Senior Agent Engineer - Flynn engagement

Senior Agent Engineer - Flynn engagement

Location: Remote, Argentina 

Type: Contract (full-time hours, overlapping US Central business hours)

The engagement

You'll work with Flynn, a company spun out of Equips (a leader in equipment maintenance services for financial institutions and healthcare organizations). Flynn is building AI agents for field service work, giving technicians the knowledge they need to fix complex equipment on-site, the first time, every time. Flynn already has live users and is rolling out to its first customers, so this is real and in-use software from day one.

You'll join a team building production agentic AI systems, using LangChain, LangGraph, and LangSmith as the core stack. Everything ships under real usage, real data, and real multi-tenant pressure.

What you'll be doing

• Build and ship AI-enabled applications end to end, using LangChain, LangGraph, and LangSmith, covering retrieval and agent orchestration through to the pipelines that feed them.
• Own technical delivery across the full stack: backend services (Python/FastAPI) through to modern web UIs (TypeScript/React).
• Help define and bui