Sr. Model Engineer, Voice

The role

You will join the Grok Voice Model team as a software engineer. You will design, build and run the software systems behind Grok Voice, a multilingual spoken interaction product that works in real time.

What you will do

• Design, build and maintain large-scale distributed data pipelines for real-world and synthetic audio
• Build and optimize distributed training infrastructure for speech-language models in JAX and PyTorch
• Build automated evaluation and testing systems for accuracy, audio quality, latency and real-time performance
• Integrate voice models into production applications and real-time services
• Own deployment from prototype to global scale, focused on stability, low latency and reliability
• Profile and optimize training and inference performance, including throughput, latency, memory and compute efficiency

Required qualifications

• Bachelor's degree in computer science, software engineering, computer engineering, electrical engineering, or another engineering discipline
• Experience writing production-quality code in Python, PyTorch, JAX, Rust, or C++
• 2+ years of experience working with large scale voice related products

Nice to have

• Experience building and running large-scale distributed training and inference systems on Kubernetes
• Expert-level Python for large-scale systems
• Experience implementing and optimizing model training and inference software in JAX or PyTorch
• Experience building automated testing, evaluation and A/B experimentation pipelines
• Hands-on experience with distributed data processing tools such as Spark and Ray
• A proactive, self-driven attitude and the ability to deliver in a fast-paced, high-caliber team

Benefits

• Equity
• Comprehensive medical coverage
• Vision coverage
• Dental coverage
• Access to a 401(k) retirement plan
• Short and long-term disability insurance
• Life insurance
• Various other discounts and perks

Before you apply

• Recruitment data is processed under the company's Recruitment Privacy Notice

About the company

SpaceX was founded to make life multiplanetary. SpaceXSI is building Super Intelligence to help humanity understand the universe, including the Colossus supercomputers, Grok models and applications such as Grok Bot, Grok Build, Grok Imagine, Grok Voice and X.