Sr. Principal Software Scientist
Core
Design and train large-scale transformer and hybrid foundation models for automotive voice assistants and mobility experiences.
Role type
Senior Principal AI Scientist (Generative AI)
Builds
In-house foundation models for next-generation transportation user experiences
Domain
Automotive AI / Generative AI
Deliverable
production ML models
Required skills
Transformer architecture design, deep learning fundamentals, optimization dynamics, distributed training strategies, scaling laws analysis, loss function design, mixed precision training
Preferred skills
Multimodal fusion architectures, SSM/hybrid architectures, MoE routing strategies, RLHF/DPO alignment techniques
Technologies
FSDP, ZeRO-3, Tensor parallelism, Pipeline parallelism, AdamW, Lion, Adafactor, bf16, fp8
Responsibilities
Design and modify transformer architectures including attention variants and MoE; Diagnose and resolve training instabilities at scale; Navigate scaling tradeoffs across data, compute, and architecture; Define technical direction for next-generation models; Partner with ML systems teams while retaining architectural ownership
Seniority
Senior, hands-on IC with strategic ownership
