Senior/Staff Software Engineer, Runtime Jobs

PlusAI

Location:
United States, Santa Clara

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

150000.00 - 225000.00 USD / Year

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Job Description:

Plus, also known as PlusAI, is a Physical AI company pioneering AI-based virtual driver software for factory-built autonomous trucks. Headquartered in Silicon Valley with operations in the United States and Europe, Plus was named by Fast Company as one of the World’s Most Innovative Companies. Partners including TRATON GROUP’s Scania, MAN, and International brands, Hyundai Motor Company, Iveco Group, Bosch, and DSV are working with Plus to accelerate the deployment of next-generation autonomous trucks. If you’re ready to make a huge impact and drive the future of autonomy, Plus is looking for talented individuals to join its fast-growing teams.

Job Responsibility:

Work closely with our autonomy and runtime teams to improve our redundant on-vehicle platform and autonomous software stack
Develop perspectives on where opportunities and gaps might be in our redundant software and hardware strategy with a longer-term horizon in mind
Integrate and optimize performance and robustness of different autonomous software component into redundant on-vehicle platform
Design and develop fault detection and fault handling strategies for redundant on-vehicle platform
Design and develop validation strategies for redundant on-vehicle platform, including on vehicle testing, Sil and HiL simulation testing
Evaluate, integrate and optimize partner middleware into our AD stack
Owns or help with driverless operation key features, like mission control, tele assist, etc
Ensure that your work is performed in accordance with the company’s Quality Management System (QMS) requirements and contribute to continuous improvement efforts
Ensure team compliance with QMS, monitor quality, and drive process improvements

Requirements:

Minimum 5+ years of professional experience
MS or PhD in Computer Science or related field
Strong programming skills in C++ and Python
Basic understanding of computer vision and deep learning models
Hands-on experience of high performance IPC / middleware stack
Strong analytical skills, especially for performance troubleshooting (e.g. profiling, roofline model)
Familiarity with CUDA, OpenCL, OpenVX, Halide or other SIMD programming models
Ability to quickly learn and adapt to new technology
Ability to work on large code bases and a fast growing environment
Strong communication skills
Familiar with Linux system and basic kernel tuning, network tuning, device tree tuning, timesync, etc.
Comfortable with On-vehicle troubleshooting and performance profiling

Nice to have:

Experience with CV pipeline and model inference on edge platforms
Experience with ROS2 and DDS
Experience with automotive HPC SoCs (Nvidia preferred)
Experience with QNX

What we offer:

Work, learn and grow in a highly future-oriented, innovative and dynamic field
Wide range of opportunities for personal and professional development
Catered free lunch, unlimited snacks and beverages
Highly competitive salary and benefits package, including 401(k) plan

Additional Information:

Job Posted:
December 11, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior/Staff Software Engineer, Runtime