Fillstack+AI Engineer

Remote

1 \- 3 years experience

###### **Responsibilities**

Full\-Stack \+ AI Engineer \| Job Description

Role Overview

As a Software Engineer on our Full\-Stack \+ AI team, you'll help build new AI products from the ground

up (0 to 1\) — designed from day one to scale to millions of users.

• Own end\-to\-end features, from data modeling and backend APIs to frontend UI, for products

being built from scratch

• Design and build AI agent workflows and integrate them into production\-grade product

experiences

• Build voice agents architected to scale to millions of users

• Make architecture and design decisions alongside the team for products built to scale to

millions of users

• Mentor interns and/or junior engineers — or work closely with senior engineers to grow into a

mentoring role

• Iterate fast — from prototype to production — in a 0\-to\-1 product environment

Required Skills

• 1–3 years of professional experience building full\-stack applications

• Strong proficiency in TypeScript, React, Next.js

• Solid backend experience with Python and FastAPI

• Working knowledge of PostgreSQL and MongoDB or similar relational/NoSQL databases

• Hands\-on experience with at least one AI agent framework (LangChain, LangGraph, Pydantic

AI, or equivalent)

• Regular use of an AI coding assistant (e.g., Claude Code, Cursor, or similar) as part of your

development workflow

• Experience mentoring an intern, junior engineer, or peer — or clear readiness to take on

mentorship

Good to Have

• Exposure to cloud platforms (AWS/GCP)

• Experience with AI/ML frameworks (PyTorch, TensorFlow, etc.)

• A portfolio of unique, self\-built projects (side projects, hackathon builds, open source)

• Experience building voice agents using frameworks like LiveKit Agents, Pipecat, Vapi, Retell,

or similar

• Experience scaling systems to handle high\-traffic, production workloads

###### **Skills Required**

Primary Skills

JavaScript (Node.js, TypeScript)

Frontend: React.js, Next.js, TypeScript, JavaScript ES6\+, Redux, HTML5, CSS3, Responsive Design