Senior AI scientist

Cerence Inc.

Job Overview

Location

Remote - India

Job Type

Full-time

Full Job Description

📋 Description

• We are looking for a scientist to be a part of XUI- Cerence's conversational AI platform using large language models including multimodal (both on Edge and in cloud).
• Design and train large-scale transformer and hybrid foundation models.
• Diagnose and resolve training instabilities at scale.
• Navigate scaling tradeoffs across data, compute, and architecture.
• Define the technical direction for next-generation models.
• Apply strong fundamentals in deep learning and representation learning.
• Design and modify transformer architectures, including attention variants, RoPE, ALiBi, Grouped Query Attention (GQA), and Mixture-of-Experts (MoE).
• Build models from first principles, not just adapt pre-existing codebases.
• Own optimizer and scheduler choices, including AdamW, Lion, and Adafactor.
• Understand and debug optimizer instability, gradient pathologies, and scaling laws.
• Apply and validate scaling laws, navigate Chinchilla-style compute vs data tradeoffs.
• Design and experiment with loss functions, including next-token prediction, contrastive objectives, RLHF, DPO, and GRPO.
• Design and execute large-scale training using FSDP, ZeRO-3, tensor parallelism, pipeline parallelism, mixed precision (bf16, fp8), and gradient checkpointing.
• Partner closely with ML systems teams while retaining architectural ownership.

🎯 Requirements

• PhD in Computer Science, Computer Engineering, or related field.
• 3+ years of experience in deep learning and natural language processing.
• Strong background in transformer architectures and large-scale model training.
• Experience with distributed training frameworks, such as FSDP and ZeRO.
• Familiarity with mixed precision training and gradient checkpointing.
• Strong understanding of scaling laws and compute vs data tradeoffs.
• Excellent communication and collaboration skills.

🏖️ Benefits

• Competitive salary and benefits package.
• Opportunity to work with a leading company in the automotive voice assistant space.
• Collaborative and dynamic work environment.
• Professional development and growth opportunities.

Skills & Technologies

Senior

Remote

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Cerence Inc.

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About Cerence Inc.

Cerence Inc. develops AI-powered mobility assistant technologies, including voice, natural language understanding, and human-machine interaction software. The company supplies automakers and mobility OEMs with embedded and cloud solutions that enable conversational in-car experiences, voice biometrics, navigation, and content access. Cerence serves global car manufacturers, tier-one suppliers, and mobility service providers, offering scalable platforms that integrate with vehicle infotainment systems and digital cockpits. Its portfolio spans speech recognition, edge AI, and cloud services designed to enhance driver safety and user experience across passenger vehicles, two-wheelers, and commercial fleets.

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