Senior Software Engineer (Infrastructure)

Motion is building an AI-native platform that connects performance marketers with creative teams. They are seeking a Senior Software Engineer to work on data-intensive APIs and infrastructure, focusing on writing application code that manages infrastructure primitives.

Responsibilities:

• Build and evolve the systems that provision, update, secure, and observe Motion’s agent environments
• Design abstractions around queues, locks, background tasks, and service bus mechanics so product engineers can build on reliable primitives
• Evolve our infrastructure-as-code footprint in Pulumi — defining patterns other engineers can build on
• Work with Linux systems, mounted persistent storage, OS disks, container boundaries, permissions, logs, and runtime debugging
• Participate in a small, high-ownership, cross-functional team with weekly cycles

Requirements:

• 6+ years of experience as a software engineer, with meaningful time spent going deep into infrastructure
• Strong production backend experience. TypeScript / Node.js is ideal, but we care more about strong engineering judgment and the ability to learn our stack quickly
• Deep, hands-on cloud experience. Azure is where we live, but AWS or GCP experience transfers if you are strong on the fundamentals
• Fluency with infrastructure-as-code. We use Pulumi but any relevant experience in Terraform or CDK is good
• Hands-on experience with containers and runtime environments. Docker is important; experience with Kubernetes, Nomad, ECS, Docker Swarm, or similar orchestration systems is helpful but not required
• Experience designing reliable systems around background jobs, queues, locks, service buses, migrations, retries, and failure recovery
• Strong security instincts for application runtime environments