Sesame · 19 hours ago
Backend Infrastructure Engineer
Bellevue, WA
Full-time
Onsite
Mid, Senior Level
$175K/yr - $280K/yrSesame is a company focused on creating lifelike computers that integrate voice agents into daily life. They are seeking a Backend Infrastructure Engineer to build high-leverage infrastructure and tooling, addressing scalability and architectural challenges across various domains.
Artificial Intelligence (AI)Consumer GoodsSoftwareConsumer ElectronicsConsumer Software
Responsibilities
Architect and build cross-cutting infrastructure to power serving, training, and the application layer at Sesame
Create compounding productivity improvements for engineers at Sesame by automating everything and building amazing tools
Ship software that makes it easy for product and machine learning engineers to build scalable, reliable systems that are secure by default
Your work spans provider, service, security, and developer infrastructure, plus the design and implementation of core services and libraries
Qualification
Required
Experience solving hard problems with Kubernetes
You enjoy using cloud or open source infrastructure to solve hard problems when the situation calls for it
You are an excellent programmer and software engineer first; you use open source and cloud infrastructure to leverage in system design
Passionate about automation, including automating repetitive tasks, eliminating toil, building self-serve frameworks, and finding ways to do more with less; passionate about making other developers more productive
Excited about using AI to automate and build tools that weren't even possible one year ago
Obsessed with system uptime, observability, and implementing security best practices at the infrastructure level
Preferred
Security engineering experience: You've been instrumental in defining security policy or controls, implementing or adopting proactive or defensive tooling, etc
Scalable, real-time communication: building and shipping systems that stream and process audio/video in real time and at scale
Database design, scaling, and database performance expertise
Significant experience working with and building systems on GCP
Deep Python expertise; you know how to build maintainable, high-performance, and scalable tooling and serving systems using Python
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
51-200 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
Sequoia Capital,Spark CapitalAndreessen 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