Jobs / Poland / HelloFresh Benelux B.V.
Staff Backend Product Engineer, Shopping AI & Search squad
HelloFresh Benelux B.V. · 🌍 Warszawa, Masovian Voivodeship, Poland
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About the role
Join HelloFresh in Warsaw as part of HelloTech, our global technology organisation of 1000+ people building the digital products behind our end-to-end food experience from meal kits and ready-to-eat meals to specialty offerings like pet food and premium meat & seafood. Our subscription-based, direct-to-consumer model runs on technology at every step: customer-facing apps, personalization, pricing, forecasting, supply chain, and food-waste reduction. Each of our brands serves distinct customer needs, but all are powered by the shared platforms, data, and engineering standards that HelloTech builds. HelloTech is organized into autonomous, cross-functional alliances, each owning a specific domain end-to-end. From our Warsaw office, you'll help shape scalable, data-driven products used across all our markets, working with a modern tech stack and international teams to keep improving how people discover, order, and enjoy HelloFresh's products. About the role: What's in the Box You'll join the Shopping AI & Search squad, part of the Shopping Journey tribe within our Consumer Alliance. Shopping Journey's mission is to help customers build lasting habits with HelloFresh, making it effortless to manage a subscription, find and order what they love, and get help when something goes wrong. Within that tribe, Shopping AI & Search owns a specific bet: building unified AI Assistant experiences for HelloFresh customers inside the chatbot and across the broader shopping journey, including personalized and conversational search and proactive in-app recommendations. The goal is a shopping experience that feels like it understands the customer, wherever they encounter it. As a Staff Backend Product Engineer, you'll provide technical leadership across this initiative, shaping architecture, driving technical decisions, and helping the squad (and its neighbors) build AI-powered systems that are fast, reliable, and genuinely useful, not just impressive in a demo. What you'll do: The Recipe • Lead the technical architecture for unified AI Assistant experiences spanning conversational search, personalized search, and proactive in-app recommendations — so the experience holds together whether the customer is in the chatbot or elsewhere in the app. • Own end-to-end technical decisions around integrating LLM-powered capabilities into customer-facing systems, weighing quality, latency, and cost at scale. • Act as the technical bridge between Shopping AI & Search, neighboring squads across Shopping Journey, and product/platform stakeholders, so architecture stays coherent as the assistant expands to new surfaces. • Define and drive engineering best practices for building and operating AI-powered systems — observability, graceful degradation, and testing strategies for components that are inherently probabilistic. • Provide technical leadership through architecture reviews, design discussions, and hands-on mentoring that raises the engineering bar across the tribe. • Use AI coding tools (e.g. Claude, Cursor) as a standard part of how you build, and help shape how the wider team adopts AI-assisted engineering practices. • Shape the technical roadmap by spotting architectural bottlenecks early and proposing improvements before they become blockers. What you'll bring: The Ingredients • 8+ years of backend engineering experience, with deep expertise in distributed systems, microservices, and event-driven architecture (Kafka, RabbitMQ, or AWS SQS/SNS). • Strong hands-on proficiency in Go, or another modern backend language (Java/Kotlin, Python, or TypeScript/Node.js), with the willingness to work in Go, our squad's primary stack. • Practical experience integrating LLMs or other AI services into production systems via APIs/SDKs. This isn't an ML engin