Senior Software Engineer, Infrastructure

About the Role Join a small, high-ownership team building persistent cloud environments that power an AI agent platform. This developer-focused role combines backend application development with infrastructure engineering, helping make isolated customer environments reliable and scalable. What You'll Do Write application code to manage virtual machine lifecycles, container updates, queues, observability, and security. Scale and operate always-on customer environments across cloud infrastructure. Design reliable abstractions for messaging queues, locks, background tasks, and service bus mechanics. Develop infrastructure-as-code patterns and standards using Pulumi. Debug Linux systems, containers, networking, persistent storage, permissions, and runtime issues. Work closely with a cross-functional team and contribute to regular product delivery. What We're Looking For 6 to 12 years of experience building and owning core infrastructure, with substantial production software engineering experience. Experience developing backend applications and infrastructure in an early-stage or similarly high-ownership environment. Strong cloud experience with Azure, AWS, or GCP, plus infrastructure-as-code tools such as Pulumi, Terraform, or CDK. Experience with containerized workloads, including Docker or Kubernetes, and deep working knowledge of Linux systems. Background managing isolated customer environments or persistent cloud workloads is valuable. Clear written and verbal communication skills. Must be authorized to work in the United States without visa sponsorship. Compensation & Benefits Base salary range: $250,000 to $325,000 USD annually. Visa sponsorship is not available. Location Remote, based in Canada.