Founding Senior Engineer

ABOUT THE ROLE Join an early-stage AI company building an intelligent growth platform for consumer brands. As a hands-on player-coach, you will own core product and infrastructure work while helping shape engineering practices and architecture. WHAT YOU'LL DO - Build data infrastructure that tracks merchant lifecycle events and helps identify which actions drive outcomes. - Develop an agentic growth system that evaluates operations, recommends changes, and automates execution. - Own full-stack development of the growth engine, with a focus on backend systems and infrastructure. - Build and maintain reliable integrations with commerce, advertising, and marketing platforms. - Mentor engineers while remaining actively involved in day-to-day development. WHAT WE'RE LOOKING FOR - Five to eight years of full-stack engineering experience, with strong backend skills in data infrastructure, event systems, and API integrations. - Experience building and owning production-grade LLM-powered or agentic systems that integrate with third-party APIs. - Experience with Python, TypeScript, LLMs, and commerce or marketing integrations such as Shopify, Meta Ads, TikTok Ads, or email service providers. - Experience leading or mentoring engineers, and the judgment to prioritize work and create structure in ambiguous, early-stage environments. - Background building products from an early stage or working at a growing startup, with strong communication skills. COMPENSATION & BENEFITS Base salary: $175,000 to $225,000 annually. Visa sponsorship is available. LOCATION On-site in New York, New York, United States.