Backend Infrastructure Engineer

About Sesame

Sesame believes in a future where computers are lifelike - with the ability to see, hear, and collaborate with us in ways that feel natural and human. With this vision, we're designing a new kind of computer, focused on making voice companions part of our daily lives. Our team brings together founders from Oculus and Ubiquity6, alongside proven leaders from Meta, Google, and Apple, with deep expertise spanning hardware and software. Join us in shaping a future where computers truly come alive.

About the role

As a Backend Infrastructure Engineer at Sesame, you will work across the stack, with an emphasis on backend, infrastructure, and systems. You should feel comfortable working on any typical software project, with the ability to quickly learn new tools and services with a strong intuition on software development and software deployment best practices.

Responsibilities:

• Build a secure, maintainable, self-serve core infrastructure.

• Build a modern training architecture and a modern serving architecture.

• Build and scale a low-latency voice interface and audio processing pipeline.

• Build low maintenance, high leverage developer tooling, server, and data infrastructure.

Required qualifications:

• Ability to set, own, and communicate direction.

• Hands-on reliability engineering experience. You hold convictions about monitoring and observability methodology, deployment systems, loosely coupled components, etc.

• Experience shipping services at scale.

• Experienced systems designer in designing and shipping flexible domain models and APIs.

• A track record of delivering efficiency through automation.

• Experience solving challenging infrastructure problems (using the tools below).

Preferred qualifications:

• Significant IaC experience (Terraform preferred).

  • CloudFormation, Pulumi, kube-based, etc.

  • Architected a multi-stack, self-serve Terraform system, or maintained one.

  • Understand the challenges of building infrastructure at scale.

• Significant Kubernetes experience.

• Some ML experience.

  • Torch experience, especially model optimization for serving.

  • General ML training or serving experience.

  • Built ML serving and/or training infrastructure.

  • Experience in Torch Serve, Seldon, KServe, Ray Serve, etc.

  • Experience building large-scale distributed training and serving systems.

• Data engineering experience.

• Technical leadership.

• Database design.

• Real-time communication experience.

Benefits:

• 401k matching

• 100% employer-paid health, vision, and dental benefits

• Unlimited PTO and sick time

• Flexible spending account matching (medical FSA)

Sesame is committed to a workplace where everyone feels valued, respected, and empowered. We welcome all qualified applicants, embracing diversity in race, gender, identity, orientation, ability, and more. We provide reasonable accommodations for applicants with disabilities—contact careers@sesame.com for assistance.