Full Stack Engineer-AI Voice

New York

**Location:** Hybrid- NYC (3 days in office required) **Type:** Full-time W-2 employee, subject to a 90-day introductory period\\ \\ Salary and equity commensurate with experience and performance **About AviaryAI** We build AI voice agents for banks, credit unions, and insurers. Our agents are live and handling real customer calls today. We're backed by Y Combinator and growing. So far we've focused on outbound calls. Now we're building inbound --- AI that answers incoming customer service calls. This will become a major part of our platform. The Role You'll be the primary engineer building our voice product. **This Means** * Writing the backend logic that manages conversation state and decision-making (Python) * Building internal dashboards and tools to configure and debug agents (TypeScript) * Contributing to our core frontend application as needed * Integrating with banking APIs and telephony systems * Debugging real production issues when things break You'll own this vertical from prototype to high-volume production. This is not a ticket-driven role. You'll have a lot of responsibility and a lot of autonomy. What We're Looking For * 1--3 years full stack experience * Strong in Python * Comfortable in TypeScript / modern frontend frameworks * Experience building systems with real state or multi-step workflows * Comfortable integrating third-party APIs * Able to work without detailed specs **Bonus If You've Worked In** * Startups * Fintech / insurance * Real-time systems (WebSockets, telephony, Twilio, etc.) What This Is Like You won't just be building CRUD endpoints. **You'll Be Building Systems That** * Decide what to do next in a live conversation * Enforce business rules * Handle messy, real-world edge cases * Observe real time systems handling high volumes of concurrent streams Your code will power real-time phone calls with real customers.