Senior AI Platform Engineer - Build Scalable Agent Infra (Remote)

Promptcube3; Northern (KY); Remote; USD 148,000 - 204,000; Full time

Job summary

ActiveCampaign seeks a Senior AI Engineer to own core capabilities of our internal AI agent platform, enabling teams to build, deploy, operate, and improve AI agents at scale.

You will shape deployment patterns, shared services, and observability to deliver reliable, reusable foundations across the organization, partnering with cross-functional teams to turn ambitious ideas into production-ready solutions.

Qualifications

• 5+ years of hands-on software or platform engineering experience.
• Experience building production-ready systems across APIs, services, integrations, and data flows.
• Experience with cloud environments and modern deployment patterns.
• Ability to diagnose complex infra and application issues.
• Experience designing reusable platform components and developer tooling.

Responsibilities

• Own the design and evolution of core capabilities within our internal AI agent platform to support high-impact business workflows.
• Define and improve deployment patterns, shared services, and orchestration approaches that enable complex agent use cases to run reliably.
• Partner with business stakeholders to translate high-priority strategic goals into scalable AI agent solutions.
• Debug issues, unblock day-to-day development, and fix infrastructure or environment root causes.
• Build and maintain shared services—modules, integration layers, logging patterns, and data access approaches.
• Drive decisions around observability, governance, permissions, reliability, and cost-aware usage.
• Set technical direction for new capabilities to create durable foundations.
• Collaborate across engineering and business to identify and shape new high-value opportunities for agent-led innovation.

Skills

Platform engineering

Cloud deployments

APIs & integrations

Observability

Security

AI systems

LLM workflows

Cross-functional collaboration

Tools

Internal tooling

Data pipelines

Job description

ActiveCampaign seeks a Senior AI Engineer to own core capabilities of our internal AI agent platform, enabling teams to build, deploy, operate, and improve AI agents at scale.

You will shape deployment patterns, shared services, and observability to deliver reliable, reusable foundations across the organization, partnering with cross-functional teams to turn ambitious ideas into production-ready solutions.