Full-Stack AI Application Engineer

We are hiring for our client "Juner".

About Juner

Juner is building the next-generation AI Marketing Agent platform. We're creating a system that lets marketers automate, orchestrate, and optimize their marketing workflows—from integrating tools and APIs to executing intelligent automations. We're moving fast, and we’re looking for a full-stack engineer to help shape and scale the core AI application with the founder.

What You’ll Work On

You’ll be joining at a foundational stage and working directly with the founder to design and develop the AI Marketing Workflow Application. Your work will span:

● Designing and implementing backend APIs and services with Python

● Building workflows and automations across connected tools and services across the Marketing stack

● Designing and building NextJS frontend application with data visualizations, dashboards and workflow creation/management

What We’re Looking For

We value strong communication, ownership, and speed. You should be excited about building from the ground up and comfortable switching between backend, frontend, and 3P integrations

Must-Have Skills

● Proficiency with AI-powered coding tools like Claude Code, Cursor, Windsurf, GitHub Copilot

● Proficient in Python with experience using FastAPI, Pydantic, and Pytest

● Familiarity with Typescript and experience using Next.js, React, Shadcn, and Zod

● Experience building end-to-end applications with clean, scalable code

● Comfortable integrating external APIs, especially Marketing APIs, and tools into a unified platform

Preferred Skills

● Knowledge building data pipelines and visualizations with DBs like Clickhouse, BigQuery

● Experience with Docker for local development and deployment

● Passion for fast iteration and deployment in a startup environment

Why Join Juner

● Get in early on the next wave of AI marketing automation

● Work directly with the founder on mission-critical systems

● Be on the cutting edge of AI-assisted development

● Deploy systems used by the fastest-growing advertisers and marketers

● Fully remote, flexible work environment with high ownership