bring-up, pack measurements and hardware-in-the-loop activities may require access to a lab or occasional on-site collaboration in Germany. Agree on equipment access, working language and site visits early.

Ask the Battery Management System professional to explain protection thresholds, fault handling, balancing decisions and estimation limits from a past project. Strong answers connect requirements to tests and show how unsafe states are detected, isolated and documented. Practical evidence is more useful than familiarity with a long tool list.

Often, but the scope must be agreed. A BMS professional may define charger communication, charging limits, thermal requests and derating behavior, while separate specialists own the charger, cooling hardware or vehicle controls. The interfaces between these areas are critical and should be documented.

Define the cell chemistry, pack topology, voltage and current limits, sensors, communication buses, operating temperatures and target applications before work begins. A Battery Management System assignment should also specify safety goals, available hardware, test access, expected diagnostics and ownership of validation evidence.

The average hourly rate of freelancers in Germany who have used Battery Management System in their recent projects is 105 €, which corresponds to a daily rate of about 842 € based on an 8-hour working day.

Of the freelancers in Germany who have used Battery Management System in their recent projects, 95% hold at least a Bachelor's degree, 79% hold at least a Master's degree, and 11% hold a doctorate.

On average, freelancers in Germany who have used Battery Management System in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2.1 years.

The most common languages among freelancers in Germany who have used Battery Management System in their recent projects are German (95%), English (91%), and French (32%).

The most common industries among freelancers in Germany who have used Battery Management System in their recent projects are Automotive (95%), Manufacturing (77%), and Information Technology (50%).

The most common business areas among freelancers in Germany who have used Battery Management System in their recent projects are Product Development (100%), Quality Assurance (86%), and Information Technology (77%).

Main locations of FRATCH Experts, who have recently used Battery Management System

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

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