First engineering hire at an early-stage B2B MarTech startup. Build and extend a Rails application, integrate LLMs and AI services, design data pipelines and schema extraction, develop browser extensions and automation, make infrastructure and architecture decisions, and shape engineering culture and hiring.

Hands-on role executing, analyzing, and optimizing paid digital campaigns across paid channels. Build and QA campaigns, validate tracking (GA4, GTM), run keyword/audience research, support SEO/GEO and A/B tests, create performance reports, meet clients, and contribute to strategy and competitive analysis.