AI GTM Engineer

Serotonin is the top go-to-market firm for transformative technologies, specializing in marketing, strategy, recruiting, and legal services. With a global team of 90 across 15 countries, Serotonin has supported over 300 clients in consumer tech, web3 infrastructure, digital assets, venture capital, and AI since its launch in 2020. Delivering end-to-end go-to-market solutions across all major marketing channels - including public relations, growth marketing, on-chain analytics, content, research, social, and design - Serotonin accelerates global innovation. At the core of our business is the Serotonin Platform, serving as a central nucleus for the web3 ecosystem, connecting builders and founders with essential resources to drive business growth.

• Audit existing marketing workflows across content, social, PR, growth, and design, and systematically redesign them with AI tooling to increase speed, quality, and scale • Build and maintain AI-powered content and campaign pipelines for internal teams and client accounts, reducing manual effort without sacrificing brand quality • Develop and own a firm-wide prompt library, AI SOPs, and workflow playbooks - the operational backbone that makes AI adoption stick across a 90-person global team • Identify, evaluate, and onboard new AI tools relevant to marketing and GTM; maintain and evolve the firm’s AI tooling stack as the landscape shifts • Partner with client teams to diagnose GTM bottlenecks and design AI-assisted solutions - from content at scale to campaign automation to research synthesis • Build no-code and low-code automations that connect AI tools into existing martech stacks (HubSpot, Notion, Slack, social platforms) using tools like Make, Zapier, or n8n • Train and upskill marketing teams across the firm on AI tools and workflows, raising the baseline AI fluency of every team you work with • Define and track the metrics that prove AI workflow impact - time saved, output volume, quality scores, and client adoption, and report findings to leadership.

• 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) in a real marketing context • Workflow automation using no-code/low-code platforms (Make, Zapier, n8n) • Comfortable working with APIs, webhooks, and JSON • Familiarity with AI-native martech: HubSpot AI, Jasper, Copy.ai, Notion AI, Sprout Social • Experience building prompt templates, internal AI playbooks, and training materials • Ability to use AI tools to synthesize research, competitive intelligence, and market data • Comfort measuring the performance of AI-assisted campaigns and workflows • Familiarity with analytics tools (GA4, HubSpot analytics, basic SQL a plus) • Strong critical thinking around AI outputs.

• Competitive Salary • Health Insurance (US Only) • 401(k) (US Only) • Remote Work Environment • Maternity/Paternity Leave • Salary range: $80,000 - $190,000 a year, dependent on experience and qualifications.

Serotonin is a Web3 marketing and product studio that helps digital asset companies with brand positioning, media relations, content, growth marketing, go-to-market strategy, product development, recruiting, and legal services. They specialize in blockchain, cryptocurrency, NFTs, AI, and biotech sectors, working with top businesses and entrepreneurs to bring breakthrough technologies to market. Their services target innovators in decentralized technologies and financial services.