Backend Software Engineer

Syntic AI, Inc.; United States; Remote; USD 130,000 - 170,000; Full time

Job summary

Syntic AI, Inc. is seeking an experienced backend engineer to build the core systems that power an AI agent runtime. You will design orchestration for agents, tool use, and fault recovery, while improving observability and safety in production.

You will work with TypeScript or Python, tackle failure modes, and collaborate across teams to raise reliability and controllability of LLM-powered applications. This role emphasizes robust architecture, measurable outcomes, and delivering resilient

Qualifications

• Production experience with LLM-powered applications or agents.
• Strong backend skills in TypeScript or Python.
• Understanding of failure modes in tool-using systems.

Responsibilities

• Design and implement orchestration for agents and their tool calls.
• Improve task completion through measurable evaluations.
• Make agent behavior observable for inspection.
• Support interruption and recovery in agent workflows.
• Address safety concerns in tool-using systems.

Skills

Backend engineering

TypeScript

Python

LLM applications

Job description

Role overview

Build backend systems for an AI agent runtime, covering how agents plan work, use tools, retain context and recover from failures. The role combines production software engineering with improving the reliability and controllability of LLM-powered applications.

Responsibilities

• Design and implement orchestration for agents and their tool calls.
• Improve task completion through measurable evaluations.
• Make agent behavior observable so it can be inspected.
• Support interruption and recovery in agent workflows.
• Address safety concerns in tool-using systems.

Requirements

• Experience building LLM-powered applications or agents for production use.
• Strong backend engineering skills in TypeScript or Python.
• Understanding of failure modes in systems where models use tools.