CareerPlan

Full stack engineer

New York CityFull-time$100k–$180k2025-12-31 → 2026-11-11
Hybrid · United StatesNo visa sponsorship

Core

Build and deploy AI-powered marketing tools including statistical testing engines, Slack chatbots, and media buying automation for client brands.

Role type

Full-stack engineer (LLM & AI focus)

Builds

Proprietary marketing analytics products, AI chatbots, reporting dashboards, and media buying automation

Domain

Marketing technology / AI / Advertising

Deliverable

production ML models | product features

Required skills

LLM integration, TypeScript, Node.js, React, Next.js, full-stack development, system architecture

Preferred skills

Experience with reasoning models (e.g., o1), Voice-to-Voice LLMs, technical leadership, entrepreneurial mindset

Technologies

TypeScript, Node.js, React, Next.js, OpenAI, Anthropic, Gemini

Responsibilities

Own projects from code to infrastructure, define product roadmap without a product manager, build complex backends and data visualization frontends, integrate LLM APIs for chat and classification

Seniority

Mid-level, hands-on IC