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# Backend / Systems Engineer, Agent Infrastructure

- **Company:** Clera
- **Location:** Berlin, Germany
- **Experience:** Experienced
- **Salary:** €80,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Systems Engineering, Software as a Service, Relational Databases, Python (Programming Language), PostgreSQL, Node.Js, TypeScript, Large Language Models, Backend, Fastapi
- **Published:** October 23, 2026
- **Apply:** https://startup.jobs/backend-systems-engineer-agent-infrastructure-clera-10560476

## About the Role

* At least 3 years of backend engineering experience building and maintaining production services.
 * Practical experience with Python and/or TypeScript/Node.js, and willingness to work across both.
 * Experience with PostgreSQL or another relational database, including data modeling and transactions.
 * Experience with background jobs, queues, or event-driven processing, including failure handling and data consistency.
 * Strong backend fundamentals and experience designing reliable asynchronous workflows.
 * Experience with workflow engines, multi-tenant applications, authorization, FastAPI, or agent tooling is a plus. Prior LLM experience is not required.

## Description

Build the backend systems and infrastructure that support reliable agent execution at an early-stage SaaS company. Working with the technical leadership and AI engineering team, you will own foundational architecture for persistent state, safe execution, permissions, and recovery., * Build backend services and data models to track operational work, ownership, and outcomes over time.

 * Develop asynchronous workflows that reliably handle retries, timeouts, external events, and interrupted execution.
 * Create shared APIs and tool-execution interfaces with authorization and customer-data isolation.
 * Improve how operational knowledge is stored, versioned, and served.
 * Strengthen testing and observability as the platform evolves.
 * Investigate production issues, design clear interfaces, and deliver maintainable solutions.