Senior Embedded Software Engineer - BMS & Powertrain

Stafl Systems, LLC; South San Francisco (CA); Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Equity award

Sign-on bonus

401(k) Plan (employer match up to 5%)

Health, Dental, Vision, Life Insurance

Paid Parental Leave

On-site EV charging

Job summary

Stafl Systems in South San Francisco is seeking a Senior Embedded Software Engineer to design, develop, and deliver embedded software for BMS and powertrain applications. You will participate in architectural discussions, ensure subsystem performance, reliability, and safety, and collaborate with cross-functional teams to advance the embedded software roadmap.

You will write Modern C++ (C++17+), contribute to requirements, perform design reviews, and support HIL validation and customer

Qualifications

• 5+ years of professional embedded software development experience.
• Strong experience defining software architecture using object-oriented principles.
• Deep understanding of embedded C++ toolchains (build systems, compilers, debugging environments).
• Strong experience developing production-quality software in Modern C++.
• Deep understanding of microcontroller architecture and real-time operating systems.
• Experience leading technical efforts or serving as subsystem owner.
• Strong systems integration experience (sensor integration, actuator control, power control, etc.).
• Experience debugging using oscilloscopes, logic analyzers, signal analysis tools, and power supplies.
• Solid understanding of electronics fundamentals and electrical calculations.

Responsibilities

• Design and implement embedded software systems from hardware abstraction layer through application frameworks for BMS and powertrain systems.
• Contribute to software architecture, module boundaries, and interface contracts.
• Participate in and contribute to technical design reviews.
• Execute subsystem-level development from concept through validation.
• Write and review high-quality Modern C++ (C++17+) production code.
• Contribute to requirements definition, task breakdowns, and development planning.
• Identify and mitigate technical risks across hardware/software integration.
• Support and execute HIL validation strategies and subsystem testing.
• Interface directly with customers to support integration, troubleshooting, and technical trade-offs.
• Share knowledge and provide feedback through code reviews and technical discussion.
• Contribute to functional safety strategy and compliance efforts (ISO 26262, IEC 61508, etc.).
• Communicate technical status and risks to the engineering team and leads.

Skills

Embedded C++

C++17+

RTOS

System integration

Hardware interface

Object-oriented design

Tools

Oscilloscopes

Logic analyzers

Power supplies

Build systems

Job description

Stafl Systems in South San Francisco is seeking a Senior Embedded Software Engineer to design, develop, and deliver embedded software for BMS and powertrain applications. You will participate in architectural discussions, ensure subsystem performance, reliability, and safety, and collaborate with cross-functional teams to advance the embedded software roadmap.

You will write Modern C++ (C++17+), contribute to requirements, perform design reviews, and support HIL validation and customer