Battery Management System Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Battery Management System
Muhammad Tanveer Baig
Last position:
Embedded Systems Consultant / Architect | Integration and Validation Engineer / Manager at Ingenieurbüro Baig
Led the hardware development and validation of a safety-critical 400 V battery management system (BMS) for the TOGG SUV program; performed system architecture reviews, schematic validations, EMC and reliability tests, and root cause analyses in line with relevant automotive standards (ECE-R10, CISPR25, ISO-26262). Coordinated cross-border EU engineering teams, customer reviews, and technical documentation to deliver a production-ready, validated system.
Architected and integrated 22 state-of-the-art ADAS validation vehicles for BMW ADCAM and LIDAR programs at Magna Electronics; synchronized up to 26 heterogeneous sensors (LIDAR, RADAR, cameras, GNSS/INS) using PTP-based timing architectures. Defined the system architecture, HW/SW interfaces for hardware-in-the-loop (HIL) reprocessing, sensor integration strategies, and data acquisition frameworks. This enabled scalable vehicle-level validation, improved validation efficiency by 25%, and reduced project costs by €1.45 million.
End-to-end validation and integration of automotive radar platforms for a Daimler project at Continental. Developed automated open-loop hardware-in-the-loop (HIL) environments to accurately test target tracking KPIs, field of view limits, and thermal and voltage-related ECU state machines. Used a highly complex toolchain consisting of CANoe, Lauterbach Trace32, RADAR target simulators, and EMC shielding chambers for RF and system validation. Synchronized global, interdisciplinary teams to speed up troubleshooting and close critical technical gaps.
Reconstructed and validated the product architecture of an electromechanical e-bike by integrating and troubleshooting critical subsystems (BMS, motor control, sensors, HMI, electronic locking systems). Built a comprehensive system-level test bench for functional testing, fault reproduction, and performance analysis; coordinated suppliers and implemented corrective actions to improve reliability and traceability.
Defined the system architecture and validation strategy for a LIDAR platform developed in cooperation with Elmos Semiconductor; evaluated optical measurement concepts, SPAD detector integration, and system requirements, and created technical recommendations for product development and verification.
Developed LabVIEW-based automation and verification software for a high-precision hydraulic and electromechanical test system for FTE Automotive; integrated NI DAQ hardware for high-frequency real-time capture of physical measurement data. Developed automated test sequences, programmable endurance tests, troubleshooting routines, data logging, and analysis tools to improve test efficiency and traceability.
Successfully managed complete engineering life cycles for well-known industrial customers (Magna, Continental, Farasis, FTE Automotive, BMW, Daimler, TOGG) – from requirements engineering and proof of concept through system integration and validation to technical documentation, supplier coordination, and user training.
Kapil Bhayani
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.
Olfa Azzabi
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
Thorsten Boock
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
Peter Jehle
Last position:
Interim Teamlead at Somnomedics
- Interim Teamlead to setup a project with STM32 and NORA Bluetooth module.
- Customer is planning new hardware to replace existing hardware with Bluetooth communication instead cable connection.
- Project was already started but the requirements were not defined.
- System based on STM32 and Nora B106 CPU.
- Analyzing the existing available code base.
- Checking for possible solutions to get the project working.
- Defining the requirements.
- Applying some rules to improve the team communication.
- Working with the NRF tools to get the custom board based on NORA B106 (NRF5340) working.
- Implementation of a simple device communication by Bluetooth.
- Preparation of documentation.
- Leading communication meetings.
- Conducted discussions with customer.
- Tools used: JIRA, OneNote, Git, Confluence, Nordic NRF, Nora B106.
Kristin Schroeder
Last position:
Consulting and optimization of request specifications, environmental certifications and site testing at SonnPower GmbH
Prepared specifications and processes to optimize request specs for energy containers. Created a guide for environmental certification and for pressure testing of fuel lines on construction sites.
Jürgen Kaiser
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.
Muharrem Saglam
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.
Eddy Kaldjob
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.
Namita Ojha
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
Oliver Michels
Last position:
Interim Project Manager Automation / PRINCE2 Practitioner at Secure-Partner
- Automotive SPICE (ASPICE)
- Cybersecurity
- automation project management
- operational project execution
- requirements alignment with customers and stakeholders
- planning requirements for modernization
- time and resource planning
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
Michael Schulze
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
Josef Abou El-Naga
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
Ilhan Catak
Last position:
Senior Battery Systems Expert at Freelancer
400V 50A LFP (LiFePO4) 20 kWh home PV solar hybrid ESS energy storage system with inverter, MPPT, charger and battery pack
ESS systems testing and battery systems consultancy for Senec GmbH – Leipzig, Germany
48V 100A and 60V 120A Li-Ion battery pack design and BMS integration project with direct liquid immersion cooling technology for industrial mobile machinery battery pack at HyperX GmbH – Kornwestheim, Germany
Discover over 15,000 top freelancers
Statistics of experts using Battery Management System
Aggregated from the professional profiles of matched freelancers.
Experience
21 years
Position duration
2.2 years
Positions per freelancer
11
Top business areas
Product Development, Quality Assurance, Information Technology
Top industries
Automotive, Manufacturing, Information Technology
Certification focus areas
Quality Assurance, Product Development, Information Technology
Bachelor's degree or higher
95%
Master's degree or higher
74%
Doctorate
11%
Certifications per freelancer
3
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 Battery Management System
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
BMS essentials
A Battery Management System, often called BMS, monitors and protects battery packs in EVs, storage units, tools, and industrial systems. It keeps cells within safe voltage, current, and temperature limits and helps the pack deliver stable performance. Strong specialists understand both electronics and the software that runs the control logic.
Core work
- Cell voltage, current, and temperature monitoring
- Balancing logic for cells and modules
- State of charge and state of health estimation
- Fault handling, shutdown rules, and diagnostics
- Communication over CAN, LIN, or Ethernet
Tools and stack
BMS work often touches embedded C, model-based design, calibration tools, test rigs, and data logs from hardware-in-the-loop setups. Professionals may also work with battery models, safety requirements, and ECU integration. They need a clean handoff between firmware, hardware, and validation.
When to bring help
Companies bring in freelance specialists when a pack behaves unpredictably, a new chemistry needs support, or a prototype must move toward production. In Germany, this is common in automotive, energy storage, e-mobility, and industrial equipment teams that need extra capacity or specific battery expertise. Remote work fits software and analysis; on-site time helps with lab tests and hardware checks.
What strong specialists do
Strong professionals look at the full battery system, not just the code. They can trace a fault from sensor data to control decisions, document safety behavior, and work with hardware, firmware, and test teams. Clear communication matters when BMS, battery pack, and vehicle or inverter teams must align.
Common project scope
A BMS assignment may cover new feature design, controller tuning, failure analysis, or release support for production systems. Some experts join for a short review of a battery pack architecture, while others stay through testing and validation. The best results come from specialists who have worked on real packs, not only simulations.
Frequently asked questions
Questions about Battery Management System? Start with the answers below.
A Battery Management System monitors the battery pack and keeps it within safe operating limits. It tracks voltage, current, temperature, balancing, and fault conditions so the pack can run reliably. In practice, it is the control layer that protects cells and supports usable energy delivery.
Hire a BMS specialist when a battery pack needs design support, fault analysis, control tuning, or validation before release. It also helps when the chemistry changes, the pack architecture is new, or safety issues need a clear technical review. Early support usually avoids expensive rework later.
A Battery Management System does more than read sensor values. Simple monitoring only reports data, while BMS also makes control decisions such as balancing cells, limiting charge and discharge, and reacting to faults. That difference matters in EVs, storage systems, and other high-value battery applications.
A strong Battery Management System expert usually knows embedded software, electronics, test engineering, and battery chemistry basics. CAN communication, data analysis, model-based development, and safety-oriented thinking are also important. Many projects benefit from someone who can move between firmware, hardware, and validation work.
A BMS project needs more than general embedded knowledge when safety, estimation accuracy, or pack integration is at stake. For simple diagnostics or logging, a focused specialist may be enough. For balancing strategy, fault handling, or production release work, choose someone who has shipped battery systems before.
A Battery Management System project can often start remotely for logic review, data analysis, and documentation. On-site time in Germany is useful when a specialist must work with test benches, battery hardware, or lab measurements. Many teams use a mix of both, especially during integration and validation.
Look for clear examples of battery pack work, not just generic embedded projects. A good BMS freelancer can explain estimation methods, balancing choices, fault strategies, and how they validated the system. Strong documentation and careful communication are as important as technical depth.
People often use Battery Management System together with terms like battery control unit or battery management unit, but they do not always mean exactly the same thing. In practice, the BMS is the full system that supervises and protects the pack, while some teams use those other names for a part of it. A good specialist should clarify the architecture before starting work.
The average hourly rate of freelancers in Germany who have used Battery Management System in their recent projects is 103 €, which corresponds to a daily rate of about 826 € 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, 74% 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 21 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 Battery Management System in their recent projects are German (95%), English (91%), and French (27%).
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 (45%).
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 (73%).
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 Request a free demo
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FRATCH CEO
