Description
Join the Grok Voice Model team to help build the world's best voice AI. You will design and execute large-scale speech data curation and processing pipelines, work on pre-training and post-training of speech-language models, and build a comprehensive evaluation framework.
As a member of the team, you will work closely with product teams to integrate voice models into applications and real-time environments. You will define spoken interaction specifications and handle the full lifecycle from prototype to global-scale deployment for stable, low-latency, delightful voice experiences.
We're seeking exceptionally smart, execution-oriented engineers to help us get there. You will have the opportunity to work on cutting-edge technology and make a significant impact on the development of voice AI.
Responsibilities:
- Design and execute large-scale speech data curation and processing pipelines
- Work on pre-training and post-training of speech-language models
- Build a comprehensive evaluation framework
- Work closely with product teams to integrate voice models into applications and real-time environments
Basic Qualifications:
- Python expert with deep proficiency in writing clean, efficient code for AI/ML systems
- Hands-on experience processing large-scale datasets using tools like Spark and Ray for cleaning, augmentation, and feature extraction
- Proficiency in pre-training and post-training speech-language models using JAX/PyTorch, including supervised fine-tuning, reinforcement learning, and optimizations for accuracy, factuality, natural spoken style, detail, and multilingual fluency
- Ability to set up and run rigorous evaluation pipelines: objective metrics, human preference studies, content factuality checks, and iterative A/B testing to drive model improvements
- Experience building or working with large-scale distributed training and inference systems on Kubernetes
- Proactive, self-driven attitude , ready to grind in a fast-paced, high-caliber team to deliver outstanding voice AI experiences
Compensation and Benefits:
$150,000 - $450,000 USD
Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.