Full-Stack Engineer, AI Operations Tools (Miami)

Extenteam Careers; Miami (FL); On-site; USD 120,000 - 180,000; Full time

Job summary

Extenteam is the AI-driven operations platform for short-term rental property management, based in Miami. This in-office role requires working four days per week and sits in the Engineering team reporting to the Head of Engineering.

You will build and ship production-ready features end-to-end—from backend to the AI surfaces of the product—collaborating with operations, product, and design to improve the platform used by 80,000+ properties worldwide.

Qualifications

• 4+ years of full-stack software engineering shipping production enterprise software.
• Direct experience building internal tools, agent-facing platforms, or operational systems.
• Product-minded with ability to scope problems and tradeoffs.
• Track record of shipping fast within a product/design process.
• Experience working asynchronously with distributed teams.

Responsibilities

• Own features end to end including design, backend, frontend, instrumentation, rollout and follow-up fixes.
• Collaborate with founders, product and design at the whiteboard stage to decide what to build.
• Build AI surfaces of the product: prompt and agent architecture, tool calling, retrieval, guardrails and human-in-the-loop safety.
• Build and maintain evals with regression suite.
• Observe real usage: session replays, logs, transcripts, support tickets, and customer calls; ship changes accordingly.
• Own details that make software feel good: latency budgets, token cost, empty states, error copy, loading behavior, keyboard paths.
• Argue a feature is wrong before you build it; cut scope if needed.
• Leverage counts as product work: CI, preview environments, seed data, debugging surfaces.

Skills

TypeScript

Full stack

Internal tools

Product mindset

Distributed teams

Tools

Next.js

NestJS

TypeORM

PostgreSQL

BullMQ

Job description

Extenteam is the AI-driven operations platform for short-term rental property management, based in Miami. This in-office role requires working four days per week and sits in the Engineering team reporting to the Head of Engineering.

You will build and ship production-ready features end-to-end—from backend to the AI surfaces of the product—collaborating with operations, product, and design to improve the platform used by 80,000+ properties worldwide.