Senior Software Engineer (Battery State Estimation)

TL;DR

Senior Software Engineer (Battery State Estimation): Designing and implementing production-grade SOC, SOH, and SOP estimation algorithms for next-generation high-voltage battery platforms with an accent on embedded software implementation and system-level validation. Focus on developing robust observers and filters, ensuring MISRA compliance, and leveraging MIL/SIL/HIL environments for early defect discovery.

Location: Hybrid (Milford, Michigan); candidates are expected to report to the primary location at least three times per week.

Company

hirify.global is a global automotive leader transforming toward a Software-Defined Vehicle (SDV) architecture to scale electric mobility.

What you will do

• Design and productionize battery state estimation algorithms (SOC, SOH, SOP) using physics-based and hybrid data-driven techniques.
• Implement production-quality embedded software in C/C++ following MISRA compliance and GM safety standards.
• Develop observers and filters accurate across temperature extremes, power transients, and battery aging.
• Lead shift-left verification using MIL, SIL, and HIL test environments to ensure high validation coverage.
• Create automated regression and fault-injection test suites integrated into CI pipelines.
• Collaborate cross-functionally with Cell and Pack Engineering, Systems & Functional Safety, and SDV Platform teams.

Requirements

• Bachelor's degree in Electrical, Mechanical, Chemical, Computer Engineering, or Computer Science.
• 5+ years of experience delivering embedded software for high-voltage battery systems.
• Hands-on production experience with SOC, SOH, and/or SOP algorithms deployed in vehicles.
• Strong proficiency in C/C++ for embedded systems development.
• Experience working in Agile/Scrum environments.
• Ability to operate effectively in ambiguous, fast-paced SDV development contexts.

Nice to have

• Master's or PhD degree in Engineering or Computer Science.
• 8+ years of experience in HV battery systems embedded software.
• Proficiency in MATLAB/Simulink and Python for modeling and analysis.
• Experience with ETAS INCA, MDA, and lithium-ion chemistries (LFP, NMC/LMR).
• Success executing SOC/SOH/SOP verification in MIL, SIL, and HIL environments.

Culture & Benefits

• Comprehensive health programs including medical, dental, and vision.
• Financial security via retirement savings plans, HSA, and FSA.
• Paid vacation, holidays, and sickness/accident benefits.
• Professional growth through tuition assistance programs.
• Employee perks including GM vehicle discounts.
• Inclusive workplace committed to non-discrimination and belonging.