# Staff Engineer, Agentic Backend

**Company:** [Sema4.ai](https://hotfix.jobs/companies/sema4-ai)
**Location:** Atlanta, GA
**Role:** Backend Engineering
**Experience:** 7+ years
**Skills:** Python, LLMs, Agent Systems, Workflow Orchestration, Backend Services, Observability, Authentication, Authorization, API Design, Database Interfaces
**Posted:** 2026-02-02

> Builds production backend systems for enterprise AI agent platform, turning LLM/agent capabilities into reliable, scalable features with execution engines, orchestration, and observability. Requires 7+ years Python backend experience and hands-on with agent systems.

## Job Description

## Responsibilities

- Build product-grade agent infrastructure: execution engines, workflow orchestration, tool invocation frameworks, document processing systems, database interfaces, authentication and authorization, and lifecycle management.
- Turn AI capabilities into features: agent behaviors, configuration models, execution semantics, and observability surfaces.
- Own reliability, scale, and operability: handling retries, partial failures, long-running workflows, cost controls, and performance tradeoffs.
- Shape the platform surface area: influence API design, data models, and internal contracts.
- Contribute to technical leadership: design reviews, code reviews, set engineering standards, and mentor engineers.

## Requirements

- 7+ years of backend software engineering experience in production systems.
- Deep experience building backend services in **Python**, including performance, reliability, and observability.
- Hands-on experience with LLM- or agent-based systems, especially orchestration, tools, or workflow execution.
- Strong product and systems thinking.
- Strong communication skills.
- High-ownership mindset.

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**Canonical:** https://hotfix.jobs/jobs/259b7b4a-135f-48cf-9d3f-e0b4f1cc49a7