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This listing was closed on Sep 25, 2026.
Browse Open JobsSoftware Engineer, Agent Runtime
Summary by AIEngineer.careers
Software Engineer, Agent Runtime is a AI Agent Engineer role (full-time). with Sierra. in SAN FRANCISCO, US. Imported listing (source: thejobnetwork.com). Apply on the employer's site (thejobnetwork.com).
Imported listing (source: thejobnetwork.com) · Apply on thejobnetwork.com
SAN FRANCISCO · US
—
Full-time
MID
The sections below reproduce the third-party job description for reference. AIEngineer.careers does not write or control this text.
Imported job description
Sourced from thejobnetwork.com
Sierra is seeking a Software Engineer to build core systems powering AI agents, including the Agent SDK and orchestration engine. The role focuses on designing agentic loops, improving retrieval mechanisms, and building robust evaluation frameworks for agent performance.
Responsibilities
- Design and implement agentic loops and runtime primitives
- Build and maintain the Agent SDK and orchestration engine
- Improve retrieval systems for agent context
- Develop evaluation frameworks to measure agent effectiveness
Requirements
- Experience in backend software engineering
- Strong understanding of system design and distributed systems
- Ability to work with complex stateful workflows
Nice to Have
- Experience with AI agent architectures or LLM integration
- Background in building developer tools or SDKs
Tech Stack
OrchestrationPythonSystem Design
S
Sierra
San Francisco · US · 997+ employees
Sierra is an AI company that develops a platform for building and managing conversational AI agents for enterprises. The company helps businesses create more human, effective customer experiences by deploying multilingual and multichannel AI solutions with built-in guardrails.
