Senior React Native Product Engineer, Consumer Alliance (all genders)

HelloFresh's HelloTech organisation in Warsaw is a global technology backbone with over 1000 people building digital products for meal kits, ready-to-eat meals, pet food, and premium meat & seafood. Their subscription-based, direct-to-consumer model integrates technology at every step, focusing on customer-facing apps, personalization, pricing, forecasting, supply chain optimization, and food waste reduction.

• Hands-on experience working with AI tooling such as Claude Code, Cursor, Copilot, with daily usage and practical understanding.
• At least 2-3 years of hands-on work with React Native.
• Minimum of 5 years of experience with HTML, CSS, and JavaScript.
• Proficiency in building component-based architectures using React.js and Node.js.
• Deep understanding of integrating frontend and backend services.
• Familiarity with CI/CD workflows and solid testing practices including unit, integration, and end-to-end testing.
• Strong collaboration skills with engineers, product management, and UX designers.
• Product sense with ability to back opinions with data and user evidence.
• Deep mobile engineering expertise across app release cycles, test automation, on-device performance, and platform UX conventions.

• Build and improve cart, checkout, and wallet flows in React Native apps from problem definition to production and measurement.
• Run experiments on high-traffic, revenue-critical surfaces and use results to decide on next steps.
• Collaborate with engineers across the department and company to continuously improve code base, systems, and processes.
• Design and develop scalable solutions.
• Support other team members through workshops, pair programming, and code reviews.
• Work beyond specialization when the problem demands.
• Instrument, monitor, and improve systems in production.
• Contribute to the app experience, owning metrics that reflect quality such as retention, crash-free sessions, and conversion.