> Markdown version of [/jobs/ext/105913-bms-function-developer](https://www.wearedevelopers.com/jobs/ext/105913-bms-function-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # BMS function developer - **Company:** KPIT Technologies GmbH - **Location:** München, Germany - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Algorithm Design, Systems Engineering, Business Software, Code Generation, Computer Programming, Programming Tools, Embedded C, Embedded Software, Fault Tolerance, Hardware-In-The-Loop Simulation, MATLAB, Software Architecture, ISO/IEC 15504, Stateflow, TargetLink, Real Time Systems, Embedded Coder, Data Analytics - **Published:** May 20, 2026 - **Apply:** https://de.indeed.com/viewjob?jk=41d6deced44d94a5 ## About the Role Do you have experience in MATLAB?, * You have at least 8 years of experience developing battery state estimation algorithms including: State of Charge (SOC), State of Health (SOH), State of Power (SOP), State of Energy (SOE), Cell balancing strategies and Thermal management and safety functions (e.g., thermal runaway prevention) * Solid understanding of lithium-ion battery behavior, electrochemistry basics, cell chemistries (e.g., NMC, LFP), aging mechanisms, and thermal characteristics. * Strong proficiency in model-based development tools: MATLAB / Simulink / Stateflow * Auto-code generation (Embedded Coder, TargetLink) * Good knowledge of embedded C programming for real-time systems. * Experience with functional safety standards (ISO 26262) and ASIL classification (commonly ASIL B-D for BMS functions). ## Description * Develop, implement, and maintain software functions and control algorithms for high-voltage Battery Management Systems (BMS), primarily using model-based design tools (e.g., MATLAB/Simulink/Stateflow) and/or embedded C code. * Design and refine key battery state estimation and control functions, including: + State of Charge (SOC), State of Health (SOH), State of Power (SOP) and/or State of Energy (SOE) + Active/passive cell balancing strategies + Thermal management and limiting functions + Safety-critical features (e.g., overvoltage/undervoltage protection, overcurrent, thermal runaway detection/prevention. * Model battery behavior using equivalent-circuit models, physics-based approaches, or data-driven methods to support algorithm development and simulation. * Specify functional requirements, create functional models, and simulate BMS algorithms to verify performance, accuracy, robustness, and real-time capability. * Ensure compliance with functional safety standards (primarily ISO 26262) by deriving safety requirements, implementing safety mechanisms, and supporting ASIL-classified development (often ASIL B-D for BMS core functions). * Generate production-ready embedded code (auto-generated or hand-written) and integrate functions into the overall BMS software architecture. * Perform model-in-the-loop (MiL), software-in-the-loop (SiL), processor-in-the-loop (PiL), and hardware-in-the-loop (HiL) testing and validation of developed functions. * Analyze test results, optimize algorithms for improved accuracy, reduced computational load, calibration robustness, and fault tolerance. * Support integration of BMS functions at pack and vehicle level, including coordination with hardware, basic software, diagnostics, and vehicle control teams. * Collaborate with cross-functional teams (battery cell development, system engineering, testing/validation, calibration, suppliers) to align on requirements, resolve issues, and enable series production. * Participate in root-cause analysis of field or test failures related to BMS functions and contribute to continuous improvement and feature enhancements. * Document software functions, models, algorithms, test cases, and safety analyses according to automotive development processes (e.g., ASPICE). ## Related Videos - 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