Founding Applied AI Engineer

About the Role As the first senior AI hire at an early-stage AI marketing company, you will own the quality and intelligence of its multi-channel marketing agents. You will shape the agent architecture, evaluation systems, and learning loops, while helping build the AI team. What You'll Do Improve agent output and content quality across social platforms and article writing, using evaluation systems to measure results. Improve search engine optimization and generative engine optimization performance. Build feedback loops that help agents learn from real-world results and performance signals. Improve production AI infrastructure, agent architecture, model strategy, and supporting data pipelines. Help hire and lead the AI team as it grows. What We're Looking For At least 3 years building production machine learning or AI systems, with recent hands-on experience shipping LLM products or agents. Experience designing evaluations and using outcome signals at scale in search, ranking, recommendations, or related domains. Strong TypeScript, including Next.js, and Python skills for data analysis, evaluations, and model work, with a track record of shipping end to end. Production experience in applied AI, such as LLM reasoning or post-training, generative AI, agentic systems, search, recommendation systems, algorithms, or machine learning research. Experience building feedback loops and improving AI infrastructure, agent architecture, or model strategy in production. Experience owning and shipping work in a startup or small team, plus strong research or applied AI achievements. Search, ranking, or AI answer engine experience is valuable. Marketing or go-to-market experience is a plus; recommendation systems, algorithms, and reinforcement learning are also relevant backgrounds. Compensation & Benefits Annual base compensation is $180,000 to $230,000 USD. Visa sponsorship is available. Location On-site in San Francisco, California. Candidates must be based in or willing to relocate to San Francisco.