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# Software Engineer

- **Company:** REVIN
- **Location:** New York, NY, United States
- **Experience:** Experienced
- **Salary:** $140,000.0 - $180,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Software as a Service, Software Debugging, Python (Programming Language), PostgreSQL, Next.js, Salesforce.Com, Twilio, TypeScript, Datadog, ReactJS, Large Language Models, Multi-Agent Systems, Backend, Fastapi, Data Pipelines
- **Published:** July 27, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=2fc198c5888897ab

## About the Role

* 2-4 years of full-stack experience shipping production software at a startup, high-velocity SaaS, or AI-driven company
 * Eager to work with LLMs in production - you've built with LLM-powered features and want to go deeper, even if you haven't owned them at scale yet
 * Working proficiency in Python (FastAPI) and TypeScript (Next.js, React Query)
 * Comfortable working in production systems, and eager to learn multi-tenant patterns - RLS, account-scoped queries, JWT-based access
 * Experience debugging APIs and tracing issues across services and data pipelines
 * A continuous learner comfortable operating in ambiguity. You ship, learn, and adapt.
 * Customer-obsessed - you want to be close to the people using what you build

Bonus:

 * LangGraph, LangChain, or other agent frameworks
 * Real-time voice/audio work (LiveKit, Daily.co, Twilio Voice)
 * Observability tooling for LLM systems (Langfuse, LangSmith, Helicone)

## Description

We're hiring a Software Engineer to build the production systems behind our AI agents - the agents that handle SMS, voice, and email conversations on behalf of $100M+ home-services operators. When our agent makes a mistake - books outside hours, dispatches to the wrong zip code, promises a service the business doesn't offer - it costs our customers real money. Your job is to help build the systems that prevent that.

This is a high-ownership role. You'll work end-to-end across a Python/FastAPI backend, a Next.js/TypeScript dashboard, and the LangGraph workflows that drive agent behavior. You'll partner directly with product, design, and senior engineers, ship in production, and grow quickly.

What You Will Do

 * Build and evolve LangGraph workflows that handle SMS and voice conversations for enterprise operators
 * Ship features end-to-end across a Python/FastAPI backend and a Next.js/TypeScript dashboard
 * Work in a multi-tenant Supabase/Postgres environment where every query is account-scoped (RLS, JWT-based access)
 * Help build the eval frameworks that catch agent regressions before they reach customers - we treat eval quality as a first-class engineering discipline
 * Integrate with messy real-world CRMs (Salesforce, ServiceTitan, LeadPerfection, AccuLynx) where the data is never clean
 * Partner with the voice team on real-time agent behavior (LiveKit + OpenAI Realtime)
 * Help optimize the omnichannel experience across SMS, voice, and email


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