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# Staff Software Engineer

- **Company:** Kadence Inc.
- **Location:** New York, NY, United States
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Software as a Service, Distributed Systems, Knowledge-Based Systems, PostgreSQL, Retrieval-Augmented Generation, Large Language Models, Backend, Agentic-AI, Fastapi, Build Management, Production Code, Microservices
- **Published:** November 8, 2026
- **Apply:** https://www.juju.com/job/28_25303_910dbd100fa62c607e0d203900983bd2

## About the Role

* Recent experience designing, building, and shipping production products or platforms in a strong product, SaaS, or technology engineering organization
 * Staff-level technical ownership: leading complex projects end to end while continuing to write production code
 * Strong Python backend engineering experience, ideally with FastAPI, APIs or microservices, PostgreSQL, and AWS
 * Experience designing distributed systems and operating them reliably at scale
 * Hands-on experience integrating LLMs into products; experience with agents, tool calling, MCP, RAG, or retrieval is especially relevant
 * Sound judgment around performance, observability, resilience, and cost in production
 * Ability to mentor engineers, make clear technical tradeoffs, and influence engineering direction across teams

## Description

* Design and build the backend services powering AI agents, conversations, workspaces, and document workflows
 * Develop orchestration for LLMs, tool calling, MCP, and multi-step tasks
 * Improve retrieval and knowledge systems operating across millions of documents
 * Make practical decisions around latency, reliability, observability, scalability, and model cost
 * Lead projects from technical design through launch and ongoing operation, while mentoring engineers and influencing direction across teams