Senior AI Agent Engineer

Marketio; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Remote worldwide

Job summary

Marketio is seeking a role focused on designing and deploying stateful AI agent pipelines to support a multi-step commercial workflow. The focus is on reliable LLM orchestration through prompts, context management, and supporting middleware.

The candidate will design agent workflows, optimize token context handling, craft prompt heuristics, and build middleware to enable robust orchestration. This is a full-time, fully remote position open worldwide.

Qualifications

• Experience designing stateful AI agent workflows.
• Knowledge of prompt design and context management.
• Ability to build middleware for LLM orchestration.

Responsibilities

• Design and implement stateful agent workflows across customer journey stages.
• Improve token context selection and management in interactions.
• Develop prompt heuristics to guide agent behavior.
• Build middleware to support robust LLM orchestration and state handling.
• Deploy and refine agent pipelines for production use.

Skills

Stateful AI pipelines

Prompt engineering

Context management

LLM orchestration

Middleware development

Job description

Role overview

Design and deploy stateful AI agent pipelines that support a multi-step commercial workflow, from prospecting and engagement through booking and closing. The role focuses on making LLM orchestration reliable and effective by shaping prompts, managing context, and building supporting middleware.

Responsibilities

• Design and implement stateful agent workflows across multiple stages of a customer journey.
• Improve how token context is selected and managed throughout agent interactions.
• Develop prompt heuristics that guide agent behavior at each stage.
• Build custom middleware to support robust LLM orchestration and state handling.
• Deploy and refine agent pipelines for operational use.

Benefits and work setup

Full-time role, remote worldwide.