[TECH] Senior Frontend Engineer [CONSUMER] HelloFresh · Warszawa

About the Role: What's in the Box This role is part of HelloFresh’s New Ventures Tribe, where we build and scale new business models. You’ll work directly on The Pets Table, a fast-growing US-based pet-food brand that delivers personalized feeding plans to dog owners. Primary responsibility centers on enhancing active user experiences to improve customer retention. You will operate with a high degree of autonomy and fast iteration while leveraging HelloFresh’s global infrastructure. As a Senior Frontend Engineer, you will contribute to key initiatives across the customer-facing web application, working with a modern React / Next.js / TypeScript stack. You will integrate with our CMS, leverage experimentation frameworks, and utilize GenAI tools (such as Claude, Cursor, Figma, and Contentful MCPs) to accelerate architecture, design, and testing workflows. Working alongside machine learning, product, and design experts, you will deliver high-quality frontend solutions, contribute to architectural improvements, and support the evolution of the platform across scalability, observability, and AI-driven workflows. What You’ll Do: The Recipe Design, build, and optimize customer-facing applications using React, Next.js, and TypeScript. Participate in frontend architecture discussions, technical decision-making, and platform scalability. Support improvements in production…