Serotonin

AI & GTM Engineer

Serotonin

Serotonin is a product and marketing studio for Web3

$80,000 - $190,000 /year

Copenhagen, Denmark (Onsite)

Data

Mid-Level

51-200 employees

Marketing Software Development Artificial Intelligence +3

Last updated 2026-04-21T06:06:01.994Z

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About the role

Overview

The AI & GTM Engineer role focuses on building the AI layer across Serotonin’s marketing operations, identifying opportunities to enhance efficiency and quality through AI tooling, and developing AI-powered workflows for internal teams and clients.

Skills

AI Digital Marketing Machine Learning Data Analysis A/B Testing

Candidate requirements

These are the minimum requirements a candidate must meet to be considered for this role.

  • Expert-level prompt engineering across major LLMs (Claude, ChatGPT, Gemini, Perplexity)
  • Hands-on experience with AI creative tools: image generation (Midjourney, Adobe Firefly), video (Runway, Sora, Kling), and audio (ElevenLabs)

About Serotonin

Serotonin is the leading breakthrough marketing and communications partner for digital asset companies, working with the top businesses and entrepreneurs in the industry on brand positioning, media relations, content, growth marketing, and go-to-market strategy.

Head office

New York City, New York

Company score (5)

Most candidates are reviewed quickly