Character.AI

Machine Learning Infrastructure Engineer

Redwood City, CA · Full-time

Character.AI

At a glance

Machine Learning Infrastructure Engineer is an open full-time job at Character.AI (Redwood City, CA · Hybrid).

CompanyCharacter.AI
LocationRedwood City, CA · Hybrid
TypeFull-time
DepartmentTechnical Staff - ML
PayCreate a free account to see the pay
Posted2025-04-24
Found onAshby

About this job

About the role

We’re looking for seasoned ML Infrastructure engineers with experience designing, building and maintaining training and serving infrastructure for ML research.

Responsibilities :

  • Provide infrastructure support to our ML research and product
  • Build tooling to diagnose cluster issues and hardware failures
  • Monitor deployments, manage experiments, and generally support our research
  • Maximize GPU allocation and utilization for both serving and training

Requirements:

  • 4+ years of experience supporting the infrastructure within an ML environment
  • Experience in developing tools used to diagnose ML infrastructure problems and failures
  • Experience with cloud platforms (e.g., Compute Engine, Kubernetes, Cloud Storage)
  • Experience working with GPUs

Nice to have

  • Experience with large GPU clusters and high-performance computing/networking
  • Experience with supporting large language model training
  • Experience with ML frameworks like Pytorch/TensorFlow/JAX
  • Experience with GPU kernel development

About Character.AI

Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure s.

In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.

Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!

At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.

Questions about this job

Where is the Machine Learning Infrastructure Engineer job at Character.AI?

Redwood City, CA. The role is hybrid.

What does the Machine Learning Infrastructure Engineer job at Character.AI pay?

The listing states a pay range. Create a free account on this site to see it.

Is this a full-time or part-time job?

The listing describes it as Full-time.

How do I apply to Character.AI?

Create a free job seeker account on this site, then use the Apply button to open the employer's own posting.

Hiring for this role at Character.AI? Create your hiring profile with your work email, so job seekers can find and connect with you.

All jobs at Character.AI · More jobs near Redwood City, CA

Book a free consultation

Tell us about your team and the software you need help with. We'll follow up to schedule a time to talk.

Open the form on its own page

Talk to a person

The fastest way is to pick a time. Prefer to write? Leave a message and we will email you back, usually the same business day.

Book a free call

By sending this you agree to our Terms and Privacy Policy.