Senior BMS Technical Lead – Freelance

🕒 December 11, 2025

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requisimus

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 1997

🤝 B2B

🏢 Enterprise

B2B • Enterprise

requisimus is an IT services and consulting company specializing in embedded software, Business IT, Industrial IT and data quality solutions. For over 25 years it has worked as a technology partner for B2B customers—especially in automotive, equipment manufacturing and medical sectors—providing custom software development, system integration, cloud migration, process automation, data governance and long-term operational support.

📋 Description

• Provide technical direction to development teams (Germany, Sweden, India) • Review architecture, BMS functions, and implementation details • Support code reviews (embedded C, Simulink, Autosar-based SWCs) • Identify design flaws, memory issues, and performance bottlenecks • Challenge technical decisions and ensure best engineering practices • Assess battery behavior and system reactions under various conditions • Ensure technical readiness before customer delivery • Contribute to release planning, requirement interpretation, risk analysis • Support stability improvements of current BMS product • Prepare the team for upcoming customer reviews and validations • Align development activities across teams • Work closely with requirement managers and architects • Communicate effectively with customers during escalation or clarification • Coach junior engineers and offshore team members

🎯 Requirements

• 5–10+ years in BMS development, HV battery systems, or battery software • Deep understanding of battery system behavior under various operating conditions • Ability to read and review embedded C / Autosar code • Experience identifying memory issues, stability gaps, and design flaws • Strong diagnostic and root-cause analysis skills • Experience working with CANoe, INCA, dSPACE, or similar environments • Experience collaborating with offshore development teams • Strong communication and stakeholder-facing skills • English (fluent) – Must • German or Swedish – Advantage

🏖️ Benefits

• Flexible (Jan–Apr) start date • 12 months+ contract duration