Sesame · 7 hours ago
Backend Infrastructure Engineer
Bellevue, WA
Full-time
Onsite
Mid, Senior Level
$175K/yr - $280K/yrSesame is a company focused on designing lifelike computers that can see, hear, and collaborate with humans. They are seeking a Backend Infrastructure Engineer to work across the stack with an emphasis on backend, infrastructure, and systems, building secure and maintainable core infrastructure and scalable voice interfaces.
Artificial Intelligence (AI)Consumer ElectronicsConsumer SoftwareSoftware
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
Qualification
Required
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
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)
Company
Sesame
Sesame is a voice tech startup focused on developing AI voice assistants that create natural and emotionally resonant conversations.
Founded in 2022
11-50 employees
H1B Sponsorship
Sesame has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (2)
Funding
Current Stage
Growth StageTotal Funding
$307.62MKey Investors
Andreessen Horowitz
2025-10-21Series B· $250M
2023-11-01Series A· $47.5M
2023-09-12Seed· $10.12M
Recent News
Mexico Business
2025-12-24
2025-10-29
Company data provided by crunchbase