ML Engineer at Passionfruit - Series A AI-native marketing platform

Join Passionfruit as a senior ML Engineer and define how AI transforms marketing operations for Fortune 500 brands like PepsiCo and HSBC. Backed by $13.3M in Series A funding from Seaya and Playfair, you'll lead the architecture of production LLM systems and agentic workflows. This is a high impact role in London where you'll have meaningful ownership over model selection and evaluation frameworks while shipping real world AI that replaces manual workflows with data driven automation. If you have 4 8 years of experience and a passion for RAG and agentic systems, this is your chance to shape a category defining product.