Founding Senior Engineer

ABOUT THE ROLE Join an early-stage AI company building growth automation for consumer brands. As a hands-on player-coach, you will shape the engineering foundations and help deliver systems that improve merchants' growth operations. WHAT YOU'LL DO - Build data infrastructure that tracks merchant lifecycle events and connects actions with outcomes. - Develop agentic growth systems that assess operations, identify opportunities, and execute improvements automatically. - Own full-stack development of the growth engine, with a focus on backend systems and infrastructure. - Build reliable integrations with commerce, advertising, and marketing platforms, along with orchestration tooling. - Mentor engineers while contributing hands-on to product development and engineering practices. WHAT WE'RE LOOKING FOR - Five to eight years of full-stack engineering experience, with strong backend skills across data infrastructure, event systems, and API integrations. - Experience building and owning production-grade agentic or LLM-powered systems that integrate with third-party APIs. - Experience mentoring or leading engineers, and the ability to bring structure to ambiguous work and prioritize effectively. - Early-stage startup or founding engineering experience, or experience in a growing startup environment. - Familiarity with Python, TypeScript, LLMs, and commerce or marketing integrations such as Shopify, advertising APIs, and email platforms. - Strong communication skills and a track record of sustained contributions in engineering roles. COMPENSATION & BENEFITS Base salary is $175,000 to $225,000 annually. Visa sponsorship is available. LOCATION On-site in New York, New York, United States.