Founding Senior Engineer

ABOUT THE ROLE Join an early-stage AI company building growth tools for consumer brands. As a hands-on player-coach, you will own core engineering work while helping shape the architecture and engineering culture. WHAT YOU'LL DO - Build data infrastructure that tracks merchant lifecycle events and connects actions with outcomes. - Develop an agentic growth system that evaluates operations, recommends changes, and executes them automatically. - Own full-stack development of the growth engine, with a focus on backend systems and infrastructure. - Build reliable integrations with commerce and advertising platforms, as well as orchestration tools. - Mentor a founding engineer while contributing hands-on to daily engineering work. 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 agentic or LLM-powered systems that integrate with third-party APIs. - Experience leading or mentoring engineers, with the ability to prioritize across varied work and add structure in ambiguous situations. - Familiarity with Python, TypeScript, LLMs, and commerce or marketing integrations such as Shopify, Meta Ads, TikTok Ads, or email service providers. - Early-stage startup experience, including building products from an early stage, or experience at a growing startup. - Strong communication skills and a consistent employment history. COMPENSATION & BENEFITS Base salary: $175,000 to $225,000 annually. Visa sponsorship is available. LOCATION On-site in New York, New York, United States.