Jobs Companies Character.AI Machine Learning Infrastructure Engineer

About this Machine Learning Infrastructure Engineer role at Character.AI

Character.AI · Hybrid · Redwood City, CA

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 adventures.


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.

Ready to apply to Character.AI?
Apply to Character.AI

How this Platform Engineer salary compares

This role pays $250,000/yrabove the typical range for Platform Engineer roles.

$175,000 median $225,450 $259,000

Typical range $201,250–$242,500/yr, from 12 comparable Platform Engineer listings on JobsRadar (pay annualized to USD). See Platform Engineer salary insights →

Similar jobs

Sign up for suggestions tailored to the jobs you open and the searches you save.

More jobs at Character.AI

See all jobs at Character.AI →

Apply now
🤖

Whoa — hold up

JobsRadar was built for real people having a rough time in their job search — not for automated requests. You're clicking way too fast and you're now temporarily blocked.

Come back later. If you're genuinely job hunting, we've got your back — just act like a human.

Catch your next role the second it’s posted.

Create a free account and we’ll watch the boards for you — the instant a job matches your search, it lands in your inbox or Telegram. No digging, no refreshing.

Create free account

Free forever · takes 30 seconds · already have one?

Get an edge on your job hunt.

Join our Telegram channel for the stuff that helps you land the role — salary benchmarks, the weekly market pulse, and new-feature drops. No spam, just signal.

Join the channel — it's free